EP3559015A1 - Peptides therapeutiques - Google Patents
Peptides therapeutiquesInfo
- Publication number
- EP3559015A1 EP3559015A1 EP17837968.1A EP17837968A EP3559015A1 EP 3559015 A1 EP3559015 A1 EP 3559015A1 EP 17837968 A EP17837968 A EP 17837968A EP 3559015 A1 EP3559015 A1 EP 3559015A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mipep
- mir
- fragment
- seq
- peptide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- A61K38/1703—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates
- A61K38/1709—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/46—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates
- C07K14/47—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P11/00—Drugs for disorders of the respiratory system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P19/00—Drugs for skeletal disorders
- A61P19/08—Drugs for skeletal disorders for bone diseases, e.g. rachitism, Paget's disease
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/14—Antivirals for RNA viruses
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K7/00—Peptides having 5 to 20 amino acids in a fully defined sequence; Derivatives thereof
- C07K7/04—Linear peptides containing only normal peptide links
- C07K7/06—Linear peptides containing only normal peptide links having 5 to 11 amino acids
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K7/00—Peptides having 5 to 20 amino acids in a fully defined sequence; Derivatives thereof
- C07K7/04—Linear peptides containing only normal peptide links
- C07K7/08—Linear peptides containing only normal peptide links having 12 to 20 amino acids
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
- C12N15/09—Recombinant DNA-technology
- C12N15/11—DNA or RNA fragments; Modified forms thereof; Non-coding nucleic acids having a biological activity
- C12N15/113—Non-coding nucleic acids modulating the expression of genes, e.g. antisense oligonucleotides; Antisense DNA or RNA; Triplex- forming oligonucleotides; Catalytic nucleic acids, e.g. ribozymes; Nucleic acids used in co-suppression or gene silencing
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N5/00—Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
- C12N5/06—Animal cells or tissues; Human cells or tissues
- C12N5/0602—Vertebrate cells
- C12N5/0652—Cells of skeletal and connective tissues; Mesenchyme
- C12N5/0662—Stem cells
- C12N5/0663—Bone marrow mesenchymal stem cells (BM-MSC)
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/68—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
- C12Q1/6876—Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes
- C12Q1/6883—Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes for diseases caused by alterations of genetic material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2319/00—Fusion polypeptide
- C07K2319/01—Fusion polypeptide containing a localisation/targetting motif
- C07K2319/10—Fusion polypeptide containing a localisation/targetting motif containing a tag for extracellular membrane crossing, e.g. TAT or VP22
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N2310/00—Structure or type of the nucleic acid
- C12N2310/10—Type of nucleic acid
- C12N2310/14—Type of nucleic acid interfering nucleic acids [NA]
- C12N2310/141—MicroRNAs, miRNAs
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N2501/00—Active agents used in cell culture processes, e.g. differentation
- C12N2501/65—MicroRNA
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q2600/00—Oligonucleotides characterized by their use
- C12Q2600/178—Oligonucleotides characterized by their use miRNA, siRNA or ncRNA
Definitions
- MicroRNAs are small non-coding RNAs, about 21 nucleotides after processing, which control the expression of target genes at the post-transcriptional level, by degrading the target mRNA or by inhibiting its translation, in organisms eukaryotes.
- the miRs can in particular regulate the expression of specific genes involved in certain pathologies in humans and animals. It is now recognized that miRs play an important role in many pathologies, and these are therefore attractive targets for the development of new drugs.
- the regulation of the expression of miRs is very little known, but it is known in particular that it involves, like most coding genes, an RNA polymerase II: this enzyme produces a primary transcript, called “pri "miR”, which is then matured with a protein complex containing especially Dicer type enzymes.
- This maturation leads firstly to the formation of a miR precursor called “pre-miR", having a secondary stem-loop structure containing the miR and its complementary miR * sequence.
- the precursor is then matured resulting in the formation of a shorter double-stranded RNA containing miR and miR *.
- the miR is then supported by the RISC complex which cleaves the mRNA of the target gene or inhibits its translation.
- the first approach is to mimic the effect of miR using synthetic RN duplexes designed to mimic the miR of interest.
- One strand is identical to the miR of interest, while the other strand can be modified to facilitate cellular uptake of the molecule.
- the allowed modifications are chemically limited.
- this approach allows for the replacement of the amounts of miRs lost during a pathology, it is difficult to target the RNA molecules to specific tissues, and the tissues that do not normally express the miR of interest. can also capture the synthetic RNA duplex and lead to undesirable side effects.
- the second approach is to use antisense oligonucleotides.
- antisense oligonucleotides have a sequence complementary to all or part of that target miR and will reduce the endogenous amount of miRs.
- their manipulation is made difficult and expensive.
- ORFs small open reading frames
- micropeptides or "miPEPs", microKNA encoded PEPtides
- miPEPs micropeptides
- microKNA encoded PEPtides capable of modulating the accumulation of miRs in cells
- Another aspect of the invention relates to these micropeptides for their use as medicaments, and for the treatment of specific pathologies.
- Another aspect of the invention relates to a method of identifying micropeptides for modulating the accumulation of miRs involved in pathologies.
- a subject of the invention is a pharmaceutical composition comprising:
- miPEP of 3 to 500 amino acids encoded by a nucleotide sequence contained in the primary transcript of a miR, or a fragment of said miPEP, said miPEP being capable of modulating the accumulation of said miR in a eukaryotic cell, and
- microRNA non-coding microRNA
- miR miRNA receptor
- microRNAs function to regulate certain genes via post-transcriptional mechanisms, for example via the RISC complex.
- the primary transcript of the microRNA or "pri-miR” corresponds to the RNA molecule directly obtained from the transcription of the DNA molecule. Generally, this primary transcript undergoes one or more post-transcriptional modifications, which result, for example, in a particular structure of the RNA or a cleavage of certain parts of RNA, and which lead to the precursor form of the microRNA or "pre-miR", then to the mature form of the microRNA or "miR".
- micropeptides and “miPEPs” (microRNA encoded PEPtides) are equivalent and may be used interchangeably. They define a peptide which is encoded by an open reading frame present on the primary transcript of a microRNA, and which is capable of modulating the accumulation of said microRNA. Micropeptides within the meaning of the present invention should not be understood as necessarily being small peptides, since "micro” does not correspond to the size of the peptide.
- a miPEP can also be assimilated to a transcription modulator, and in particular a transcriptional activator.
- a transcription modulator may act at the transcriptional level to modulate the accumulation of pri-miR, pre-miR and miR.
- the same micropeptide can be encoded by several nucleotide sequences. Such nucleotide sequences, different from one another at least one nucleotide but coding the same peptide, are called "degenerate sequences".
- open reading frame or "ORF” are equivalent and can be used interchangeably. They correspond to a nucleotide sequence in a DNA or RNA molecule that can potentially encode a peptide or a protein: said open reading frame starts with a start codon (the start codon generally coding for a methionine), followed by a codon series (each codon encoding an amino acid), and ends with a stop codon (the stop codon is not translated).
- the ORFs may be specifically called "miORFs" when these are present on the primary microRNA transcripts.
- the miORFs may be contained in the 5 'or 3' portion of said primary microAR transcript, preferably in the 5 'portion.
- the 5 'or 3' portions of the primary microRNA transcript correspond to the terminal portions of the RNA molecule that are cleaved during microRNA processing.
- the miORFs as defined in the invention in particular can range in size from 12 to 1503 nucleotides and encode peptides of 3 to 500 amino acids.
- miORFs encode miPEPs with a size of:
- the miPEPs may especially have a size of 100 to 500 amino acids, 101 to 500 amino acids, 200 to 500 amino acids, 300 to 500 amino acids, or 400 to 500 amino acids.
- a "miPEP fragment” corresponds to an N-terminal part, a C-terminal part or an internal part of the sequence of a miPEP.
- a "miPEP fragment” corresponds to a part of a miPEP containing the first N-terminal amino acid, to a part of the miPEP containing the last C-terminal amino acid or to a part containing neither the first N-terminal amino acid or the last C-terminal amino acid.
- a miPEP fragment has a size of 2 to 20 amino acids, preferably 5 to 10 amino acids.
- a miPEP fragment has a size of 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 or 20 amino acids .
- a miPEP fragment has a size of 10 amino acids and corresponds to the N-terminal portion of a miPEP.
- miPEP // a fragment of miPEP may be referred to as "miPEP //".
- accumulation is meant the production of a molecule, such as a microRNA or a micropeptide, in the cell.
- microRNA or a micropeptide can be determined using assay methods known to those skilled in the art, such as for example by RT-qPCR or by the quantification of the fluorescence due to the fusion of a peptide or protein to a fluorescent marker.
- the "modulation" of the accumulation of a molecule in a cell corresponds to a modification of the quantity of this molecule present in the cell.
- the effect of a miPEP can be observed via the modulation of the accumulation of miR, but also through the modulation of the accumulation of pri-miR or the corresponding pre-miR.
- the invention relates to a composition as defined above, wherein the modulation of the accumulation of said microRNA is a decrease or increase in the accumulation of said microRNA, in particular an increase.
- a “decrease in accumulation” corresponds to a decrease in the amount of said molecule in the cell relative to a control cell. Conversely, an “increase in accumulation” corresponds to an increase in the amount of said molecule in the cell relative to a control cell.
- a miPEP is capable of modulating the accumulation of pri-miR, pre-miR and miR. Therefore, if a primary transcript contains more than one miRs, a same miPEP encoded by said primary transcript is capable of modulating the accumulation of at least one of the miRs present on the primary transcript.
- the invention relates to a pharmaceutical composition
- a pharmaceutical composition comprising:
- miPEP of 3 to 500 amino acids encoded by a nucleotide sequence contained in the primary transcript of a miR, or a fragment of said miPEP, said miPEP being capable of modulating the accumulation of said miR in a eukaryotic cell, which miR regulates expression of at least one gene involved in a pathology,
- said pharmaceutical composition comprises at least one miPEP but may also comprise a mixture of several miPEPs.
- said pharmaceutical composition may for example comprise 2, 3, 4, 5, 6, 7, 8, 9 or 10 miPEPs.
- the invention relates to a pharmaceutical composition as defined above, wherein said miPEP is selected from the group of miPEPs consisting of SEQ ID NO: 2q-1, q varying from 1 to 5,875.
- the invention relates to a pharmaceutical composition as defined above, wherein said miPEP is selected from the group of miPEPs consisting of:
- miPEP 145-2 (MVGLNPPLWQETGEYT, SEQ ID NO: 11,745)
- the invention relates to a pharmaceutical composition as defined above, wherein said miPEP fragment is a 145-2 miPEP fragment, preferably consisting of SEQ ID NO: 11 751 (MVGLNPPLWQ). In a particular embodiment, the invention relates to a pharmaceutical composition as defined above, wherein said miPEP fragment is miPEP // 145-2 consisting of SEQ ID NO: 11 751 (MVGLNPPLWQ).
- the invention relates to a pharmaceutical composition as defined above, wherein said miPEP fragment is a fragment of 125a-1 miPEP, preferably consisting of SEQ ID NO: 11,752 (MSLCLSPSLT).
- the invention relates to a pharmaceutical composition as defined above, wherein said miPEP fragment is miPEP // 125a-1 consisting of SEQ ID NO: 11,752 (MSLCLSPSLT).
- the invention relates to a pharmaceutical composition as defined above, wherein said miPEP fragment is a fragment of miPEP 15a- 16-1, preferably consisting of SEQ ID NO: 11 753 (MFKHRFF YMH).
- the invention relates to a pharmaceutical composition as defined above, wherein said miPEP fragment is miPEP // 15a-16-1 consisting of SEQ ID NO: 11 753 (MFKHRFF YMH).
- the pharmaceutical compositions comprising miPEPs are in the form of a unit dose comprising from 10 " M to 10 " 10 M of miPEP.
- compositions according to the invention can be administered in one or more times.
- the pharmaceutical compositions are suitable for oral, ocular, nasal, parenteral (intravenous, intraarterial, subcutaneous, intradermal, intramuscular), rectal, vaginal, topical or auricular administration.
- the miPEP can be vectorized or encapsulated.
- the miPEP, or the fragment of said miPEP may be fused or linked to one or more molecules facilitating the entry of the miPEP, or miPEP fragment, into the cell.
- the invention relates to a pharmaceutical composition as defined above, in which the miPEP, or the fragment of said miPEP, is fused to a peptide facilitating the entry into the cell of the miPEP, or fragment of miPEP.
- the invention relates to a pharmaceutical composition as defined above, wherein the miPEP, or the fragment of said miPEP, is fused with the TAT peptide (YGRKKRRQRRR, SEQ ID NO: 11,754).
- the invention relates to a pharmaceutical composition as defined above, in which the miPEP, or the fragment of said miPEP, is fused to N-ter or C-ter with the TAT peptide (YGRKKRRQRRR, SEQ ID NO: 11,754).
- the invention relates to a pharmaceutical composition as defined above, wherein said miPEP fragment is chosen from:
- miPEP // 145-2-TAT consisting of SEQ ID NO: 11 755 (MVGLNPPLWQ-YGRKKRRQRRR), miPEP // 125a-1-TAT consisting of SEQ ID NO: 11,756 (MSLCLSPSLT-YGRKKRRQRRR), and
- miPEP // 15a-16-l-TAT consisting of SEQ ID NO: 11757 (MFKHRFFYMH-YGRKXRRQRRR).
- the invention relates to a pharmaceutical composition as defined above, in which the miPEP, or the fragment of said miPEP, is fused with penetratin to a polyhistidine peptide (in particular a peptide of at least 6 residues). histidine) or to a polyarginine peptide (in particular a 9-residue arginine peptide).
- a polyhistidine peptide in particular a peptide of at least 6 residues). histidine
- a polyarginine peptide in particular a 9-residue arginine peptide
- the invention relates to a pharmaceutical composition as defined above, in which the miPEP, or the fragment of said miPEP, is linked to one or more palmitic acid molecules.
- the amount of miPEP present in the composition or used for the treatment of a pathology may vary depending on whether or not the miPEP is modified with a molecule facilitating cell penetration.
- the subject of the invention is a miPEP of 3 to 500 amino acids encoded by a nucleotide sequence contained in the primary transcript of a miR, or a fragment of said miPEP, said miPEP being capable of modulating the accumulation of said miR in a eukaryotic cell, for use as a medicine.
- the invention relates to a miPEP of 3 to 500 amino acids encoded by a nucleotide sequence contained in the primary transcript of a miR, or a fragment of said miPEP, said miPEP being capable of modulating the accumulation of said miR in a eukaryotic cell, which miR regulates the expression of at least one gene involved in a pathology, for its use as a drug.
- a gene is involved in a pathology if the expression of said gene varies significantly between a patient suffering from said pathology and a healthy individual.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said miPEP being identified, or as identified, by the implementation of a method identification of a miPEP modulating the accumulation of a miR involved in a pathology, comprising:
- a modulation of the accumulation of said miR in the presence of said peptide with respect to the accumulation of said miR in the absence of said peptide indicates the existence of a miPEP, the latter being coded by said open frame reading and being able to modulate the accumulation of said miR involved in a pathology.
- a miR is involved in a pathology if said miR is capable of regulating the expression of a gene involved in said pathology and / or of reducing the symptoms of said pathology.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said miPEP being encoded by a nucleotide sequence contained in the primary transcript of a miR chosen from those presented in Tables 2, 3, 4, 5 and 6.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said miPEP being encoded by a nucleotide sequence contained in the primary transcript of a miR chosen from group consisting of:
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said miPEP being encoded by a nucleotide sequence contained in the primary transcript of a miR chosen from group consisting of: hsa-mir-125a, hsa-mir-15a-16-l and hsa-mirl45.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said miPEP being selected from the group of miPEPs consisting of SEQ ID NO: 2q-1, q ranging from 1 to 5,875.
- the invention relates to a miPEP for its use as defined above, said miPEP being selected from the group of miPEPs consisting of: miPEP 145-2 (SEQ ID NO: 11 745), the miPEP 125a-1 (SEQ ID NO: 11,747) and miPEP 15a-16-1 (SEQ ID NO: 11,749).
- the invention relates to a miPEP fragment, for its use as defined above, said miPEP fragment being a 145-2 miPEP fragment, preferably consisting of SEQ ID NO: 11 751.
- the invention relates to a miPEP fragment for its use as defined above, said miPEP fragment being miPEP // 145-2 consisting of SEQ ID NO: 11 751.
- the invention relates to a miPEP fragment, for its use as defined above, said miPEP fragment being a fragment of the 125a-1 miPEP, preferably consisting of SEQ ID NO: 11 752.
- the invention relates to a miPEP fragment, for its use as defined above, said miPEP fragment being miPEP // 125a-1 consisting of SEQ ID NO: 11 752.
- the invention relates to a miPEP fragment, for its use as defined above, said miPEP fragment being a fragment of miPEP 15a- 16-1, preferably consisting of SEQ ID NO: 11 753.
- the invention relates to a miPEP fragment, for its use as defined above, said miPEP fragment being miPEP // 15a-16-l consisting of SEQ ID NO: 11 753 .
- the invention relates to a miPEP, or a fragment of said miPEP for its use as defined above, the miPEP, or the fragment of said miPEP, being fused to the TAT peptide.
- the invention relates to a miPEP fragment for its use as defined above, said miPEP fragment being chosen from:
- miPEP // 145-2-TAT consisting of SEQ ID NO: 11 755 (MVGLNPPLWQ-YGRKKRRQRRR),
- miPEP // 125a-1-TAT consisting of SEQ ID NO: 11,756 (MSLCLSPSLT-YGRKKR QR R), and
- miPEP // 15a-16-l-TAT consisting of SEQ ID NO: 11,757 (MFKHRFFYMH-YGRKKRRQRRR).
- the invention relates to a miPEP, or a fragment of said miPEP for its use as defined above, the miPEP, or the fragment of said miPEP, being fused to penetratin, to a polyhistidine peptide (in particular a peptide of at least 6 histidine residues) or a polyarginine peptide (in particular a 9-residue arginine peptide).
- a polyhistidine peptide in particular a peptide of at least 6 histidine residues
- a polyarginine peptide in particular a 9-residue arginine peptide
- the invention relates to a miPEP, or a fragment of said miPEP for its use as defined above, the miPEP, or the fragment of said miPEP, being linked to one or more palmitic acid molecules.
- Another aspect of the invention relates to a miPEP of 3 to 500 amino acids encoded by a nucleotide sequence contained in the primary transcript of a miR, or a fragment of said miPEP, said miPEP being capable of modulating the accumulation of said miR in a cell eukaryote, for its use in the treatment of a pathology chosen from: cancer, bacterial infections, mycoses, cardiovascular diseases, hereditary congenital diseases, skin diseases, eye diseases, diseases of the digestive system , diseases of the endocrine system, diseases of the nervous system, diseases related to viruses, diseases related to nutrition and metabolism, lymphatic diseases and hemopathies, neonatal and hereditary diseases, respiratory diseases, urogenital diseases in human, urogenital diseases in women, disorders of the immune system, musculoskeletal disorders, diseases or trauma of bone tissue or cartilaginous tissue.
- a pathology chosen from: cancer, bacterial infections, mycoses, cardiovascular diseases, hereditary congenital diseases, skin diseases, eye diseases, diseases of
- the subject of the invention is a miPEP of 3 to 500 amino acids encoded by a nucleotide sequence contained in the primary transcript of a miR, or a fragment of said miPEP, said miPEP being capable of modulating the accumulation of said miR in a eukaryotic cell, for use in the treatment of disease or trauma to bone tissue or cartilage tissue.
- bone tissue disease refers to any disease reducing bone capital, such as osteoporosis.
- bone tissue trauma refers to a break in continuity or fracture of a bone.
- the invention relates to a miPEP of 3 to 500 amino acids encoded by a nucleotide sequence contained in the primary transcript of a miR, or a fragment of said miPEP, said miPEP being capable of modulating the accumulation of said miR in a eukaryotic cell, for its use as defined above, which miR regulates the expression of at least one gene involved in said pathology.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said miPEP being identified, or as identified, by the implementation of a method identification of a miPEP modulating the accumulation of a miR involved in a pathology, comprising:
- modulating the accumulation of said miR in the presence of said peptide with respect to the accumulation of said miR in the absence of said peptide indicates the existence of a miPEP, which is encoded by said open reading frame and being able to modulate the accumulation of said miR involved in a pathology.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said miPEP being selected from the group of miPEPs consisting of SEQ ID NO: 2q-1, q ranging from 1 to 5,875.
- the invention relates to a miPEP for its use as defined above, said miPEP being selected from the group of miPEPs consisting of: miPEP 145-2 (SEQ ID NO: 11 745), miPEP 125a-1 (SEQ ID NO: 11,747) and miPEP 15a-16-1 (SEQ ID NO: 11,749).
- the invention relates to a miPEP fragment, for its use as defined above, said miPEP fragment being a 145-2 miPEP fragment, preferably consisting of SEQ ID NO: 11 751 .
- the invention relates to a miPEP fragment for its use as defined above, said miPEP fragment being miPEP // 145-2 consisting of SEQ ID NO: 11 751.
- the invention relates to a miPEP fragment, for its use as defined above, said miPEP fragment being a fragment of 125a-1 miPEP, preferably consisting of SEQ ID NO: 11 752.
- the invention relates to a miPEP fragment, for its use as defined above, said miPEP fragment being the miPEP // 125a-1 consisting of SEQ ID NO: 11,752.
- the invention relates to a miPEP fragment for its use as defined above, said miPEP fragment being a fragment of miPEP 15a- 16-1, preferably consisting of SEQ ID NO: 11 753.
- the invention relates to a miPEP fragment, for its use as defined above, said miPEP fragment being miPEP // 15a-16-1 consisting of SEQ ID NO: 11 753.
- the invention relates to a miPEP, or a fragment of said miPEP for its use as defined above, the miPEP, or the fragment of said miPEP, being fused to the TAT peptide.
- the invention relates to a miPEP fragment for its use as defined above, said miPEP fragment being chosen from:
- miPEP // 145-2-TAT consisting of SEQ ID NO: 11 755 (MVGLNPPLWQ-YGRKKPvRQRRR),
- miPEP // 125a-1-TAT consisting of SEQ ID NO: 11,756 (MSLCLSPSLT-YGRKKRRQRRR), and
- miPEP // 15a-16-l-TAT consisting of SEQ ID NO: 11,757 (MFKHRFFYMH-YGRKK RQRRR).
- the invention relates to a miPEP, or a fragment of said miPEP for its use as defined above, the miPEP, or the fragment of said miPEP, being fused to penetratin, to a polyhistidine peptide (in particular a peptide of at least 6 histidine residues) or a polyarginine peptide (in particular a 9-residue arginine peptide).
- a polyhistidine peptide in particular a peptide of at least 6 histidine residues
- a polyarginine peptide in particular a 9-residue arginine peptide
- the invention relates to a miPEP, or a fragment of said miPEP for its use as defined above, the miPEP, or the fragment of said miPEP, being linked to one or more palmitic acid molecules.
- Tables 2 to 6 present the different miRs and the pathologies in which they are involved.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being a cancer, said miPEP being encoded by a nucleotide sequence contained in the primary transcript of the invention. a miR selected from the cancer-related miRs in Table 2, particularly among the cancer-related miRs in Table 5.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being a bacterial infection or mycosis, said miPEP being encoded by a nucleotide sequence contained in the primary transcript of a miR selected from the miRs related to bacterial infections and mycoses in Table 2, in particular among miRs related to bacterial infections and mycoses in Table 5.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being a cardiovascular disease, said miPEP being encoded by a nucleotide sequence contained in the primary transcript of a miR selected from the miRs related to cardiovascular diseases in Table 2, particularly among miRs related to cardiovascular diseases in Table 5.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being a hereditary congenital disease, said miPEP being encoded by a nucleotide sequence contained in the transcript. of a miR selected from miRs related to hereditary congenital diseases in Table 2, in particular among miRs related to hereditary congenital diseases in Table 5.
- the invention relates to a miPEP, or a fragment of said miPEP for its use as defined above, said pathology being a disease of the skin, said miPEP being encoded by a nucleotide sequence contained in the primary transcript of a miR selected from miRs related to skin diseases in Table 2, particularly among miRs related to skin diseases in Table 5.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being an eye disease, said miPEP being encoded by a nucleotide sequence contained in the transcript of a miR selected from the miRs related to eye diseases in Table 2, particularly among miRs related to eye diseases in Table 5.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being a disease of the digestive system, said miPEP being encoded by a nucleotide sequence contained in the invention.
- primary transcript of a miR selected from the miRs related to diseases of the digestive system in Table 3, in particular among miRs related to diseases of the digestive system in Table 5.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being a disease of the endocrine system, said miPEP being encoded by a nucleotide sequence contained in the invention.
- primary transcript of a miR selected from miRs related to endocrine diseases in Table 3, in particular among miRs related to endocrine diseases in Table 6.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being a disease of the nervous system, said miPEP being encoded by a nucleotide sequence contained in the invention.
- Primary transcript of a miR selected from miRs related to nervous system diseases in Table 3, particularly among miRs related to nervous system diseases in Table 6.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being a disease linked to a virus, said miPEP being encoded by a nucleotide sequence contained in the primary transcript of a miR selected from miRs related to virus-related diseases in Table 3, particularly among the miRs related to virus-related diseases in Table 6.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being a disease related to nutrition and metabolism, said miPEP being encoded by a sequence nucleotide contained in the primary transcript of a miR selected from miRs related to nutrition and metabolism disorders in Table 3, in particular among miRs related to disorders of nutrtion and metabolism in Table 6.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being a lymphatic disease or a hematopathy, said miPEP being encoded by a nucleotide sequence contained in the primary transcript of a miR selected from MIRS related 'to lymphatic diseases or malignancies in table 3, especially among MIRS related to lymphatic diseases or malignancies in table 6.
- the The invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being a neonatal and hereditary disease, said miPEP being encoded by a nucleotide sequence contained in the primary transcript of a miR selected from miRs related to neonatal and hereditary diseases in Table 4, especially among miRs related to neonatal and hereditary diseases Hereditary in Table 6.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being a respiratory disease, said miPEP being encoded by a nucleotide sequence contained in the primary transcript of a miR selected from the miRs related to respiratory diseases in Table 4, particularly among miRs related to respiratory diseases in Table 6.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being a urogenital disease in humans, said miPEP being encoded by a nucleotide sequence contained in the primary transcript of a miR selected from the miRs related to urogenital diseases in humans in Table 4, in particular among the miRs related to urogenital diseases in humans in Table 6.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being a urogenital disease in women, said miPEP being encoded by a nucleotide sequence contained in the primary transcript of a miR selected from the miRs related to urogenital diseases in women in Table 4, in particular among miRs related to urogenital diseases in women in Table 6.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being a disorder of the immune system, said miPEP being encoded by a nucleotide sequence contained in the invention.
- primary transcript of a miR selected from miRs related to disorders of the immune system in Table 4, in particular among the miRs related to disorders of the immune system in Table 6.
- the invention relates to a miPEP , or a fragment of said miPEP, for its use as defined above, said pathology being a musculoskeletal disorder, said miPEP being encoded by a nucleotide sequence contained in the primary transcript of a miR selected from the miRs linked to disorders musculoskeletal in Table 4, particularly among miRs related to musculoskeletal disorders in Table 6.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being a disorder of metabolism, said miR being chosen from hsa-miR-103- 1, hsa-miR-103-2 and hsa-mir-107, said miPEP being preferably selected from SEQ ID NO: 73, 75, 77, 79, 81, 83, 85, 87, 2547, 2549, 2551, 2553, 3921, 3923, 3925 and 3927.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being an infection with the hepatitis C virus, said miR being the hsa- miR-122, said miPEP being preferably selected from SEQ ID NO: 97, 99, 101, 103, 2561, 2563, 2565 and 2567.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being a disease inflammatory, said miR being hsa-miR-155, said miPEP being preferably selected from SEQ ID NOS: 4433, 4435, 4437, 4439, 4441, 4443, 4445, 4447, 8377, 8379, 8381 and 8383.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being a fibrosis, said miR being hsa-miR-21, said miPEP being preferably selected from SEQ ID NOs: 497, 499, 501, 503, 2793, 2795, 2797, 2799, 3425, 3427, 3429, 3431, 4937, 4939, 4941, 4943, 8545, 8547, 8549, 8551, 10801 , 10803, 10805 and 10807.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being atherosclerosis said miR being hsa-miR-33, said miPEP being preferably selected from SEQ ID NOS: 5609, 5611, 5613, 5615, 8673, 8675, 8677 and 8679.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being a cardiovascular disease, said miR being selected from hsa-miR-15a and the has-miR-15b, said miPEP being preferably chosen from SEQ ID NO: 4449, 4451, 4453, 4455, 4457, 4459, 4461, 4463, 4465, 4467, 4469 and 4471.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being a myeloproliferative disease, said miR being hsa-miR-451, said miPEP being preferably selected from SEQ ID NOS: 1017, 1019, 1021, 1023, 3609, 3611, 3613, 3615, 6113, 6115, 6117 and 6119.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being linked to neoangiogenesis, said miR being chosen from hsa-mir-92a.
- miPEP being preferably selected from SEQ ID NOS: 1777, 1779, 1781, 1783, 1785, 1787, 1789, 1791, 8033, 8035, 8037, 8039, 8041, 8043, 8045, 8047, 8049, 8051, 8053, 8055, 9225, 9227, 9229, 9231, 9233, 9235, 9237, 9239, 9241, 9243, 9245, 9247, 10345, 10347, 10349, 10351, 10353, 10355, 10357, 10359, 10361, 10363, 10365, 10367, 11489, 11491, 11493, 11495, 11497, 11499, 11501, 11503, 11505, 11507, 11509 and 11511.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being a cardiac disorder, said miR being chosen from among the hsa-mir-208 and the hsa-mir-208b, said miPEP being preferably selected from SEQ ID NOs: 4889, 4891, 4893, 4895, 4897, 4899, 4901, 4903, 4905, 4907, 4909, 4911, 4913, 4915, 4917 and 4919 .
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being a pulmonary fibrosis, said miR being hsa-mir-208, said miPEP being preferably selected from SEQ ID NOS: 4889, 4891, 4893, 4895, 4897, 4899, 4901, 4903, 4905, 4905, 4907, 4909, 4911, 4913, 4915, 4917 and 4919.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being a cancer, said miR being hsa-let-7, said miPEP being preferably chosen from SEQ ID NO: 2q-1, q varying from 1 to 28, from 1225 to 1260, from 1561 to 1576, from 1865 to 1916, from 4065 to 4100, from 4645 to 4668, from 5197 to 5228.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being a cardiovascular disease, in particular the ischemia-reperfusion syndrome, said miR being hsa- miR-7, said miPEP being preferably selected from SEQ ID NOs: 3089, 3091, 3093, 3095, 3689, 3691, 3693, 3695, 7881, 7883, 7885, 7887, 7889, 7891, 7893, 7895, 7897, 7899, 7901, 7903, 9209, 9211, 9213, 9215, 11473, 11475, 11477 and 11479.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being an infection with the hepatitis C virus, said miR being the hsa- mir-181c, said miPEP being preferably selected from SEQ ID NOs: 321, 323, 325, 327, 2657, 2659, 2661, 2663, 4537, 4539, 4541, 4543, 8409, 8411, 8413, 8415, 9497 , 9499, 9501 and 9503.
- the invention relates to a miPEP, or a fragment of said miPEP, for its use as defined above, said pathology being a pulmonary fibrosis, said miR being hsa-miR-29, said miPEP being preferably selected from SEQ ID NO: 633, 635, 637, 639, 641, 643, 645, 647, 649, 651, 653, 655, 657, 659, 661, 663, 2905, 2907, 2909, 2911, 2913, 2915, 2917, 2919, 3529, 3531, 3533, 3535, 3537, 3539, 3541, 3543, 5281, 5283, 5285, 5287, 5289, 5291, 5293, 5295, 5297, 5299, 5301, 5303, 5305, 5307, 5309, 5311, 11657, 11659, 11661, 11663, 11665, 11667, 11669 and 11671.
- the invention relates to a miPEP for its use in the treatment of a disease or trauma of bone tissue or cartilage tissue, said miPEP being selected from the group of miPEPs consisting of: miPEP 145-2 (SEQ ID NO: 11,745), miPEP 125a-1 (SEQ ID NO: 11,747) and miPEP 15a-16-.l (SEQ ID NO: 11,749).
- the invention relates to a miPEP fragment for use in treating a disease or trauma to bone tissue or cartilage tissue, said miPEP fragment being a 145-2 miPEP fragment. preferably consisting of SEQ ID NO: 11,751.
- the invention relates to a miPEP fragment for use in treating a disease or trauma to bone tissue or cartilage tissue, wherein said miPEP fragment is miPEP. 2 consisting of SEQ ID NO: 11 751.
- the invention relates to a miPEP fragment for its use in the treatment of a disease or trauma of bone tissue or cartilage tissue, said miPEP fragment being a fragment of 125a-l miPEP preferably consisting of SEQ ID NO: 11,752.
- the invention relates to a miPEP fragment for use in treating a disease or trauma to bone tissue or cartilage tissue, said miPEP fragment being miPEP // 125a-1. consisting of SEQ ID NO: 11 752.
- the invention relates to a miPEP fragment for use in the treatment of disease or trauma to bone tissue or tissue. cartilaginous, said miPEP fragment being a fragment of miPEP a-16-1, preferably consisting of SEQ ID NO: 11 753.
- the invention relates to a miPEP fragment for use in treating a disease or trauma to bone tissue or cartilage tissue, said miPEP fragment being miPEP // 15a-16 consisting of SEQ ID NO: 11,754.
- the invention relates to a miPEP fragment for use in the treatment of a disease or trauma of bone tissue or cartilage tissue, said miPEP fragment being selected from:
- miPEP // 145-2-TAT consisting of SEQ ID NO: 11 755 (MVGLNPPLWQ-YGRKKRRQRRR),
- miPEP // 125a-1-TAT consisting of SEQ ID NO: 11,756 (MSLCLSPSLT-YGRKKRRQRRR), and
- miPEP // 15a-16-l-TAT consisting of SEQ ID NO: 11,757 (MFKHRFFYMH-YGRKKRRQRRR).
- Another aspect of the invention relates to a method for identifying a miPEP, or a fragment of said miPEP, modulating the accumulation of a miR involved in a pathology, said miPEP being encoded by a nucleotide sequence contained in the sequence of the primary transcript of said miR,
- modulation of the accumulation of said miR in the presence of said peptide with respect to the accumulation of said miR in the absence of said peptide indicates the existence of a miPEP, which is encoded by said open reading frame and capable of modulate the accumulation of said miR involved in a pathology.
- Another aspect of the invention also relates to a miPEP of 101 to 500 amino acids, or a fragment of said miPEP, encoded by a nucleotide sequence contained in the primary transcript of a microRNA, said miPEP being able to modulate the accumulation of said micro RNA in a eukaryotic cell.
- a miPEP may have a size of 200 to 500 amino acids, 300 to 500 amino acids or 400 to 500 amino acids,
- a miPEP may have a size of 101, 102, 103, 104, 105, 106, 107, 108, 109,
- the invention relates to a miPEP selected from the group of miPEPs consisting of SEQ ID NO: 2q-1, q varying from 1 to 5,875, or a fragment of said miPEP.
- the invention relates to a miPEP selected from the group of miPEPs consisting of: miPEP 145-2 (SEQ ID NO: 11,745), miPEP 125a-1 (SEQ ID NO: 11,747) and miPEP 15a-16-1 (SEQ ID NO: 11,749).
- the invention relates to a 145-2 miPEP fragment, preferably consisting of SEQ ID NO: 11 751.
- the invention relates to miPEP // 145-2 consisting of SEQ ID NO: 11 751.
- the invention relates to a fragment of 125a-1 miPEP, preferably consisting of SEQ ID NO: 11 752. In a particular embodiment, the invention relates to the MEPPE 125a-1 consisting of SEQ ID NO: 11,752.
- the invention relates to a fragment of miPEP 15a-16-1, preferably consisting of SEQ ID NO: 11753.
- the invention relates to a fragment of miPEP // 15a-16-1 consisting of SEQ ID NO: 11,753.
- the invention relates to a miPEP, or a fragment of said miPEP vectorized or encapsulated.
- the invention relates to a miPEP, or a fragment of said miPEP, fused to a peptide facilitating entry into the miPEP cell, or the miPEP fragment.
- the invention relates to a miPEP, or a fragment of said miPEP, fused with the TAT peptide (YGRKKRRQPvRJR., SEQ ID NO: 11,754).
- the invention relates to a miPEP fragment, said miPEP fragment being chosen from:
- miPEP // 145-2-TAT consisting of SEQ ID NO: 11 755 (MVGLNPPLWQ-YGRKK RQRRR),
- miPEP // 125a-1-TAT consisting of SEQ ID NO: 11,756 (MSLCLSPSLT-YGRKKRRQRR), and
- miPEP // 15a-16-l-TAT consisting of SEQ ID NO: 11,757 (MFKHRFFYMH-YGRKKRRQRRR).
- the invention relates to a miPEP, or a fragment of said miPEP, as defined above, fused to penetratin, to a polyhistidine peptide (in particular a peptide of at least 6 histidine residues) or to a polyarginine peptide (in particular a 9-residue arginine peptide).
- the invention relates to a miPEP, or a fragment of said miPEP, as defined above, linked to one or more palmitic acid molecules.
- the invention in another aspect, relates to a composition comprising a miPEP or a fragment of said miPEP.
- the invention relates to a composition as defined above, wherein said miPEP is selected from the group of miPEPs consisting of SEQ ID NO: 2q-1, q varying from 1 to 5,875.
- the invention relates to a composition as defined above, wherein said miPEP is selected from the group of miPEPs consisting of: miPEP 145-2 (SEQ ID NO: 11 745), miPEP 125a-1 (SEQ ID NO: 11,747) and miPEP 15a-16-1 (SEQ ID NO: 11,749).
- the invention relates to a composition as defined above, wherein said miPEP fragment is a 145-2 miPEP fragment, preferably consisting of SEQ ID NO: 11 751.
- the invention relates to a composition as defined above, wherein said miPEP fragment is miPEP // 145-2 consisting of SEQ ID NO: 11 751.
- the invention relates to a composition as defined above, wherein said miPEP fragment is a fragment of 125a-1 miPEP, preferably consisting of SEQ ID NO: 11 752.
- the invention relates to a composition as defined above, wherein said miPEP fragment is miPEP // 125a-1 consisting of SEQ ID NO: 11 752.
- the invention relates to a composition as defined above, wherein said miPEP fragment is a fragment of miPEP 15a- 16-1, preferably consisting of SEQ ID NO: 11 753.
- the invention relates to a composition as defined above, wherein said miPEP fragment is miPEP // 15a-16-1 consisting of SEQ ID NO: 11 753.
- said miPEP fragment being chosen from:
- miPEP // 145-2-TAT consisting of SEQ ID NO: 11 755 (MVGLNPPLWQ-YGRKKRRQRRR),
- miPEP // 125a-1-TAT consisting of SEQ ID NO: 11,756 (MSLCLSPSLT-YGRK RQRRR), and
- miPEP // 15a-16-l-TAT consisting of SEQ ID NO: 11,757 (MFKHRFFYMH-YGRKKRRQRRR).
- the invention relates to a composition as defined above, wherein said composition additionally contains growth factors and / or cell differentiation factors.
- the invention relates to a composition as defined above, wherein said composition additionally contains BMP4. In a particular embodiment, the invention relates to a composition as defined above, wherein said composition additionally contains cell culture medium. In another aspect, the invention relates to the use in vitro or ex vivo of a miPEP of 3 to 500 amino acids encoded by a nucleotide sequence contained in the primary transcript of a miR, or a fragment of said miPEP, said miPEP being able to modulate the accumulation of said miR in a eukaryotic cell, to promote cell differentiation of cells.
- the invention relates to the in vitro or ex vivo use of a miPEP, or a fragment of said miPEP, to promote cell differentiation of mesenchymal stem cells (also called bone marrow stromal cells). mesenchymal stromal cells).
- the invention relates to the in vitro or ex vivo use of a miPEP, or a fragment of said miPEP, to promote cell differentiation of mesenchymal stem cells into osteoblasts.
- the invention relates to the use as defined above, wherein the cells are cultured in the presence of said miPEP, or a fragment of said miPEP.
- the invention relates to the use as defined above, in which the cells are cultured in the presence of said miPEP, or a fragment of said miPEP, and in the presence of growth factors and / or cell differentiation factors.
- the invention relates to the use as defined above, in which the cells are cultured in the presence of said miPEP, or a fragment of said miPEP, and in the presence of BMP4 (Bone Morphogenetic Protein 4 ).
- the invention relates to the use as defined above, wherein said miPEP is selected from the group of miPEPs consisting of SEQ ID NO: 2q-1, q varying from 1 to 5,875.
- said miPEP is selected from the group of miPEPs consisting of: miPEP 145-2 (SEQ ID NO: 11 745), miPEP 125a-1 (SEQ ID NO: 11,747) and miPEP 15a-16-1 (SEQ ID NO: 11,749).
- the invention relates to the use as defined above, wherein said miPEP fragment is a 145-2 miPEP fragment, preferably consisting of SEQ ID NO: 11,751.
- said miPEP fragment is miPEP // 145-2 consisting of SEQ ID NO: 11 751.
- the invention relates to the use as defined above, wherein said miPEP fragment is a fragment of 125a-1 miPEP, preferably consisting of SEQ ID NO: 11 752.
- the invention relates to the use as defined above, wherein said miPEP fragment is miPEP // 125a-1 consisting of SEQ ID NO: 11 752.
- the invention relates to the use as defined above, wherein said miPEP fragment is a fragment of miPEP 15a-16-1, preferably consisting of SEQ ID NO: 11 753.
- the invention relates to the use as defined above, wherein said miPEP fragment is miPEP // 15a-16-l consisting of SEQ ID NO: 11 753. In a Particular embodiment, the invention relates to the use as defined above, wherein said miPEP fragment is chosen from:
- miPEP // 145-2-TAT consisting of SEQ ID NO: 11,755 (MVGLNPPLWQ-YGRKKRRQR R), miPEP // 125a-1-TAT consisting of SEQ ID NO: 11,756 (MSLCLSPSLT YGRKKRRQRRR), and
- miPEP // 15a-16-l-TAT consisting of SEQ ID NO: 11,757 (MFKHRFFYMH YGRKKRRQRRR).
- the invention relates to the in vitro or ex vivo use of a miPEP, or a fragment of said miPEP, to induce or promote bone formation.
- the invention relates to the in vitro or ex vivo use of a miPEP, or a fragment of said miPEP, to form a mineralized bone matrix.
- the invention relates to the use in vitro or ex vivo of a miPEP, or a fragment of said miPEP, to promote bone formation with the aid of a bone biomaterial.
- the invention relates to the use as defined above, wherein mesenchymal stem cells are cultured in the presence of said miPEP, or a fragment of said miPEP.
- the invention relates to the use as defined above, in which the mesenchymal stem cells are cultured in the presence of said miPEP, or of a fragment of said miPEP, and in the presence of growth factors and / or cell differentiation factors.
- the invention relates to the use as defined above, wherein the mesenchymal stem cells are cultured in the presence of said miPEP, or a fragment of said miPEP, and in the presence of BMP4.
- the invention relates to the use as defined above, wherein said miPEP is selected from the group of miPEPs consisting of SEQ ID NO: 2q-1, q varying from 1 to 5,875.
- the invention relates to the use as defined above, wherein said miPEP is selected from the group of miPEPs consisting of: miPEP 145-2 (SEQ ID NO: 11,745), miPEP 125a-1 (SEQ ID NO: 11,747) and miPEP 15a-16-1 (SEQ ID NO: 11,749).
- the invention relates to the use as defined above, wherein said miPEP fragment is a 145-2 miPEP fragment, preferably consisting of SEQ ID NO: 11 751.
- the invention relates to the use as defined above, wherein said miPEP fragment is miPEP // 145-2 consisting of SEQ ID NO: 11 751.
- the invention relates to the use as defined above, wherein said miPEP fragment is a fragment of 125a-1 miPEP, preferably consisting of SEQ ID NO: 11 752.
- the invention relates to the use as defined above, wherein said miPEP fragment is miPEP // 125a-1 consisting of SEQ ID NO: 11 752. In a particular embodiment the invention relates to the use as defined above, wherein said miPEP fragment is a fragment of miPEP 15a- 16-1, preferably consisting of SEQ ID NO: 11 753.
- the invention relates to the use as defined above, wherein said miPEP fragment is miPEP // 15a-16-1 consisting of SEQ ID NO: 11 753.
- the invention relates to the use as defined above, wherein said miPEP fragment is chosen from:
- miPEP // 145-2-TAT consisting of SEQ ID NO: 11,755 (MVGLNPPLWQ-YGRK R QRRR),
- miPEP // 125a-1-TAT consisting of SEQ ID NO: 11,756 (MSLCLSPSLT-YGRKK RQPvRR), and
- miPEP // 15a-16-l-TAT consisting of SEQ ID NO: 11 757 (MFKHRPFYMH- YGRKKRRQRRR).
- the invention relates to the in vivo use of a miPEP, or a fragment of said miPEP, to induce or promote bone formation.
- the invention relates to the in vivo use of a miPEP, or a fragment of said miPEP, to form a mineralized bone matrix.
- the invention relates to the in vivo use of a miPEP, or a fragment of said miPEP, to promote bone formation with the aid of a bone biomaterial.
- nucleic acid encoding a miPEP as defined above, or a fragment of said miPEP.
- the invention relates to a nucleic acid as defined above, said nucleic acid being selected from the group consisting of SEQ ID NO: 2q, q varying from 1 to 5,875.
- the invention relates to an antibody specifically recognizing a miPEP selected from the group consisting of SEQ ID NO: 2q-1, q ranging from 1 to 5,875, or a fragment of said miPEP.
- Such an antibody can be obtained from a method known to those skilled in the art, such as for example by injecting said miPEP with a non-human animal to trigger an immunization reaction and the production of antibodies by said animal.
- the invention relates to an antibody specifically recognizing a miPEP, or fragment thereof, for use as a medicament.
- the invention relates to an antibody specifically recognizing a miPEP selected from the group consisting of SEQ ID NO: 2q-1, q varying from 1 to 5,875, or a fragment of said miPEP, for use as a medicament .
- the invention relates to the use of an antibody specifically recognizing a miPEP, or a fragment of said miPEP, for immunostaining said miPEP or a fragment of said miPEP.
- the invention relates to the use of an antibody as defined above, wherein said antibody specifically recognizes a miPEP selected from the group consisting of SEQ ID NO: 2q-1, q varying from 1 to 5,875, or a fragment of said miPEP.
- a miPEP selected from the group consisting of SEQ ID NO: 2q-1, q varying from 1 to 5,875, or a fragment of said miPEP.
- the subject of the invention is a miPEP of 3 to 500 amino acids, encoded by a nucleotide sequence contained in the primary transcript of a miR, or a fragment of said miPEP, said miPEP being capable of modulating accumulation. said miR in a eukaryotic cell,
- a miR being selected from the group consisting of: let-7b, let-7g, miR-15a, miR16-1, miR106a , miRlOa, miRlOb, miR1246, miR125a-l, miR132, miR134, miR142, miR145, miR145-2, miR146a, miR150, miR155, miR181c, miR182, miR183, miR184, miR18b, miR192, miR195, miR200a, miR202, miR203, miR205 , miR206, miR20b, miR21, miR210, miR27a, miR29a, miR29c, miR30b, miR345, miR377, miR409, miR495, miR520h, miR542, miR572, miR648, miR96 and miR99b;
- miR15a preferably from the group consisting of: miR15a, miR16-l, miR125a-1 and
- the subject of the invention is a miPEP as described above having in particular a size of from 3 to 50 amino acids, from 50 to 100 amino acids, from 100 to 500 amino acids, from 101 to 500 acids. amino, 200 to 500 amino acids, 300 to 500 amino acids, 400 to 500 amino acids, 100 to 200 amino acids, 200 to 300 amino acids or 300 to 400 amino acids.
- the subject of the invention is a miPEP, or fragment of said miPEP, for its use as defined above, said miPEP being identified, or as identified, by the implementation of a method identification of a miPEP modulating the accumulation of a miR involved in a musculoskeletal disorder, or a disease or trauma bone tissue or cartilage tissue, comprising:
- the subject of the invention is a miPEP, or fragment of said miPEP, for its use as defined above, said miPEP being chosen from the group of miPEPs consisting of: SEQ ID NO: 2q-1,
- the subject of the invention is a miPEP, or fragment of said miPEP for its use as defined above for its use in the treatment of one or more musculoskeletal disorders, or diseases or traumas of the patient.
- bone tissue or cartilaginous tissue selected from the group consisting of:
- osteoarthritis deforming osteochondritis of the hip, osteochondritis dissecans, osteo
- the invention miPEP, or fragment of said miPEP for its use as defined above, said miPEP being selected from the group of miPEPs consisting of: SEQ ID NO: 2q-1,
- 2061 to 2064 from 2073 to 2076, from 2117 to 2120, from 2129 to 2140, from 2185 to 2188, from 2217 to 2244, from 2269 to 2288, from 2317 to 2320, from 2337 to 2340, from 2361 to 2364, from 2413 to 2416, from 2425 to 2432, from 2437 to 2444, from 2465 to 2476, from 2609 to 2612, from 2641 to 2644, from 2653 to 2656, from 2689 to 2692, from 2825 to 2828, from 2949 to 2952, 2977 to 2980, from 3141 to 3144, from 3317 to 3320, from 3373 to 3376, from 3517 to 3520, from 3861 to 3868, from 4041 to 4044, from 4061 to
- 4064 to 4096 from 4113 to 4116, from 4121 to 4128, from 4157 to 4164, from 4189 to 4192, from 4205 to 4208, from 4225 to 4228, from 4242 to 4245, from 4269 to 4276, from 4309 to to 4312, from 4341 to 4344, from 4421 to 4424, from 4637 to 4640, from 4661 to 4664, from 4677 to 4680, from 4685 to 4692, from 4705 to 4708, from 4749 to 4752, from 4757 to 4764, from 4777 at 4780, from 4793 to 4796, from 4813 to 4816, from 4825 to 4828, from 4833 to 4840, from 4898 to 4901, from 4985 to 4988, from 5157 to 5160,
- the subject of the invention is a miPEP fragment for its use as defined above, said miPEP fragment being chosen from:
- miPEP // 145-2 consisting of SEQ ID NO: 11,751,
- MiPEP // 125a-1 consisting of SEQ ID NO: 11,752,
- miPEP // 15a-16-l consisting of SEQ ID NO: 11,753.
- the invention relates to a miPEP, or fragment of said miPEP, for its use as defined above, said miPEP, or the fragment of said miPEP, being fused or bound to one or more molecules facilitating the entry of the miPEP or the miPEP fragment into the cell,
- said miPEP or the fragment of said miPEP, preferably being fused to N-ter or C-ter with the TAT peptide (YGRKKRRQRRR, SEQ ID NO: 11,754).
- the invention relates to a miPEP chosen from the group of miPEPs consisting of: SEQ ID NO: 2q-1, q varying from 45 to 48, from 89 to 92, from 101 to 104, from 121 to 124 , from 133 to 140, from 153 to 156, from 161 to 164, from 169 to 192, from 221 to 224, from 233 to 256, from 301 to 304, from 317 to 320, from 329 to 332, from 337 to 340 , from 381 to 384, from 445 to 448, from
- said miPEP, or the fragment of said miPEP being in particular fused with the TAT peptide (YGRKKRRQRRR, SEQ ID NO: 11,754), fused to penetratin, fused to a polyhistidine peptide, fused to a polyarginine peptide, or linked to one or more palmitic acid molecules.
- TAT peptide YGRKKRRQRRR, SEQ ID NO: 11,754
- the subject of the invention is a nucleic acid encoding one of the miPEPs chosen from the group of miPEPs consisting of SEQ ID NO: 2q, q varying from 45 to 48, from 89 to 92, from 101 to 104, from 121 to 124, from 133 to 140, from 153 to 156, from 161 to 164, from 169 to 192, from 221 to 224, from 233 to 256, from 301 to 304, from 317 to 320, from 329 to 332, from 337 to 340, from 5 381 to 384, from 445 to 448, from 469 to 472, from 533 to 536, from 693 to 696, from 789 to 792, from 909 to 916, from 977 to 980, from 1021 to at 1024, from 1237 to 1240, from 1277 to 1280, from 1329 to 1332, from 1337 to 1344, from 1350 to 1353, from 1361 to 1364, from 1374 to
- the invention also relates to a method for identifying a miPEP modulating the accumulation of a miR involved in a musculoskeletal disorder, or a disease or trauma of bone tissue or cartilage tissue, said miPEP being encoded by a nucleotide sequence contained in the sequence of the primary transcript of said miR, comprising:
- modulating the accumulation of said miR in the presence of said peptide with respect to the accumulation of said miR in the absence of said peptide indicates the existence of a miPEP, which is encoded by said open reading frame and being capable of modulating the accumulation of said miR involved in a musculoskeletal disorder, or a disease or trauma of bone tissue or cartilage tissue.
- the subject of the invention is also the use in vitro, in vivo or ex vivo of a miPEP or fragment of said miPEP,
- said miPEP being selected from the group of miPEPs consisting of: SEQ ID NO: 2q-1, q variant
- the invention relates to the use of a miPEP or fragment of said miPEP as defined above, in combination with one or more additives,
- said additives being selected from the group consisting of: cytokines such as bone morphogenetic protein (BMP) and / or dexamethasone.
- cytokines such as bone morphogenetic protein (BMP) and / or dexamethasone.
- the invention relates to a use of a miPEP or fragment of said miPEP as defined above, in association with a biomaterial,
- biomaterial selected from the following table:
- hydroxyapatite [HA] coral Goniopora, - titanium fiber sheets (Ti), ⁇ -tricalcium phosphate [ ⁇ ⁇ ] coral hydroxyapatite, - titanium wire,
- the invention relates to the use of a miPEP or fragment of said miPEP as defined above, in combination with one or more additives, said additives being chosen from the group consisting of: cytokines as well as bone morphogenetic protein (BMP) and / or dexamethasone;
- BMP bone morphogenetic protein
- biomaterial selected from the group shown in Table 1 (see 41-43).
- the invention relates to the use of a miPEP fragment of sequence SEQ ID NO: 11 752 for promoting the osteogenesis of mesenchymal stem cells in association with a biomaterial, said biomaterial being ⁇ ' ⁇ / ⁇ -TCP in a ratio of 20/80.
- Another aspect of the invention is that it relates to osteo-induced cells with one or more miPEP or fragment of said miPEP as defined above, said cells being in particular mesenchymal stem cells.
- Another aspect of the invention is that it relates to cells comprising a nucleic acid encoding one or more of the miPEPs as defined above, the expression of said nucleic acid being inducible or not, said cells being in particular mesenchymal stem cells.
- the invention relates to a composite biomaterial comprising osteoinduced cells as defined above or cells as defined above,
- additives being chosen from the group consisting of: cytokines such as bone morphogenetic proteins (BMP) and / or dexamethasone,
- the subject of the invention is a composite biomaterial comprising mesenchymal stem cells osteo-induced by a miPEP fragment of sequence SEQ ID NO: 11 752, said biomaterial being ⁇ / ⁇ -TCP in a ratio of 20 / 80.
- MiRs involved in diseases of the digestive system diseases of the endocrine system, diseases of the nervous system, diseases related to viruses, diseases related to nutrition and metabolism and lymphatic diseases and hemopathies
- Table 5 The top 10 miRs involved in cancers, bacterial and fungal infections, immune system disorders, cardiovascular diseases, hereditary congenital diseases, skin diseases, musculoskeletal disorders, eye diseases and diseases of the digestive system.
- Table 6 The top 10 miRs involved in diseases of the endocrine system, diseases of the nervous system, diseases related to viruses, diseases related to nutrition and metabolism, lymphatic diseases and hemopathies, neonatal and hereditary diseases, respiratory diseases, urogenital diseases in men, urogenital diseases in women.
- FIG. 1 List indicating the corresponding miPEPs and miORPs, as well as the associated miRs.
- FIG. 2 Expression of the iBSP gene in mesenchymal stem cells cultured in DIF + BMP4 medium in the presence of the miPEP // 125a-1.
- the mesenchymal stem cells were treated for 4 days with 100 ⁇ l of miPEP // 125a-1, with 100 ⁇ l of control peptide (ScmiPEP // 125a) or untreated (NT).
- the y-axis indicates the relative expression of the iBSP gene. Analyzes and statistics were performed with the Mann-Withney test (p-value: * p ⁇ 0.05, ** p ⁇ 0.01 and *** pO.001).
- Figure 3 Expression of the PTHR1 gene in mesenchymal stem cells cultured in DIF + BMP4 medium in the presence of miPEP // 125a-1.
- the mesenchymal stem cells were treated for 4 days with 100 ⁇ l of miPEP // 125a-1, with 100 ⁇ l of control peptide (ScmiPEP // 125a) or untreated (NT).
- the ordinate axis indicates the relative expression of the PTHR1 gene.
- Statistical analyzes were performed with the Mann-Withney test (p-value: * p ⁇ 0.05; ** pO.01 and *** pO.001).
- FIG. 4 Expression of the STMN2 gene in mesenchymal stem cells cultured in DIF + BMP4 medium in the presence of the miPEP // 125a-1.
- the mesenchymal stem cells were treated for 4 days with 100 ⁇ l of miPEP // 125a-1, with 100 ⁇ l of control peptide (ScmiPEP // 125a) or untreated (NT).
- the y-axis indicates the relative expression of the STMN2 gene.
- Statistical analyzes were performed with the Mann-Withney test (p-value: * p ⁇ 0.05, ** p ⁇ 0.01 and *** pO.001).
- Figure 5 Expression of the OSTERIX gene in mesenchymal stem cells cultured in DIF + BMP4 medium in the presence of the miPEP // 125a-1.
- the mesenchymal stem cells were treated for 4 days with 100 ⁇ l of miPEP // 125a-1, with 100 ⁇ l of control peptide (ScmiPEP // 125a) or untreated (NT).
- the y-axis indicates the relative expression of the OSTERIX gene.
- Statistical analyzes were performed with the Mann-Withney test (p-value: * p ⁇ 0.05; ** pO.01 and *** p ⁇ 0.001).
- Figure 6 Expression of the Oak STMN2 in mesenchymal stem cells cultured in the medium PIF + BMP4 in the presence of the miPEP // 145-2.
- the mesenchymal stem cells were treated for 4 days with 100 ⁇ l of miPEP // 145-2, with 100 ⁇ l of control peptide (ScmiPEP // 125a) or untreated (NT).
- the y-axis indicates the relative expression of the STMN2 gene.
- Statistical analyzes were performed with the Mann-Withney test (p-value: * p ⁇ 0.05, ** p ⁇ 0.01 and *** pO.001).
- Figure 7 Expression of the STMN2 Oak in mesenchymal stem cells cultured in the medium PIF A BMP4 in the presence of the miPEP // 125a-1.
- the mesenchymal stem cells were treated for 4 days with 100 ⁇ l of miPEP // 125a-1, with 100 ⁇ l of control peptide (ScmiPEP // 125a) or untreated (NT).
- the y-axis indicates the relative expression of the STMN2 gene.
- Statistical analyzes were performed with the Mann-Withney test (p-value: * p ⁇ 0.05, ** p ⁇ 0.01 and *** pO.001).
- Ferrure 8 Expression of OSTERJX Reed in mesenchymal stem cells cultured in PIF A BMP4 medium in the presence of miPEP // 125a-1.
- the mesenchymal stem cells were treated for 4 days with 100 ⁇ l of miPEP // 125a-1, with 100 ⁇ l of control peptide (ScmiPEP // 125a) or untreated (NT).
- the ordinate axis indicates the relative expression of the OSTERIX gene.
- the statistical analyzes were performed with the Mann-Withney test (p-value: * p ⁇ 0.05, ** p ⁇ 0.01 and *** pO.001).
- FIG. 9 Expression of the STMN2 gene in mesenchymal stem cells cultured in PIF A BMP4 medium in the presence of the miPEP // 145-2.
- the mesenchymal stem cells were treated for 4 days with 100 ⁇ l of miPEP // 145-2, with 100 ⁇ l of control peptide (ScmiPEP // 125a) or untreated (NT).
- the y-axis indicates the relative expression of the STMN2 gene.
- Statistical analyzes were performed with the Mann-Withney test (p-value: * p ⁇ 0.05, ** p ⁇ 0.01 and *** pO.001).
- FIG. 10 Expression of the OSTERIX gene in mesenchymal stem cells in the medium PIF A BMP4 in the presence of the miPEP // 145-2.
- the mesenchymal stem cells were treated for 4 days with 100 ⁇ l of miPEP // 145-2, with 100 ⁇ l of control peptide (ScmiPEP // 125a) or untreated (NT).
- the y-axis indicates the relative expression of the OSTERIX gene.
- Statistical analyzes were performed with the Mann-Withney test (p-value: * p ⁇ 0.05; ** pO.01 and *** p ⁇ 0.001).
- Figure 11 Expression of Oak STMN2 in mesenchymal stem cells cultured in PROLIF medium in the presence of miPEP // 145-2.
- the mesenchymal stem cells were treated for 4 days with 100 ⁇ l of miPEP // 145-2, with 100 ⁇ l of control peptide (ScmiPEP // 125a) or untreated (NT).
- the y-axis indicates the relative expression of the STMN2 gene.
- Statistical analyzes were performed with the Mann-Withney test (p-value: * p ⁇ 0.05; ** pO.01 and *** p ⁇ 0.001).
- FIG. 12 Entry of miPEP // 15a-16-FAM in mesenchymal stem cells.
- the undifferentiated mesenchymal stem cells were treated for 6 hours with miPEP // 15a-16-l-1-FAM at 5 ⁇ (A), 10 ⁇ (B), 50 ⁇ (C) or 100 ⁇ (D).
- FIG. 13 Entry of miPEP // 15a-16-FAM into mesenchymal stem cells. Undifferentiated mesenchymal stem cells were treated with 100 ⁇ l of miPEP // 15a-16-ll-FAM for 2 hours (A), 4 hours (B), 6 hours (C), 8 hours (D) and 24 hours. (E).
- FIG. 14 Entry of miPEP // 15a-16-FAM-TAT into mesenchymal stem cells.
- Undifferentiated mesenchymal stem cells were treated for 6 hours with miPEP // 15a-16-ll-FAM-TAT at 5 ⁇ (A), 10 ⁇ (B), 20 ⁇ (C), 50 ⁇ (D). or 100 ⁇ (E).
- FIG. 15 Entry of miPEP // 15a-16-FAM-TAT into mesenchymal stem cells.
- Undifferentiated mesenchymal stem cells were treated for 2 hours with 10 ⁇ M miPEP // 1 5 -16-1-FAM-TAT.
- Figure 16 Accumulation of the precursor miR16-1 in the presence of miPEP // 15a-16-l-TAT.
- the mesenchymal stem cells were treated with 10 ⁇ l of miPEP // 15a-16-1-TAT, treated with 10 ⁇ l of control peptide (ScmiPEP // 21-1) or untreated (NT) for 3 hours.
- the amount of miR16-1 precursor in the cells was measured by quantitative RT-PCR. The measurement of the amount of miR16-1 precursor has been normalized with respect to PPIA household gene.
- Statistical analyzes were performed with the Mann-Withney test (p-value: * p ⁇ 0.05, ** pO.Ol and *** pO.001).
- Figure 17 Evaluation of the effects of miPEP125a-1 on bone formation in vivo.
- mice were also given regular injections (once a week) of either miPEP // 125a-1 (D) or scramble miPEP (F) during the study. After 4 weeks, the mice are euthanized and the grafts were then isolated, fixed, included in methacrylate, cut and then treated for histology. The sections were scanned (NDPview) and the bone formation (dark gray) is evaluated (A to F) and is also quantified (G) through the use of the Fiji image analysis software and the total area of Neoformed bone is referred to the total area of the cut.
- D miPEP // 125a-1
- F scramble miPEP
- EXAMPLE 1 miPEP 125a-1 and miPEP 145-2
- a transcriptomic analysis carried out by the inventors has revealed that the miR 125a-1 and miR 145-2 are overexpressed during the differentiation of the cells into osteoblasts (unpublished results).
- the 125a-1 and 145-2 miPEPs sequences were identified from the 125a-1 and 145-2 miRs primary transcripts.
- miPEP 125a-1 and miPEP 145-2 were analyzed by measuring the expression of iBSP genes, PTHR1, STMN2 and OSTERIX which correspond to markers of osteoblast osteogenesis and differentiation (Chiellini et al., Biochem Biophys Res Commun, 374 (1): 64-8, 2008; Cordonnier et al., Tissue Eng, 17 ( 3): 249-259, 2011).
- DIF + BMP4 medium aMEM + 2% FCS + b-Glycerophosphate + Ascorbic acid + BMP4
- DIF ⁇ 4 medium aMEM + 2% FCS + b-Glycerophosphate + ascorbic acid
- PROLIF medium aMEM + 10% FCS
- iBSP mesenchymal stem cells cultured in the presence or absence of a miPEP *.
- the miPEP // 125a-1 increases the expression of the WSP, PTHR1, STMN2 and OSTERIX genes (FIGS. 2, 3, 4 and 5).
- the miPEP // 145-2 increases the expression of the STMN2 gene (FIG. 6).
- the miPEP // 125a-1 increases the expression of the STMN2 and OSTERIX genes (FIGS. 7 and 8).
- the miPEP // 145-2 increases the expression of STMN2 and OSTERIX genes (FIGS. 9 and 10).
- FBS Fetal bovine serum
- miPEP // 125a-1 (MSLCLSPSLT, SEQ ID NO: 11752),
- miPEP // 145-2 (MVGLNPPLWQ, SEQ ID NO: 1,1751),
- ScmiPEP / 125a "scramble" control peptide (IQVGHEDETD, SEQ ID NO: 1,1758).
- PROLIF Proliferation medium
- DIF + BMP4 Differentiation medium + BMP4
- the miPEP // 125a-1 was synthesized by Smartbioscience and dissolved in water + 0.1% ammonium.
- the mesenchymal stem cells were seeded in 12-well plates at 70,000 cells / well in 1 ml of PROLIF medium. The cells were then incubated for 72 h at 37 ° C in a humid atmosphere with 5% CO 2 . d. Cell treatment with miPEPs
- the cells were pre-treated with 100 ⁇ l of miPEP or "scramble" peptide diluted in PROLIF medium, and then incubated at 37 ° C. for 24 hours.
- cells treated with PROLIF +/- water or water + 0.1% ammonium medium were used as a negative control.
- the cells were treated every 24 h with 100 ⁇ l of diluted miPEP either in DIF + BMP4 medium, or in DIF ⁇ 4 medium, or in PROLIF medium. Cells untreated or treated with water or water + 0.1% ammonium were used as controls. The cells are incubated at 37 ° C.
- RNAs were extracted according to the supplier's recommendations with the miRNeasy microkit kit (Qiagen). f. Reverse transcription reaction
- RNAs were reverse transcribed with the High Capacity cDNA reverse transcription kit (Applied Biosystem). 600ng of RNA were added to 2 ⁇ 1 of RT buffer (10X), 2 ⁇ 1 of Random primer (10X), 0.8 ⁇ 1 of dNTPs (25X), 0.5 ⁇ 1 of RNAse OUT (401 ⁇ / ⁇ 1) and ⁇ of multiscribe reverse transcriptase (501 ⁇ / ⁇ 1) in a total volume of 20 ⁇ 1.
- the reverse transcription reaction was carried out at 25 ° C for 10 min and then 42 ° C for 2 h. The activity of the enzyme was stopped by incubating the mixture at 85 ° C for 5 min.
- the expression of osteoblastic transcription factors SPSP, PTHR1, STMN2 and OSTERJX was evaluated by quantitative RT-PCR with the SsoFast EvagGreen kit.
- 3 ⁇ l of reverse transcriptase diluted 1/8 were added to IX of SsoFast EvaGreen, 10 ⁇ of each primer and water without RNase in a final volume of ⁇ .
- the reaction was subjected to the following temperatures: 3 min pre-amplification at 95 ° C, 40 cycles at 10 ° to 95 ° C and 30 ° at 60 ° C in a thermal cycler (CFX96 Real-time PCR detection system, Biorad) .
- PPIA was used as a reference gene to normalize quantitative RT-PCR. For all PCR reactions, two replicates were used for each biological sample.
- miPEPs mesenchymal stem cells
- FBS Fetal bovine serum
- miPEP // 15a-16-1 (MFKHRFFYMH, SEQ ID NO: 11,753),
- miPEP // 15a-16-l-TAT (MFKHRFFYMH-YGRKK RQR, SEQ ID NO: 11,757).
- Undifferentiated MSCs are incubated in ⁇ MEM + 10% FBS + 1% P / S medium in the presence of fluorescein labeled miPEP (FAM). After incubation for 2 h, the wells are washed 3 times with PBS and then the cells are fixed for 5 min with 3.8% formaldehyde). The nuclei are marked with the Draq5 diluted 1/1000. The cells are then observed under a confocal microscope in fluorescence.
- FAM fluorescein labeled miPEP
- a transcriptomic analysis performed by the inventors has revealed that the miR 15a and miR 16-1 are overexpressed during the differentiation of the cells into osteoblasts (unpublished results).
- the sequence of miPEP 15a-16-1 was identified from the primary transcript 15a-16-1.
- MSCs from three different patients were treated with 10 ⁇ l of miPEP // 15a-16-1 fused to TAT peptide (miPEP // 15a-16-1-TAT) for 3h, then the amount of miR16-1 was measured by RT-qPCR. 3.1 - Results
- FBS Fetal bovine serum
- miPEP // 15a-16-1-TAT (MFKHRFFYMH-YGRKKRRQRRR, SEQ ID NO: 11,757).
- Peptides were synthesized by Smartbioscience and dissolved at 2mM in water. b. Seeding of the cells
- the CSMs were seeded in wells of 12-well plates at 72900 cells per well under 1 ml of PROLIF medium. The cells were then incubated for 72 h at 37 ° C in a humid atmosphere with 5% CO 2 . vs. Cell treatment with miPEPs
- the cells were treated with 10 ⁇ l of miPEP // 15a-16-l-TAT or ⁇ of ScmiPEP21 diluted in PROLIF medium and then incubated at 37 ° C. for 1 h, 2 h, 3 h, 4 h and 6h.
- cells treated with PROLIF +/- water medium were used as a negative control.
- the miRNAs were extracted according to the supplier's recommendations with the miRNeasy microkit kit (Qiagen). e. Reverse transcription reaction
- RNAs were reverse transcribed with the High Capacity cDNA reverse transcription kit (Applied Biosystem). 400ng of RNA were added to 2 ⁇ 1 of RT buffer (10X), 2 ⁇ 1 of Random primer (10X), 0.8 ⁇ 1 of dNTPs (25X), 0.5 ⁇ 1 of RNAse OUT (40 ⁇ / ⁇ 1) and ⁇ ⁇ of multiscribe reverse transcriptase ( 50 ⁇ / ⁇ l) in a total volume of 20 ⁇ l. The transcription reaction is carried out at 25 ° C for 10 min and then 42 ° C for 2h. The activity of the enzyme is stopped by incubating the mixture at 85 ° C for 5 min. f. Quantification of precursor miRNAs by quantitative RT-PCR
- the amount of precursor miRNA in cells treated or not treated with miPEP was evaluated by quantitative RT-PCR with the SsoFast EvagGreen kit.
- 3 ⁇ of reverse transcriptase diluted 1/5 are added to IX of SsoFast EvaGreen, ⁇ of each primer and RNase free water in a final volume of 10 ⁇ .
- the reaction is subjected to the following temperatures: 3 min pre-amplification at 95 ° C, 40 cycles at 10 ° to 95 ° C and 30 ° at 60 ° C in a thermal cycler (CFX96 Real-time PCR detection System, Biorad).
- PPIA is used as a reference gene to normalize quantitative RT-PCR.
- the production of polyclonal antibodies specifically recognizing miPEP 125a, miPEP145 and miPEP15a-16-1 is made in mice or rabbits. The animals are treated by repeated injections of miPEP triggering the production of anti-miPEP antibodies.
- Mesenchymal stem cells from 6 different donors are cultured for 7 days either in proliferation medium (aMEM + 10% FCS) or in differentiation medium (aMEM + 2% FCS + b-Glycerophosphate + Ascorbic acid + BMP4).
- the presence of miPEP is then looked for in the cells by immunolabelings with the polyclonal antibodies anti-miPEP125a, anti-miPEP145 and anti-miPEP 15a- 16-1.
- the cells are incubated for 1H to 12H with the primary antibodies. They are then washed 3 times with 0.1% BSA PBS and then treated by adding anti-species secondary antibodies (anti-mouse or anti-rabbit) conjugated to a fluorescent probe. The reading is done under an epifluorescence microscope.
- EXAMPLE 5 In Vivo Bone Formation by Subcutaneous Implantation in Nude Mice
- the cultured cells are osteoinduced using miPEPs and then suspended for 1 to 2 hours in the culture medium also containing biomaterial granules in the ratio of 2 ⁇ 10 6 cells / 50 mg of biomaterial.
- This biomaterial is biphasic inorganic calcium phosphate (BCP) composed of hydroxyapatite (HA) and beta-tricalcium phosphate ( ⁇ -TCP) in a ratio of 20/80, ranging in size from 0.5 to 1 mm (sold by Biomatlante, Vigneux de Bretagne, France).
- BCP biphasic inorganic calcium phosphate
- HA hydroxyapatite
- ⁇ -TCP beta-tricalcium phosphate
- the porosity of this biomaterial was 75 +/- 5% of pores of which 70% from 0 to ⁇ , 20% from 10 to ⁇ and 10% from 100 to 300 ⁇ .
- the biomaterial is sterilized by autoclaving.
- mice Female Nude mice (RjOrl: NMRI-Foxnnul / Foxnlnu) (Laboratoires Janvier, Saint-Berthevin, France) are generally anesthetized by inhalation of isoflurane.
- the biomaterial alone is implanted as a negative control.
- Two implants are placed in the back of the mice subcutaneously on each side of the spine (a mouse may contain different types of implants). After 8 weeks, the treated animals are sacrificed. The implants are then removed and fixed in a buffered 4% formalin solution.
- NIH 3T3 cells (mouse fibroblast cell line) are cultured on DMEM medium, supplemented with 1-Glutamine (4 mM), Sodium Pyruvate (1 mM) and a 10% BCS BCS solution.
- the cells are transfected with Dharmafect I according to the reseller's recommendations and then with increasing amounts of a miPEP encoded by the primary miR-29 transcript.
- the cells are collected 48 hours after transfection and Collai expression is measured by qPCR.
- LetR-7 miR is known to act as a tumor suppressor gene in a variety of human tissues, particularly in the lung, by downregulating the post-transcriptional expression of multiple oncogenes, including RAS, MYC and HMGA2, as well as other genes for cell cycle progression.
- Increasing amounts of let-7 miR in overexpressing KRAS mutant cells showed a dose-dependent reduction in kras expression (Esquela-Kerscher et al., The let-7 microRNA cancer, Cell Cycle (2008), 7 (6), 759-764).
- A549 cells (KRAS overexpressing mutant cell line) were cultured on DMEM medium (90%) supplemented with fetal calf serum (10%) and 1x penicillin / streptomycin solution, then transfected with increasing amount of miPEP. encoded by the primary transcript of miR let-7. The next day, the cells are rinsed and incubated for 48 hours with a conventional culture medium. The proliferation tests are carried out with the AlamarBlue kit according to the distributor's recommendations.
- EXAMPLE 8 Ischemia - Reperfusion
- MiR-7 is implicated in the deleterious effects of ischemia-reperfusion syndrome (I / R) and is overexpressed in simulated I / R cardiomyocites.
- miR-7 has been shown to protect myocardial cells against apoptosis by reducing the expression of poly (ADP-ribose) polymerase (PARP).
- PARP poly (ADP-ribose) polymerase
- An increase in miR-7 induces a dose-dependent reduction in PARP expression (Li et al, MicroRNA-7a / b Protects against Cardiac Myocyte Injury in Ischemia Reperfusion by Targeting Poly (ADP-Ribose) Polymerase, PLoS One (2014) 9 (3); e90096).
- H9c2 cells (rat ventricular cell line) are cultured at 37 ° C under 5% CO2 on DMEM medium (90%) supplemented with fetal calf serum (10%) and 100 ⁇ g / ml penicillin / streptomycin solution. .
- the cells are subjected to a simulated I / R episode: the medium is replaced by glucose- and serum-deficient DMEM, and the cells are placed in a hypoxic chamber at 37 ° C. for 10 h and then reoxygenated for 2 h on DMEM medium containing 10% fetal calf serum. Quantification of PARP expression is conducted in Western Blot with anti-PARP antibodies.
- EXAMPLE 9 Infection with the Hepatitis C Virus CHCV
- HOXA1 Homeobox A1
- HOXA1 Homeobox A1
- a miR-181c analogue inhibits HOXA1 and other cascading agents, including STAT3 and STAT5, involved in the regulation of cell growth.
- the analog also suppresses HCV replication (Mukherjee et al., Transcriptional Suppression of miR-181c by Hepatitis C Virus Enhances Homeobox Al Expression, J. Virol. (2014), 88 (14); 7929-7940.).
- the human hepatoma cells (Huh7.5) are maintained on DMEM medium (90%) supplemented with fetal calf serum (10%) and antibiotics (100 U penicillin G / ml and 100 ⁇ g streptomycin / ml).
- HCV genotype 2a (clone JFH1) is grown in Huh7.5 cells. The supernatant is filtered on a cellulose acetate membrane. For infection, Huh7.5 cells are incubated with the viral solution for 72h.
- the cells reflecting the presence of HCV genotype 2a are cultured on DMEM medium (90%) supplemented with fetal calf serum (10%) and penicillin / streptomycin solution 1%. All cells are maintained at 37 ° C under 5% CO 2 and transfected with increasing doses of a miPEP encoded by the primary miR-181c transcript.
- the quantification of HOXAl is carried out by Western Blot using dedicated antibodies.
- mice All experiments on animals were done in accordance with EU Directive 2010/63 and after validation of protocols by the Animal Ethics Committee (Toulouse, N: 86/809 EEC). A total of 6-8 mice were used per group.
- biomaterials were biphasic inorganic calcium phosphate (BCP), composed of hydroxyapatite (HA) and beta-tricalcium phosphate ( ⁇ -TCP) in a ratio of 20/80, ranging in size from 0.5 to 1 mm (sold by Biomatlante, Vigneux de Bretagne, France).
- BCP biphasic inorganic calcium phosphate
- HA hydroxyapatite
- ⁇ -TCP beta-tricalcium phosphate
- the biomaterial alone has been implanted as a negative control.
- Female Nude mice (RjOrl: NMRI-Foxnnul / Foxnlnu), from the approved supplier Janvier (Laboratoires Janvier, Saint-Berthevin, France) were generally anesthetized by inhalation of isoflurane. Two implants (cells + biomaterials) were placed in the back of the mice subcutaneously on each side of the spine. After 4 weeks, the treated animals were sacrificed. The implants were then removed and fixed in a 4% buffered formalin solution.
- mice will also receive regular injections (once a week) in the course of the study either of the miPEP // 125a-1 (SEQ ID NO: 11,752) or the control miPEP (scramble ScmiPEP // 125a, SEQ ID NO: 11,758).
- the photos were obtained by a scan of each cut (NanoZoomer, Hamamatsu, Photonics, Hamamatsu City, Shizuoka, Japan) and observed virtually (NDP view, Hamamatsu).
- the histomorphometry of the images was done using the ImageJ software and the neoformed bone percentage was calculated by explant area. 3 to 4 sections per explant were analyzed and quantified. 10.2 - Materials
- BCP Biphasic inorganic calcium phosphate
- HA hydroxyapatite
- ⁇ -TCP beta-tricalcium phosphate
- NDPview (NDP view, Hamamatsu).
- FIG. 17 show that there is no bone formation in the biomaterial control alone (FIG. 17A). In contrast, the addition of CSM to the biomaterial generated bone formation in all cases (Fig 17B-F). However, qualitatively it appears that this bone formation is greater when the MSCs have been pre-treated with miPEP125a-1 (Fig 17C-D) than with the screamed miPEP (Fig 17E-F).
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| FR1663245A FR3061179A1 (fr) | 2016-12-22 | 2016-12-22 | Peptides therapeutiques |
| PCT/FR2017/000259 WO2018115602A1 (fr) | 2016-12-22 | 2017-12-22 | Peptides therapeutiques |
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| CN112301029B (zh) * | 2019-07-31 | 2023-02-24 | 上海交通大学医学院附属仁济医院 | 靶向调节miRNA的功能性小肽、其获得方法及其应用 |
| CA3162431A1 (fr) * | 2020-01-21 | 2021-07-29 | Augustinus Bader | Formulation cosmetique pour administration topique comprenant de nouveaux peptides qui ameliorent l'aspect et la regeneration de la peau |
| CN113171370A (zh) * | 2021-04-29 | 2021-07-27 | 中国人民解放军陆军军医大学第一附属医院 | miR-106a-5p模拟物在制备骨缺损修复药物中的应用 |
| CN114848820A (zh) * | 2022-01-24 | 2022-08-05 | 白锐 | 一种miRNA-217抑制剂作为抗骨巨细胞瘤药物的应用 |
| KR102920744B1 (ko) * | 2022-11-18 | 2026-02-05 | (주)케어젠 | 피부 미백 활성을 갖는 펩타이드 및 이의 용도 |
| CN117180297B (zh) * | 2023-09-08 | 2024-09-20 | 广州医科大学附属第一医院(广州呼吸中心) | 用于前列腺癌诊断、治疗以及预后评估的标志物及其应用 |
| CN117285598B (zh) * | 2023-10-11 | 2024-04-09 | 东北农业大学 | 抗胞内革兰氏阳性菌感染的纳米肽f3ft及其制备方法和应用 |
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| WO2004083241A2 (fr) * | 2003-03-19 | 2004-09-30 | Takeda Pharmaceutical Company Limited | Proteines interagissant avec btc et utilisation de ces proteines |
| US20150121569A1 (en) * | 2013-10-31 | 2015-04-30 | Centre National De La Recherche Scientifique | Micropeptides and use thereof for modulating gene expression |
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| WO2018115602A1 (fr) | 2018-06-28 |
| US20240075097A1 (en) | 2024-03-07 |
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