WO2016085280A1 - 세포 투과성 스테이플 펩타이드, 이의 제조방법 및 그 용도 - Google Patents
세포 투과성 스테이플 펩타이드, 이의 제조방법 및 그 용도 Download PDFInfo
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- WO2016085280A1 WO2016085280A1 PCT/KR2015/012807 KR2015012807W WO2016085280A1 WO 2016085280 A1 WO2016085280 A1 WO 2016085280A1 KR 2015012807 W KR2015012807 W KR 2015012807W WO 2016085280 A1 WO2016085280 A1 WO 2016085280A1
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- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K1/00—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length
- C07K1/107—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length by chemical modification of precursor peptides
- C07K1/113—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length by chemical modification of precursor peptides without change of the primary structure
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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
- C07K14/001—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof by chemical synthesis
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- C07—ORGANIC CHEMISTRY
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- 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
- C07K7/083—Neurotensin
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- 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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
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- C12N2310/00—Structure or type of the nucleic acid
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- C12N2320/00—Applications; Uses
- C12N2320/30—Special therapeutic applications
- C12N2320/32—Special delivery means, e.g. tissue-specific
Definitions
- the present invention relates to a staple peptide, a method for preparing the same, and a use thereof, and more particularly, to a double-sided alpha helix staple peptide including a hydrophobic amino acid and a hydrophilic amino acid, a method for preparing the same, and a use of the same for intracellular active substance delivery.
- CPPs cell penetrating peptides
- TAT peptides include TAT peptides, penetratin peptides, or artificially manufactured 7-9 linked alginine peptides.
- Their feature is that they are rich in arginine and are known to enter the cell as a mechanism of endocytosis, while being well aware of negatively charged substances on the cell surface.
- Such cell-penetrating peptides have been used for intracellular delivery of substances that are difficult to intracellularly, even for small molecules or for delivery of molecules of high molecular weight, such as proteins and nucleic acids that are not cell permeable.
- existing peptides require micromolar concentrations to show sufficient cell permeability.
- the efficiency is not sufficient in that it is a material required for conjugation using covalent bonds to increase the cell permeability of the material to be delivered to the cell. This is because most of the bioactive substances such as proteins or small molecules to be delivered to the cell play their role at lower concentration than micromolar. Thus, efforts are underway to permeate cell penetrating peptides into cells with good efficiency at lower concentrations.
- Staple peptides for the regulation of physiological activity is composed mostly of hydrophobic amino acids. This is because amino acids that play an important role in protein-protein interactions consist mainly of hydrophobic groups.
- a peptide multimer comprising a covalent linkage at two or more specific amino acid positions of a double-sided alpha helix peptide including hydrophilic and hydrophobic amino acids (PCT / KR2014 / 009778). . It was confirmed that this can be used as a cell penetrating peptide.
- PCT / KR2014 / 009778 the inventors of the present application introduced two molecules of cystine instead of leucine to some hydrophobic residues of the double-sided peptide to prepare a dimeric peptide in which two disulfide bonds were bound. These dimeric peptides were found to have a significantly increased alpha helix and chemically stable, cell permeability was increased 500 times compared to the conventional CPP.
- the dimer would be a peptide consisting of 32 amino acids, so making a stapled peptide and comparing it with the cell penetrating ability of the dimeric peptide yielded a better cell penetrating peptide. It is necessary to develop.
- An object of the present invention is to provide a double-sided alpha helix staple peptide capable of efficiently permeating a cell while having fewer amino acids than a conventional cell penetrating peptide, a method for preparing the same, and a use thereof.
- the present invention provides a staple peptide comprising at least two or more amino acids constituting the peptide, which are bilateral alpha-helix staple peptides comprising hydrophobic and hydrophilic amino acids.
- the amino acid may include at least one hydrophilic amino acid selected from the group consisting of arginine, lysine and histidine, or may include at least one hydrophobic amino acid selected from the group consisting of leucine, valine, tryptophan, phenylalanine, tyrosine and isoleucine. have.
- the present invention also provides a method for preparing a staple peptide, comprising the steps of: preparing a plurality of functionalized amino acids with a compound comprising a double bond; And arranging the amino acids at specific positions to link at least two or more amino acids with each other by a reaction between compounds including a double bond.
- the present invention also provides a composition for intracellular activator delivery comprising the staple peptide and a biologically active substance.
- 1 is a chemical structure of stCK as an example of an alpha helix double-sided staple peptide.
- Figure 2 is a schematic diagram showing the results (left) and the structure (left) of the cell permeability of the dimeric alpha-helix double-sided peptide, staple peptide, peptide linked by the BMB linker according to an embodiment of the present invention using a flow cytometer (right) )to be.
- FIG. 3 is a schematic diagram and a helical wheel representation of each staple peptide according to an embodiment of the present invention and its sequence.
- Figure 4 shows the results of using the flow cytometer at the same concentration (16 nM) of all the cell permeability of the alpha helix double-sided peptide, staple peptide of the dimer according to an embodiment of the present invention.
- Figure 5 is a schematic diagram showing the manufacturing process of the staple peptide according to an embodiment of the present invention.
- Figure 6 is a schematic diagram showing the manufacturing process of the peptide linked to the BMB linker according to an embodiment of the present invention.
- FIG. 7 is a graph showing the results of HPLC verification of staple peptide (stCK) according to an embodiment of the present invention.
- FIG. 8 is a graph showing the results of confirming the mass of the staple peptide (stCK) according to an embodiment of the present invention by MALDI-TOF.
- FIG. 9 is a graph showing the results of HPLC confirmation of 5-TAMRA labeled staple peptide according to an embodiment of the present invention.
- Figure 9a is a 5-TAMRA labeled stAK
- Figure 9b is a 5-TAMRA labeled stBK
- Figure 9c is a 5-TAMRA labeled stCK
- Figure 9d is a 5-TAMRA labeled stDK
- Figure 9e is a HPLC showing the results of the 5-TAMRA labeled stEK It is a graph.
- FIG. 10 is a graph showing the result of confirming the mass of 5-TAMRA labeled staple peptide according to an embodiment of the present invention by MALDI-TOF.
- Figure 10a is a 5-TAMRA labeled stAK
- Figure 10b is a 5-TAMRA labeled stBK
- Figure 10c is a 5-TAMRA labeled stCK
- Figure 10d is a 5-TAMRA labeled stDK
- Figure 10e is a mass of 5-TAMRA labeled stEK MALDI-TOF This is a graph showing the results confirmed.
- FIG. 11 is a graph showing the results of HPLC confirmation of the BMB linker linking peptide (BMB CK) according to an embodiment of the present invention.
- BMB linker linking peptide BMB CK
- Figure 13 is a graph showing the HPLC confirmation results of His containing staple peptide (LKH stEK) according to an embodiment of the present invention.
- Cys stEK Cys containing staple peptide
- LH stEK His containing staple peptide
- 16 is a graph showing the results of confirming the mass of Cys-containing staple peptide (LKH stEK) according to an embodiment of the present invention by MALDI-TOF.
- Figure 17 is an example of applying the delivery of siRNA using a staple peptide (stEK) according to an embodiment of the present invention, it is the result of confirming the delivery of siRNA using a light microscope.
- stEK staple peptide
- FIG. 18 shows the results of confirming the expression of target RNA by RT-PCR experiment as an example of application of siRNA delivery using His-containing staple peptide according to an embodiment of the present invention.
- the present invention relates to a double-stranded alpha-helix staple peptide comprising a hydrophobic amino acid and a hydrophilic amino acid, wherein at least two or more amino acids constituting the peptide are linked to each other.
- the staple peptide used in the present invention means that the region constituting the peptide is connected internally or between regions.
- the i- and i + 4 positions (or i + 7, i + 11 positions) of the alpha helix may be stapled using several covalent methods to enhance the chemical stability of the alpha helix.
- the amino acid at one or more positions selected from the group consisting of i, i + 3, i + 4, i + 7, i + 8, i + 10 and i + 11 (i is an integer) may be stapled.
- Covalent bonds can be used to staple amino acids, thereby enhancing cell permeability.
- two or more amino acid positions selected from the group consisting of i, i + 3, i + 4, i + 7, i + 8, i + 10 and i + 11 (i is an integer) can be stapled.
- two amino acids may be linked via disulfide bonds, carbon-carbon double bonds, or amide bonds.
- introduction of disulfide between two amino acid positions introduction of carbon-carbon double bonds through metathesis reactions, introduction of amide bonds, and introduction of short linkers by Michael reactions.
- Such stapling is increasing the possibility that not only the desired chemical stability but also the cell-penetrating peptides with improved cell permeability can be prepared.
- the compound of the cycling structure may connect at least two or more amino acids.
- the size of the cycling may vary depending on the number of amino acids of the alpha helix peptide.
- one or more staples may be included.
- one or more amino acids of the peptide may be functionalized with a compound containing a double bond.
- amino acids may be linked by a ring structure generated through ring-closing metathesis between the double bond containing compounds.
- the functionalized amino acid may be an amino acid substituted with an alkenyl side chain.
- the alkenyl may be at least one selected from the group consisting of pentenyl group, nucleenyl group, heptenyl group, octenyl group, nonenyl group, decenyl group, undekenyl group, and dodekenyl group.
- the amino acid constituting the peptide is not limited to the kind as long as it can maintain the alpha-helical structure while showing both sides, for example, the hydrophilic amino acid may be one or more selected from the group consisting of arginine, lysine and histidine
- the hydrophobic amino acid may be at least one selected from the group consisting of leucine, valine, tryptophan, phenylalanine, tyrosine and isoleucine.
- a double-sided alpha helical peptide consisting of lysine and leucine is prepared as a staple peptide to compare cell permeability with previously known non-staple peptides and known cell permeable peptides, and thus excellent staple peptides according to the present invention. It was confirmed that it can exhibit cell permeability.
- the peptide may include histidine to increase the efficiency of intracellular delivery. Histidine may act in the endosomal escape after intracellular delivery.
- the histidine may be included, for example, three at the lysine position in the peptide. When included in one or more than one lysine position, the intracellular delivery efficiency of the peptide may be improved.
- the peptide may further comprise cysteine at the N-terminus or C-terminus.
- the delivery efficiency for the material to be delivered may vary. For example, this may vary depending on the nature of the material to be delivered.
- the cysteine may be located at the N-terminus to increase the alpha helix of the peptide, thereby increasing the delivery efficiency of the material.
- the delivery material is an electrically positive material, the cysteine may be located at the C-terminus, thereby increasing the alpha helix of the peptide, thereby increasing the delivery efficiency.
- a separate linker may be introduced between the peptide and cysteine added at the N- or C-terminus.
- the linker may be in the form of a plurality of for example one to three glycine or alanine.
- the physical properties or delivery efficiency of the peptides may vary depending on the length or type of the linker, and the physical properties or delivery efficiency of the peptides depending on the length of the linker may vary depending on the material to be delivered.
- the number of amino acids included in the peptide is not limited as long as it can form an alpha helix structure, which is a stable secondary structure, but may include, for example, 5-20 amino acids.
- the inventors of the present application have a relatively small number of amino acids (e.g., consisting of 16 amino acids) compared to the cell penetrating peptides, but the cell permeability is inferior to that of the previously developed CPP having 24-32 amino acids. It was confirmed that there was no. Through this, it is possible to manufacture a cell-penetrating peptide with high utilization economically.
- hydrophilic amino acids In order to collect the amine groups of the hydrophilic amino acid into one side of the alpha-helical peptide, one to three hydrophilic amino acids may be alternately arranged, and the remaining sequence may be one to three hydrophobic amino acids.
- each of the hydrophilic and hydrophobic amino acids may be alternately arranged, and may include at least one amino acid having the same polarity as the i position in at least one of i + 3 or i + 4.
- the staple peptide may include any one of the following sequences, and these are staple peptides prepared by introducing a carbon-carbon double bond through a metathesis reaction.
- R8 means (R) -2- (7'-octenyl) alanine
- S5 means (S) -2- (4'-pentenyl) alanine.
- Staple peptides according to the present invention is excellent in cell permeability and can ensure the desired cell permeability even when used in a minimum concentration. Through this, not only excellent cell delivery capacity but also a desired effect can be obtained by using a low concentration of biologically active substance.
- Peptide multimers having efficient cell permeability even at low concentrations (low nM) have already been prepared by the inventors.
- these peptide multimers contain about 24-32 amino acids. Since the cell penetrating ability does not increase in proportion to the number (or length) of the amino acids constituting the peptide, it has a relatively small number of amino acids (consists of 16 amino acids) compared to the cell penetrating peptides obtained by the present inventors. Compared with CPP having 24-32 amino acids in cell permeability, it is possible to manufacture high-efficiency cell-penetrating peptides economically. As a result, the present invention provides a cell-penetrating peptide containing a small number of amino acids for intracellular activator delivery.
- the present invention is to prepare the double-sided alpha-helix peptide of the double-sided peptide of the inventors in the form of a staple peptide, to enhance cell permeability.
- the present invention relates to a composition for intracellular activator delivery comprising the staple peptide and a biologically active substance.
- the biologically active substance is a kind of cargo, and may be a substance that modulates biological activity or function that binds to the cell membrane permeation domain and is delivered into a cell, thereby regulating all physiological phenomena in the living body.
- DNA, RNA, siRNA , Aptamers, proteins, antibodies or cytotoxic compounds but is not limited thereto.
- a substance or other carrier that modulates biological activity or function may be combined, wherein the peptide and a substance or other carrier that modulates biological activity or function may form a complex structure.
- the substance or carrier may be linked, for example, via a non-covalent or covalent bond with the staple peptide.
- the non-covalent bond may be, for example, one or more selected from the group consisting of hydrogen bonds, electrostatic interactions, hydrophobic interactions, van der Waals interactions, pi-pi interactions and cation-pi interactions.
- the covalent bonds may be degradable or non-degradable bonds
- the degradable bonds may be disulfide bonds, acid decomposable bonds, ester bonds, anhydride bonds, biodegradable bonds or enzymatic bonds
- non-degradable bonds are amide bonds.
- a phosphate bond but is not limited thereto.
- the peptide may be linked by forming a non-covalent bond such as an electrostatic bond or a host-guest bond, for example, doxorubicin, Methotrexate, Paclitaxel, Cisplatin, Bleomycin, taxol, berberine or curcumin, but It is not limited.
- the protein or antibody may include any type of drug that specifically binds to a specific target in a cell, and may be introduced in a form fused to an N-terminus or a C-terminus.
- the biologically active substance is not limited in content if it is delivered to a specific target in the cell, it may be included in a range that shows the maximum effect.
- the biologically active substance and the staple peptide are in a molar ratio of 1: 1 to 1: 100, for example 1: 2 to 1: 100, especially in a molar ratio of 1: 2 to 1:50. May be included.
- the target gene of interest was significantly inhibited even under a condition where the concentration of siRNA was lowered at a specific molar ratio, for example, 1:50.
- the present invention relates to a method for preparing a staple peptide, comprising the steps of: preparing a plurality of functionalized amino acids with a compound comprising a double bond; And arranging the amino acids at specific positions to link at least two or more amino acids with each other by a reaction between compounds including a double bond.
- the functionalization is not particularly limited as long as it is a structure that forms the above-mentioned cycling to connect two or more groups, for example, by arranging amino acids having an alkenyl side chain at a specific position to form a staple peptide linked through cycling. It can manufacture.
- Each configuration according to the present invention described above can be equally applied to the manufacturing method.
- Alpha-helix peptide consisting of leucine and lysine is selected from two amino acids consisting of i, i + 7 positions among the amino acids of the hydrophobic cotton, and is (R) -2- (7'-octenyl) alanine at the i position, Hydrocarbon staple peptides were prepared by ring closure metathesis method by substituting (S) -2- (4'-pentenyl) alanine (FIG. 3). Table 1 below shows the sequence of each amino acid and its name.
- each staple peptide follows the ring closure metathesis (RCM) method as shown in FIG.
- RCM ring closure metathesis
- Unstapled peptides that were not staples were synthesized according to standard Fmoc peptide synthesis, and RCM was performed according to the above-mentioned references. Briefly, the resin with peptide (30 ⁇ mol) was washed three times for 1 minute each with carbon dichloride and acetylene dichloride in the presence of a Fmoc protecting group at the N-terminus. Thereafter, 1 mL of Grubb's first generation catalyst dissolved in 6 mM acetylene dichloride was treated with the above resin and reacted with bubbling with nitrogen gas at room temperature for 2 hours.
- 5-TAMRA stDK MS [M + H] + : 2298.5 (calcd) 2298.1 (obsd).
- 5-TAMRA stEK MS [M + H] + : 2340.6 (calcd) 2340.3 (obsd).
- LKH stEK [M + H] + : 1996.32 (calcd), 1997.29 (obsd).
- Peptides linked with BMB linker were prepared as a control of staple peptides (FIG. 6).
- the amino acid sequence of this peptide is similar to stCK, replacing R8 and S5 with cysteine.
- 5-TAMRA-BMB CK labeled 5-TAMRA at the N-terminus was reacted in PBS buffer (pH 7.4) by adding the same amount of the above cysteine-containing peptide and 1,4-bis (maleimido) butane (BMB). Obtained.
- HPLC traces of the respective peptides are shown in FIG. 11. The separated peptide was confirmed by MALDI-TOF mass spectrometry, and the result is shown in FIG. 12.
- the alpha helical dimeric dimeric peptide (dimer CK) confirmed that most of the cells had a peptide at about 10 nM, and the staple peptide (stCK) in the present invention was about 30 The same efficiency is shown at nM.
- peptides that have increased alpha helix by connecting to the same amino acid position with a 1,4-bis (maleimido) butane (BMB) linker show the same efficiency when they reach 500 nM.
- BMB 1,4-bis (maleimido) butane
- the linker portion was found to play an important role in cell permeability.
- the linker of the staple peptide consisting of hydrocarbons rather than hydrophilic linkers such as BMB can contribute to cell permeability.
- HeLa cells (1.0 ⁇ 10 4 cells / well) were grown on 8 well Lab-tek chamber slides (Thermo Scientific) and then transfected the following conditions.
- DY-547-labeled siRNA (siGLO, GE life sciences) was placed in the staple peptide stEK and PBS buffer conditions at room temperature for 30 minutes, mixed with OptiMEM media medium, incubated with cells for 24 hours, and washed twice with PBS buffer.
- the fluorescence microscope Confocal LSM 710 system, Zeiss
- Dharmafect I reagent used as a positive control, it can be seen that the delivery of siRNA is efficiently carried out to the peptide even when stEK is 2: 1 or 10: 1 in molar ratio with siRNA.
- HeLa cells (5 ⁇ 10 4 cells / well) were grown on a 24 well plate and the expression levels of the target genes were determined using siGenome (GE Life Sciences), an siRNA, using LKH stEK, a staple peptide containing His, the next day. .
- the siRNA concentration was maintained at 50 nM and mixed at a ratio as shown in FIG. 18A, and the expression amount of the target mRNA was confirmed after incubation with the cells for 24 hours at this concentration.
- LKH stEK which is CPP
- FIG. 18B when the same ratio is 1:50, it was confirmed that a significant amount of inhibition of the target gene was observed even under the condition of lower siRNA concentration.
- the staple peptide has excellent cell permeability compared to other peptide derivatives.
- Alpha-helix double-sided staple peptide according to the present invention has a high cell permeability, and can effectively deliver various physiologically active substances into cells.
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Abstract
Description
Claims (20)
- 소수성 아미노산 및 친수성 아미노산을 포함하는 양면성의 알파나선형 스테이플 펩타이드로, 펩타이드를 구성하는 적어도 2개 이상의 아미노산이 서로 연결되어 있는 것을 특징으로 하는 스테이플 펩타이드.
- 제1항에 있어서,i, i+3, i+4, i+7, i+8, i+10 및 i+11 (i는 정수)로 이루어진 군에서 선택된 하나 이상 위치의 아미노산이 연결되는 것을 특징으로 하는 스테이플 펩타이드.
- 제1항에 있어서,상기 아미노산은 이황화 결합, 탄소-탄소 이중결합, 또는 아미드 결합을 통해 연결되는 것을 특징으로 하는 스테이플 펩타이드.
- 제1항에 있어서,상기 펩타이드 중 하나 이상의 아미노산이 이중결합 포함 화합물로 기능기화된 것을 특징으로 하는 스테이플 펩타이드.
- 제4항에 있어서,상기 이중결합 포함 화합물 사이의 폐환 복분해(ring-closing metathesis)를 통해 생성된 링에 의해 아미노산이 연결되는 것을 특징으로 하는 스테이플 펩타이드.
- 제4항에 있어서,상기 기능기화된 아미노산은 알케닐 측쇄를 포함하는 것을 특징으로 하는 스테이플 펩타이드.
- 제1항에 있어서,상기 펩타이드는 알지닌, 라이신 및 히스티딘으로 이루어진 군에서 선택된 하나 이상의 친수성 아미노산을 포함하는 것을 특징으로 하는 스테이플 펩타이드.
- 제1항에 있어서,상기 펩타이드는 루신, 발린, 트립토판, 페닐알라닌, 타이로신 및 이소루신으로 이루어진 군에서 선택된 하나 이상의 소수성 아미노산을 포함하는 것을 특징으로 하는 스테이플 펩타이드.
- 제1항에 있어서,상기 펩타이드 중 친수성 및 소수성 아미노산 각각이 한 개 내지 세 개씩 교대로 배열되어 있는 것을 특징으로 하는 스테이플 펩타이드.
- 제1항에 있어서,상기 펩타이드는 히스티딘을 필수적으로 포함하는 것을 특징으로 하는 스테이플 펩타이드.
- 제1항에 있어서,상기 펩타이드는 N-말단 또는 C-말단에 시스테인을 추가로 포함하는 것을 특징으로 하는 스테이플 펩타이드.
- 제1항에 있어서,상기 펩타이드는 5-20개의 아미노산을 포함하는 것을 특징으로 하는 스테이플 펩타이드.
- 제1항에 있어서,다음 서열 중 어느 하나를 가지는 것을 특징으로 하는 스테이플 펩타이드:R8KKLLKLS5KKLLKLAG (서열번호 1),LKKR8LKLLKKS5LKLAG (서열번호 2),LKKLR8KLLKKLS5KLAG (서열번호 3),LKKLLKR8LKKLLKS5AG (서열번호 4),LKKLLKLR8KKLLKLS5G (서열번호 5),LKKLLKLLR8KLLKLAS5 (서열번호 6),LKHLLHLR8KHLLKLS5G (서열번호 7), 또는CLKKLLKLR8KKLLKLS5G (서열번호 8),상기 서열에서 R8는 (R)-2-(7'-옥테닐)알라닌, S5는 (S)-2-(4'-펜테닐)알라닌을 의미한다.
- 다음 단계를 포함하는 스테이플 펩타이드의 제조방법:이중결합을 포함하는 화합물로 기능기화된 아미노산을 복수개 제조하는 단계; 및상기 아미노산을 특정 위치에 배열시켜 이중결합을 포함하는 화합물 사이의 반응에 의해 적어도 2개 이상의 아미노산을 서로 연결시키는 단계.
- 제14항에 있어서,i, i+3, i+4, i+7, i+8, i+10 및 i+11 (i는 정수)로 이루어진 군에서 선택된 두 개 이상의 아미노산 위치에서 연결하는 것을 특징으로 하는 제조방법.
- 제14항에 있어서,상기 아미노산은 이중결합 포함 화합물 사이의 폐환 복분해(ring-closing metathesis)를 통해 생성된 링에 의해 연결되는 것을 특징으로 하는 제조방법.
- 제16항에 있어서,상기 기능기화된 아미노산은 알케닐 측쇄를 포함하는 것을 특징으로 하는 제조방법.
- 제1항 내지 제13항 중 어느 한 항에 따른 스테이플 펩타이드 및 생물학적 활성물질을 포함하는 세포 내 활성물질 전달을 위한 조성물.
- 제18항에 있어서, 상기 생물학적 활성물질은 DNA, RNA, siRNA, 압타머, 단백질, 항체 또는 저분자 화합물인 것을 특징으로 하는 조성물.
- 제18항에 있어서, 상기 생물학적 활성물질 및 스테이플 펩타이드는 1:2 내지 1:100의 몰비로 포함되는 것을 특징으로 하는 조성물.
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WO2019237101A1 (en) | 2018-06-08 | 2019-12-12 | The Board Of Regents Of The University Of Oklahoma | Peptide therapeutics for treating alzheimer's disease and related conditions |
GB201916884D0 (en) * | 2019-11-20 | 2020-01-01 | Evox Therapeutics Ltd | Nanoparticle-like delivery system |
KR102389603B1 (ko) * | 2020-04-14 | 2022-04-25 | (주) 캠프테라퓨틱스 | 신규한 알파나선형 양면성 세포 투과 펩타이드 및 이의 용도 |
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US20250282819A1 (en) * | 2021-10-13 | 2025-09-11 | Camp Therapeutics Inc. | Mitochondria-specific peptide that can be intracellularly delivered at nanomolar concentration, and use thereof |
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