WO2015140077A1 - Traitement de la reponse inflammatoire et dysimmunitaire - Google Patents
Traitement de la reponse inflammatoire et dysimmunitaire Download PDFInfo
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- WO2015140077A1 WO2015140077A1 PCT/EP2015/055331 EP2015055331W WO2015140077A1 WO 2015140077 A1 WO2015140077 A1 WO 2015140077A1 EP 2015055331 W EP2015055331 W EP 2015055331W WO 2015140077 A1 WO2015140077 A1 WO 2015140077A1
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Classifications
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- 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
- C12N5/0634—Cells from the blood or the immune system
- C12N5/0647—Haematopoietic stem cells; Uncommitted or multipotent progenitors
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
- A61K35/12—Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells
- A61K35/14—Blood; Artificial blood
- A61K35/15—Cells of the myeloid line, e.g. granulocytes, basophils, eosinophils, neutrophils, leucocytes, monocytes, macrophages or mast cells; Myeloid precursor cells; Antigen-presenting cells, e.g. dendritic cells
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- A61K35/12—Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells
- A61K35/14—Blood; Artificial blood
- A61K35/17—Lymphocytes; B-cells; T-cells; Natural killer cells; Interferon-activated or cytokine-activated lymphocytes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
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- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
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- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/02—Immunomodulators
- A61P37/06—Immunosuppressants, e.g. drugs for graft rejection
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- A—HUMAN NECESSITIES
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- A61K35/12—Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells
- A61K2035/124—Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells the cells being hematopoietic, bone marrow derived or blood cells
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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
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- C—CHEMISTRY; METALLURGY
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- C12N2501/23—Interleukins [IL]
- C12N2501/2306—Interleukin-6 (IL-6)
Definitions
- the present invention relates to a medicament and more particularly to a medicament for inhibiting or reducing the immune and inflammatory response.
- the present invention also relates to a medicament for the treatment of diseases for which the immune or inflammatory response is deleterious to the patient such as graft-versus-host disease, autoimmune diseases and auto-inflammatory diseases.
- GvHD graft-versus-host disease
- autoimmune and auto-inflammatory diseases are a complication of transplantation caused by transplantation of allogeneic hematopoietic cells.
- immunosuppressants corticosteroids, chemotherapy
- these immunosuppressive treatments expose the patient to possible infections and relapses of his hematopathy.
- Treg regulatory T cells
- MDSC myeloid derived suppressor cells
- This cellular subtype is rare or absent in healthy individuals and found in case of pathology and especially in case of cancer. The injection of these cells has allowed the animal to promote the tolerance of transplants after transplantation, but the scarcity of these cells makes their use in the clinic difficult.
- the present invention proposes the use of a new cellular subtype of suppressive myeloid cells generated from circulating cells isolated from patients' blood and usable for treating autoimmune and auto-inflammatory diseases and graft disease against the host.
- the present invention also provides a method for preparing, ex vivo, this population of immunosuppressive cells.
- the present invention relates in particular to a cell expressing CD33, CD11b, CD14, CD163, CD206, HLA-DR, CD44, CD31, CD105 and CCR5.
- Applicants have been able to generate, ex vivo these cells, to characterize them by studying the expression of the molecules mentioned above. Applicants have also been able to show the usefulness of these cells in the context of the treatment of certain pathologies whose neutralization of the immune system of the patient to be treated is indicated.
- the term "cell” refers to a natural or recombinant eukaryotic cell.
- said cell is a human cell and even more preferably said cell is derived from a hematopoietic stem cell.
- drift means that said cell is derived, directly or indirectly, from the division of a hematopoietic stem cell.
- the various markers cited in the context of the present invention are well known to those skilled in the art. In a preferred manner, said markers designate any of the human isoforms of said markers.
- the CD (for cluster of differentiation) nomenclature, used in this application, was proposed and established by the 1st International Working Group and Conference on Human Leukocyte Antigens, meeting in Paris in 1982. The nomenclature in This question is maintained by the HCDM and can be consulted on the association's website (www.hcdm.org).
- the term “expresses” means that the cell according to the invention produces the proteins mentioned. More particularly, when said proteins are membrane proteins, the term “expresses” means that said protein is expressed at the cell membrane of said cell. When said protein is a soluble protein, the term “expresses” means that said protein is expressed to the extracellular domain.
- the cell according to the invention expresses CD33, CD11b, CD14, CD163, CD206, HLA-DR, CD44, CD31, CD105 and CCR5. According to a preferred embodiment, the cell according to the invention does not express the following molecules: CDla, CD80, CD86, CD16, CD56, CD3, CD19, CD66b, CCR7 and PDL1.
- the cell according to the invention expresses CCL2, and IL-6. According to a preferred embodiment, the cell according to the invention does not express the following IL-4, IL-5, IL-12p70, TNF-, IL- ⁇ , CCL20, IFN ⁇ , granzyme B, soluble FasL, TGF- ⁇ .
- the present invention also relates to a cell according to the invention for use as a medicament.
- the possible use as a medicament of the cell according to the invention has in particular been demonstrated in an experimental model of graft-versus-host disease and can be extended to all pathologies where a temporary neutralization of the immune system may be desired.
- the present invention also relates to the use of the cell according to the invention for the treatment of graft-versus-host disease, auto-inflammatory diseases such as gigantocellular arteritis (Horton's disease), polyarthritis rheumatoid, autoimmune diseases and transplant rejection.
- the present invention also relates to a composition comprising a cell according to the invention and a pharmaceutically acceptable vehicle.
- physiological saline PBS, glUCOSG 5% RPMI.
- the present invention also relates to a cell according to the invention for inducing the increase of regulatory CD8 T lymphocytes.
- the term “increase” refers to an increase in proliferation.
- the present invention also relates to a cell according to the invention for inducing an inhibition of the proliferation of effector T lymphocytes.
- composition according to the invention may further comprise any drugs necessary in the context of the treatment envisaged.
- said composition comprises between 1 X 10 7 and 1 X 10 8 cells per injection and a number of injections of 1 to 20 injections depending on the tolerance and the response.
- the cells according to the invention can be injected into the patient by any route known to those skilled in the art. Of these, the intravenous route is preferred.
- the present invention also relates to a method for preparing a cell according to the invention comprising the steps of:
- step (ii) may be omitted.
- step (i) is carried out in the absence of any other chemokines, cytokines and human growth factors.
- the monocytes are cultured in step (i) in the absence of IL-4.
- the monocytes are cultured in step (i) in the absence of IL-1, IL-3, TNF, SCF, EPO and IFN-g.
- the monocytes are cultured in step (i) in the absence of IFN ⁇ , IL-2 and a chemokine or a combination of chemokines chosen from CCL2, CCL3, CCL4, CCL8 and CXCL10.
- the method according to the invention does not comprise additional steps.
- the monocytes come preferentially from the peripheral blood of the patient to be treated, or from the blood of healthy allogeneic volunteers.
- Monocytes can be obtained preferentially using 2 techniques, either after magnetic isolation of cells expressing CD14, or from CD34 + cells isolated from peripheral blood by magnetic sorting and then multiplied during a culture in the presence of "CD34 expansion medium” then differentiated into monocytes during culture in the presence of M-CSF.
- the preparation method according to the invention is remarkable in that the step (ii) of isolating the cells expressing CD33 is carried out via a cell sorter.
- the preparation method according to the invention is remarkable in that the step (ii) of isolating the cells expressing CD33 is carried out via magnetic beads.
- Step (i) of culturing monocytes in the presence of IL-6 and GM-CSF can be carried out under the culture conditions usually used for this type of cells.
- the cells are maintained at 37 ° C. and 5% CO 2 in a suitable culture medium.
- said culture medium is RPMI1640.
- the preparation method according to the invention is remarkable in that the IL-6 present in the culture medium in step (i) is between 5 and 15 ng / ml and quite preferably between 8 and 12 ng / ml.
- the preparation method according to the invention is remarkable in that the GM-CSF present in the culture medium in step (i) is between 5 and 15 ng / ml and quite preferably between 8 and 12 ng / ml.
- the concentration of GM-CSF and IL-6 indicated is the initial concentration in the culture medium at the moment of its contact with the cells.
- said culture medium is renewed regularly every 2 or 3 days.
- the preparation process according to the invention is remarkable in that step (i) is carried out for a period of between 4 and 10 days and quite preferably of 7 days.
- the preparation process according to the invention is remarkable in that step (i) is carried out at 37 ° C.
- Mononuclear peripheral blood cells were isolated from healthy donors or from patients to be treated using 2 techniques.
- the first technique consists in performing centrifugation of peripheral blood on a Ficoll gradient, recovering PBMCs (for peripheral blood mononuclear cells), and then isolating the monocytes by magnetic sorting using the anti- CD14 coupled to a magnetic ball.
- the second is to isolate the peripheral blood cells expressing CD34 by magnetic sorting, then to grow these cells in the presence of medium promoting their multiplication (CD34 expansion medium), and differentiate by cultivating them in the presence of M-CSF.
- the monocytes were then cultured at a concentration of 5 ⁇ 10 6 cells / ml in RPMI1640, supplemented with 10% fetal calf serum, 10 ng / ml GM-CSF and 10 ng / ml IL-6 for 7 days. medium being renewed every 3 days.
- the cells according to the invention were then purified, after labeling with a marker specific for CD33, via a cell sorter. - Cell proliferation test
- T cells, CD4 + CD25 + T cells and CD4 + CD25 + T cells were labeled with the "Cell trace Violet cell proliferation kit” kit (Cell Trace, Carlsbad, CA).
- the labeled cells are cultured in the presence of beads coated with anti CD3 / anti CD28 (Dynabeads, Invitrogen, Cergy Pontoise, France) with or without the cells according to the invention.
- the proliferation of T lymphocytes was detected by flow cytometry. - morphological analysis
- the morphological analysis of the cells according to the invention was carried out after a Wright / Giemsa labeling.
- the concentration of IFN- ⁇ , TNF-, IL-10, IL-6 and TGF- ⁇ was determined in the culture supernatant of the cells cultured by the ELISA technique. Animal model of graft disease against IFN- ⁇ , TNF-, IL-10, IL-6 and TGF- ⁇ was determined in the culture supernatant of the cells cultured by the ELISA technique. Animal model of graft disease against IFN- ⁇ , TNF-, IL-10, IL-6 and TGF- ⁇ was determined in the culture supernatant of the cells cultured by the ELISA technique. Animal model of graft disease against
- NOD / SCID / IL2RYC - / - mice (Jackson Laboratory), aged 8 to 12 weeks, received intravenously peripheral blood mononuclear cells (20 ⁇ 10 6 cells per mouse) with or without cells according to the invention (5.10). cells per mouse). The mixing of the cells is done just before the injection. The detection of signs of graft-versus-host disease was performed every 3 days blind.
- mice The organs removed from the treated mice were fixed in formaldehyde and embedded in paraffin. 5 ⁇ sections are made and stained with eosin and hematoxylin.
- HuMoSC have the physical, phenotypic and functional characteristics as described below.
- HuMoSC appear as a homogeneous population of large mononuclear cells with basophilic cytoplasm. Phenotype of the cells according to the invention
- the cells according to the invention have a CD33 + CD11b + CD14 + CD163 + CD206 + HLA-DR + CD44 + CD31 + CD105 + CCR5 + phenotype, and weakly express CCR6.
- the cells according to the invention do not express CD1, CD80, CD86, CD16, CD56, CD3, CD19 and CCR7. Effect of the cells according to the invention on the proliferation of T lymphocytes
- Autologous stimulated T cells were co-cultured with the cells according to the invention with a ratio of 2 T lymphocytes / cells according to the invention. It has been found that the stimulated T lymphocytes co-cultured with the cells according to the invention proliferate less than the T cells cultured alone. Separate analysis of T lymphocytes showed that the proliferation of CD4 + T cells and CD8 + T cells was also inhibited by the cells according to the invention. Moreover, the antiproliferative effect of the cells according to the invention is also observed on autologous T cells and on allogeneic T cells. T cells co-cultured with the cells according to the invention do not express the CD25 + marker in contrast to T cells cultured alone.
- the analysis of the culture supernatants of the different samples made it possible to demonstrate that the cells according to the invention block the production of pro-inflammatory cytokine (INF- ⁇ and TNF-) by the T lymphocytes.
- the cells according to the invention is notable in that it blocks cell activation and cell proliferation of autologous and allogenic CD4 + and CD8 + T cells and their secretion of cytokines.
- the suppressive effect of the cells according to the invention depends on STAT3
- the suppressive effect of the cells according to the invention does not depend on direct contacts of cells to cells but of one or more soluble factors.
- the pretreatment of the cells according to the invention with an inhibitor of the phosphorylated form of STAT3 leads to the loss of the suppressive effect, the decrease in the secretion of CCL2 and of IL-6 without interfering with the viability of the cells according to the invention .
- the cells according to the invention protect against the appearance of graft disease against the host
- mice that have received human peripheral blood cells develop clinical signs of graft-versus-host disease between 20 and 30 days after injection and die before the 50th day after injection.
- mice that have co-injected human peripheral blood cells with the cells according to the invention show only weak signs of graft versus host disease and survive this injection.
- the histological lesions of GvHD at the hepatic level are markedly diminished in the group which has received the cells according to the invention.
- T-regulatory lymphocytes represent a population of suppressor cells capable of promoting the specific tolerance of alloantigens.
- the mice which received the cells according to the invention have a larger amount of FoxP3-expressing CD8 + T cells compared to the control mice.
- the same results were observed in vitro after co-culture of a total population of T lymphocytes with the cells according to the invention.
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EP15709517.5A EP3119880A1 (fr) | 2014-03-19 | 2015-03-13 | Traitement de la reponse inflammatoire et dysimmunitaire |
JP2016558124A JP2017509343A (ja) | 2014-03-19 | 2015-03-13 | 炎症性および不適免疫応答の治療 |
US15/127,053 US20170226480A1 (en) | 2014-03-19 | 2015-03-13 | Treatment of inflammatory and dysimmune response |
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FR1452286A FR3018819A1 (fr) | 2014-03-19 | 2014-03-19 | Traitement de la reponse inflammatoire et dysimmunitaire |
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US5866115A (en) * | 1994-04-14 | 1999-02-02 | Klinikum Der Albert-Ludwigs-Universitat Freiburg | Process for preparing dendritic cells, cells thus produced and containers for carrying out this process |
WO2010099576A1 (fr) * | 2009-03-04 | 2010-09-10 | Sydney West Area Health Service | Compositions et procédés d'amélioration des réponses immunitaires |
WO2013010998A2 (fr) * | 2011-07-15 | 2013-01-24 | Fundació Institut D'investigació Biomèdica De Bellvitge (Idibell) | Compositions et procédés d'immunomodulation |
EP2617434A1 (fr) * | 2012-01-20 | 2013-07-24 | Laboratorios Del. Dr. Esteve, S.A. | Immunogènes déficients en intégrase du VIH-1 et procédé pour le chargement de cellules dendritiques avec de tels immunogènes |
US20130195818A1 (en) * | 2010-09-30 | 2013-08-01 | National University Corporation Kumamoto University | Method of producing myeloid blood cells |
WO2013127976A1 (fr) * | 2012-03-02 | 2013-09-06 | Laboratorios Del Dr. Esteve, S.A. | Procédé de préparation de vaccins à cellule dendritique |
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IL139435A0 (en) * | 1998-05-11 | 2001-11-25 | Micromet Ag | Antibodies to dendritic cells and human dendritic cell populations and uses thereof |
DE19850986A1 (de) * | 1998-11-05 | 2000-05-25 | Aventis Pharma Gmbh | Die gentechnische Prägung von Zellen und ihre Verwendung zur Prophylaxe und Therapie von Erkrankungen |
FR2789088A1 (fr) * | 1999-01-29 | 2000-08-04 | Inst Nat Sante Rech Med | Moyens pour induire ou augmenter l'immunogenicite de cellules de leucemies aigues myeloides |
EP1718735A1 (fr) * | 2004-02-11 | 2006-11-08 | Aldagen, Inc. | Populations de cellules souches et procedes d'utilisation |
JP2007536936A (ja) * | 2004-05-14 | 2007-12-20 | ベクトン・ディキンソン・アンド・カンパニー | 幹細胞集団および使用方法 |
WO2008157394A2 (fr) * | 2007-06-13 | 2008-12-24 | La Jolla Institute For Allergy And Immunology | Lymphocytes t régulateurs et procédé pour les préparer et les utiliser |
US20130189741A1 (en) * | 2009-12-07 | 2013-07-25 | Cellscript, Inc. | Compositions and methods for reprogramming mammalian cells |
-
2014
- 2014-03-19 FR FR1452286A patent/FR3018819A1/fr active Pending
-
2015
- 2015-03-13 WO PCT/EP2015/055331 patent/WO2015140077A1/fr active Application Filing
- 2015-03-13 EP EP15709517.5A patent/EP3119880A1/fr not_active Withdrawn
- 2015-03-13 JP JP2016558124A patent/JP2017509343A/ja active Pending
- 2015-03-13 US US15/127,053 patent/US20170226480A1/en not_active Abandoned
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US5866115A (en) * | 1994-04-14 | 1999-02-02 | Klinikum Der Albert-Ludwigs-Universitat Freiburg | Process for preparing dendritic cells, cells thus produced and containers for carrying out this process |
WO2010099576A1 (fr) * | 2009-03-04 | 2010-09-10 | Sydney West Area Health Service | Compositions et procédés d'amélioration des réponses immunitaires |
US20130195818A1 (en) * | 2010-09-30 | 2013-08-01 | National University Corporation Kumamoto University | Method of producing myeloid blood cells |
WO2013010998A2 (fr) * | 2011-07-15 | 2013-01-24 | Fundació Institut D'investigació Biomèdica De Bellvitge (Idibell) | Compositions et procédés d'immunomodulation |
EP2617434A1 (fr) * | 2012-01-20 | 2013-07-24 | Laboratorios Del. Dr. Esteve, S.A. | Immunogènes déficients en intégrase du VIH-1 et procédé pour le chargement de cellules dendritiques avec de tels immunogènes |
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US20170226480A1 (en) | 2017-08-10 |
JP2017509343A (ja) | 2017-04-06 |
FR3018819A1 (fr) | 2015-09-25 |
EP3119880A1 (fr) | 2017-01-25 |
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