WO2010000900A1 - Inmunosupresor basado en la interrupción de la interacción tcr-nck - Google Patents
Inmunosupresor basado en la interrupción de la interacción tcr-nck Download PDFInfo
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- WO2010000900A1 WO2010000900A1 PCT/ES2009/070239 ES2009070239W WO2010000900A1 WO 2010000900 A1 WO2010000900 A1 WO 2010000900A1 ES 2009070239 W ES2009070239 W ES 2009070239W WO 2010000900 A1 WO2010000900 A1 WO 2010000900A1
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- lymphocytes
- compound
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- cbm
- diseases
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Classifications
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- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
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Definitions
- the present invention relates to a compound of structural formula (I)
- (i) and its derivatives for use as a medicine.
- an immunosuppressive agent based on the interruption of the TCR-Nck interaction.
- T lymphocytes play a central role in the rejection of allotransplants and, more or less directly, in the generation of autoimmune diseases. Therefore, current immunosuppressive drugs base their mechanism of action on the inhibition of T lymphocyte activation. These immunosuppressants have high toxicity, because they do not specifically inhibit lymphocyte pathways.
- T lymphocytes are activated through the antigen receptor (TCR) that recognizes the major histocompatibility complex (MHC) of the transplanted organ as foreign.
- TCR antigen receptor
- MHC major histocompatibility complex
- the TCR consists of 6 subunits, two of which (TCR ⁇ and TCR ⁇ ) are responsible for the recognition of MHC bound to antigenic peptides, while the other four (CD3 ⁇ , CD3 ⁇ , CD3 ⁇ and CD3 ⁇ ) are responsible for Ia Signal transmission to the lymphocyte cytoplasm (reviewed in Alarcon, B., Gil, D., Delgado, P. and Schamel, WW (2003) Immunol Rev, 191, 38-46).
- the present invention provides a more specific immunosuppressive compound of T lymphocytes and with fewer side effects than currently existing, based on the interruption of the TCR-Nck interaction.
- the conformational change in the TCR which occurs after the binding of stimulatory antibodies and MHC, was first revealed by a "pull-down" test, where the TCR is induciblely bound to a matrix of the fusion protein GST-Nck.
- This biochemical test does not allow identifying individually those cells whose TCR is undergoing conformational change.
- the authors of the present invention demonstrated that the APA1 / 1 antibody also recognizes conformational change (Risue ⁇ o, RM, Gil, D., Fernandez, E., Sánchez-Madrid, F. and Alarcon, B.
- the antibody can be used in preparations of T lymphocytes in culture and also in immunohistochemical sections. This reagent allows to demonstrate by another procedure other than "pull-down" the existence of the conformational change, in addition to demonstrating that Conformational change occurs in vivo.
- the antibody recognizes immune synapses formed between T lymphocytes and antigen presenting cells loaded with an agonist peptide, but not synapses formed by a partial agonist / antagonist.
- the only known consequence of the conformational change in the TCR is the exposure of the PRS in CD3 ⁇ , although it is not ruled out that the conformational change is also transmitted to the cytoplasmic regions of the other CD3 subunits and globally influences the entire process of initiation of signal transmission by the TCR, including the tyrosine phosphorylation of the ITAMs (Minguet, S., Swamy, M., Alarcon, B., Luescher, IF and Schamel, WW (2007) Immunity., 26 , 43-54).
- this peptide it is possible to specifically inhibit the proliferation of both human CD4 + and CD8 + T cells in response to the stimulation with anti-CD3 antibodies, with an IC50 of approximately 20 ⁇ M, while the proliferation of human T lymphocytes dependent on a Different receptor, IL2R, is practically unaffected by said peptide, even at concentrations 3 times higher.
- peptide 11 R085 inhibits the activation initiated by the TCR but no activation mediated by another receptor, and therefore, is specific to the molecular target for which it is designed.
- Peptide 11 R085 also inhibits the production of IL2 and antigen-induced proliferation in primary lymphocytes of transgenic OT-I mice with an IC50 of approximately 5 ⁇ M.
- the Nck-CD3 ⁇ interaction as a molecular target for the development of immunosuppressants is thus validated.
- CBM-1 inhibits the proliferation of human T lymphocytes induced by anti-CD3 antibodies but not the IL2-dependent proliferation. Likewise, it inhibits the proliferation of antigen-dependent mouse T lymphocytes and also inhibits the release of IL2.
- human lymphocytes stimulated with anti-CD3 and anti-CD28 antibodies it inhibits the production of IFN ⁇ , IL-10 and TNF ⁇ , as well as the generation of human IFN ⁇ producing cells in response to anti-CD3 and anti-CD28.
- a first aspect of the present invention refers to a compound of formula (I):
- optical isomers or enantiomers caused by the presence of chiral centers (atoms attached to four different substituents) that cause the differentiation between enantiomers with respect to their optical activity (rotation of the polarized light when passing through a solution of the enantiomer),
- pro-drugs of the compounds of formula (I), any derivative (for example, esters, carbamates, amides etc.), which, when administered to an individual, is capable of providing, directly or indirectly, one or several of the compounds of said formula (I).
- crystalline forms of the compounds of formula (I) in the free state or as solvates.
- solvate includes both solvates that can be used in the composition of a medicament, and solvates useful in the preparation of said medicament. Solvates can be obtained by conventional solvation methods well known in the state of the art.
- salts are understood to mean both those that are pharmaceutically acceptable and those that are not pharmaceutically acceptable but which may also be useful in the preparation of drugs, so that all salts of the compounds of the invention are either Non-pharmaceutically acceptable are included in the scope of the present invention.
- those compounds of the invention that contain one or more isotopically enriched atoms are included in the definition of "derivatives".
- the compound of formula (I) is capable of binding to the N3 SH3.1 domain, interrupting the TCR-Nck interaction and therefore, is a T-lymphocyte-specific immunosuppressive compound, which has clear advantages. compared to other immunosuppressants, among others, cause fewer side effects.
- one aspect of the invention is the use of the compound of structural formula (I) or any of its derivatives to prepare a medicament for the treatment and / or prevention of diseases that occur with the hyperproliferation of T lymphocytes.
- these diseases are autoimmune diseases, diseases that occur with rejection of allotransplants or xenotransplants of organs or tissues, or lymphomas and / or T leukemias.
- autoimmune diseases are those where the activation of T lymphocytes plays an important role in the induction phase and / or in the effector phase, and more preferably systemic autoimmune diseases as specific to the organ of the list comprising: multiple sclerosis and varieties, systemic lupus erythematosus, psoriasis, vitiligo, rheumatoid arthritis, asthma, psoriasis, autoimmune hepatitis, type I diabetes, myasthenia gravis, ankylosing spondylitis, Crohn's disease, etc.
- Another aspect of the invention is directed to a pharmaceutical composition
- a pharmaceutical composition comprising the compound of structural formula (I), or any of its derivatives described above, and a pharmaceutically acceptable excipient.
- compositions described above can be presented in a pharmaceutical form by oral administration, either in solid form (eg, tablets, dragees, capsules, etc.) or in liquid form (eg, solutions, suspensions, emulsions, etc.) , parenterally (eg, intramuscular, subcutaneous, intravenous, etc.), rectal, or any other form of clinically permitted administration and in a therapeutically effective amount.
- oral administration either in solid form (eg, tablets, dragees, capsules, etc.) or in liquid form (eg, solutions, suspensions, emulsions, etc.) , parenterally (eg, intramuscular, subcutaneous, intravenous, etc.), rectal, or any other form of clinically permitted administration and in a therapeutically effective amount.
- compositions are the vehicles usually used in the state of the art.
- the pharmaceutical composition provided by this invention may be provided by any route of administration, for which said composition will be formulated in the pharmaceutical form suitable to the route of administration chosen.
- FIG. Model of the SH3.1 domain and virtual screening of compounds with binding potential.
- FIG 2. Selective effect of the compounds resulting from virtual screening in the proliferation induced by anti-CD3. Proliferation evaluated by flow cytometry according to the loss of green fluorescence (CFSE) within the CD8 + population.
- the different compounds are represented by the NSI code followed by a number.
- CBM-1 is the compound NSI-65.
- FIG. Selective effect of the CBM-1 compound on the proliferation induced by anti-CD3.
- FIG 4. Inhibition of cytokine release by CBM-1.
- CBM-1 inhibition of cytokine secretion by human T lymphocytes in response to stimulation with anti-CD3 antibodies Purified peripheral blood mononuclear cells (PBMNC) from healthy donors were stimulated for 72 h on plates coated with the anti-CD3 OKT3 antibody in the presence of different doses of CBM-1.
- the concentration in the supernatant of the indicated cytokines (IL-10, IFN- ⁇ , and TFN- ⁇ ) was evaluated by multiparameter flow cytometry (BD cytometric bead array).
- the CBM-1 compound showed no effect on the release of IL5, IL1- ⁇ and IL6, while IL2 and IL4 were not detectable.
- FIG. Inhibition of intracellular production of IFN ⁇ .
- Intracellular expression of IFN ⁇ in response to stimulation with a mixture of anti-CD3 and anti-CD28 The expression of Intracellular IFN ⁇ (as a product of the percentage of positive cells and the average fluorescence) as a function of the concentration of the CBM-1 compound.
- FIG 6. NMR structure of the SH3.1 domain and displacements produced after the binding of the high affinity peptide 11 R085.
- NMR structure of the SH3.1 domain of Nck ⁇ (A). The five ⁇ sheets are numbered consecutively. N and C indicate the amino- and carboxy-terminal ends, respectively.
- B Comparison of the residues displaced by the binding of the high affinity peptide 11 R085 to the SH3.1 domain of Nck ⁇ (in black), with the corresponding residues of Nck ⁇ .
- FIG. Structure by NMR of the SH3.1 domain and displacements produced after the binding of CBM-1.
- FIG. CBM-1 toxicity.
- FIG 9 Comparison of the primary sequence of the SH3.1 domain of Nck ⁇ with those of the SH3.1 domain of Nck ⁇ , as well as those of the SH3.2 and SH3.3 domains of Nck ⁇ .
- purified PBMNC from healthy donors were labeled by fluorescence and incubated for 5 days on plates coated with the anti-CD3 OKT3 antibody in the presence of different doses of said compounds.
- the proliferation of T lymphocytes was evaluated by flow cytometry according to the loss of green fluorescence (CFSE) within the CD8 + population.
- CFSE green fluorescence
- CBM-1 compound of structural formula (I)
- Figure 2 Figure 2 (FIG 2), where CBM-1 is represented by the compound NSI-65.
- Purified PBMNC from healthy donors were labeled with CFSE and incubated for 5 days on plates coated with the OKT3 anti-CD3 antibody in the presence of different doses of various indicated compounds, including CBM-1. Proliferation was evaluated by flow cytometry according to the loss of green fluorescence (CFSE) within the CD4 + and CD8 + populations. An IL2-dependent human lymphoblast proliferation experiment was performed in parallel. Purified PBMNC from healthy donors were stimulated with PHA for 48 h and labeled with CFSE. Subsequently, they were cultured for 3 days in the presence of 100 ILJ / ml of recombinant human IL2 in the presence of the concentrations of the compounds used, particularly CBM-1.
- CFSE green fluorescence
- the CBM-1 compound inhibited anti-CD3 induced proliferation of CD4 + lymphocytes with an IC50 of 2 ⁇ M and that of CD8 + lymphocytes with an IC50 of 3 ⁇ M (FIG. 3).
- the inhibitory effect of other compounds was slightly lower.
- CBM-1 did not significantly inhibit IL2-dependent human lymphoblast proliferation at concentrations of 20 ⁇ M, indicating that its specificity against proliferation dependent on TCR activation but does not prevent IL2R-dependent. This data supports a mechanism of selective action on the TCR.
- the effect of the CBM-1 compound on the production of cytokines was measured in an assay in which human PBMNC were stimulated with anti-CD3 antibodies. The supernatant of these cells was collected at 72 h and several cytokines were measured simultaneously by a flow cytometry assay. These experiments demonstrated that the compound had a potent inhibitory effect on Th1 cytokines such as IFN ⁇ (IC50 of 0.3 ⁇ M), TNF ⁇ (IC50 of 0.2 ⁇ M) and IL10 (IC50 of 0.2 ⁇ M) and had no effect on Ia IL5 and IL6 production to concentrations of 30 ⁇ M (FIG 4).
- IFN ⁇ IC50 of 0.3 ⁇ M
- TNF ⁇ IC50 of 0.2 ⁇ M
- IL10 IL10
- the compound joins in a hydrophobic pocket in which Trp41 and Tyr50 / Phe53 residues participate, causing distortion and displacement of the ⁇ 2 sheet and residues in the distal loop (FIG. 7 and FIG. 9).
- the displacements of residues in the SH3.1 domain validate the prediction about the interaction of the SH3.1 domain with CBM-1 at the molecular level and are consistent with the model.
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Abstract
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Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/001,914 US8614231B2 (en) | 2008-06-30 | 2009-06-18 | Immunosuppressor based on the blockage of TCR-Nck interaction |
BRPI0910145-4A BRPI0910145A2 (pt) | 2008-06-30 | 2009-06-18 | composto de fórmula (i) e qualquer um dos seus derivados, uso do composto, composição farmacêutica, e, uso da composição farmacêutica |
ES09772589.9T ES2565082T3 (es) | 2008-06-30 | 2009-06-18 | Inmunosupresor basado en la interrupción de la interacción TCR-Nck |
DK09772589.9T DK2308860T3 (da) | 2008-06-30 | 2009-06-18 | Immunosuppressor baseret på afbrydelse af tcr-nck-interaktion |
JP2011515490A JP5426670B2 (ja) | 2008-06-30 | 2009-06-18 | TCR−Nckの相互作用のブロックに基づく免疫抑制剤 |
PL09772589T PL2308860T3 (pl) | 2008-06-30 | 2009-06-18 | Immunosupresant bazujący na przerwaniu interakcji tcr-nck |
CN2009801255058A CN102083809B (zh) | 2008-06-30 | 2009-06-18 | 基于阻断TCR-Nck相互作用的免疫抑制物 |
EP09772589.9A EP2308860B1 (en) | 2008-06-30 | 2009-06-18 | Immunosuppressor based on the interruption of tcr-nck interaction |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200801964A ES2331451B1 (es) | 2008-06-30 | 2008-06-30 | Inmunosupresor basado en la interrupcion de la interaccion tcr-nck. |
ESP200801964 | 2008-06-30 |
Publications (1)
Publication Number | Publication Date |
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WO2010000900A1 true WO2010000900A1 (es) | 2010-01-07 |
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PCT/ES2009/070239 WO2010000900A1 (es) | 2008-06-30 | 2009-06-18 | Inmunosupresor basado en la interrupción de la interacción tcr-nck |
Country Status (9)
Country | Link |
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US (1) | US8614231B2 (es) |
EP (1) | EP2308860B1 (es) |
JP (1) | JP5426670B2 (es) |
CN (1) | CN102083809B (es) |
BR (1) | BRPI0910145A2 (es) |
DK (1) | DK2308860T3 (es) |
ES (2) | ES2331451B1 (es) |
PL (1) | PL2308860T3 (es) |
WO (1) | WO2010000900A1 (es) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103189367A (zh) * | 2010-09-28 | 2013-07-03 | 西班牙高等科研理事会 | 色烯衍生物 |
US10106518B2 (en) | 2013-10-18 | 2018-10-23 | Artax Biopharma Inc. | Chromene derivatives as inhibitors of TCR-Nck interaction |
US10131647B2 (en) | 2013-10-18 | 2018-11-20 | Artex Biopharma Inc. | Chromene derivatives substituted by alkoxide as inhibitors of the TCR-Nck interaction |
US11807633B2 (en) | 2018-02-27 | 2023-11-07 | Artax Biopharma Inc. | Chromene derivatives as inhibitors of TCR-Nck interaction |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US11046745B2 (en) | 2015-07-14 | 2021-06-29 | BioNTech SE | Peptide mimotopes of the CD3 T-cell co-receptor epsilon chain and uses thereof |
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WO2003062272A1 (es) * | 2002-01-24 | 2003-07-31 | Consejo Superior De Investigaciones Científicas | Nueva estrategia moduladora de la activacion de los linfocitos t basada en la regulación de la interaccion cd3e- nck. |
PE20040079A1 (es) * | 2002-04-03 | 2004-04-19 | Novartis Ag | Derivados de indolilmaleimida |
-
2008
- 2008-06-30 ES ES200801964A patent/ES2331451B1/es active Active
-
2009
- 2009-06-18 DK DK09772589.9T patent/DK2308860T3/da active
- 2009-06-18 EP EP09772589.9A patent/EP2308860B1/en not_active Not-in-force
- 2009-06-18 PL PL09772589T patent/PL2308860T3/pl unknown
- 2009-06-18 ES ES09772589.9T patent/ES2565082T3/es active Active
- 2009-06-18 BR BRPI0910145-4A patent/BRPI0910145A2/pt not_active Application Discontinuation
- 2009-06-18 US US13/001,914 patent/US8614231B2/en not_active Expired - Fee Related
- 2009-06-18 CN CN2009801255058A patent/CN102083809B/zh not_active Expired - Fee Related
- 2009-06-18 JP JP2011515490A patent/JP5426670B2/ja not_active Expired - Fee Related
- 2009-06-18 WO PCT/ES2009/070239 patent/WO2010000900A1/es active Application Filing
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103189367A (zh) * | 2010-09-28 | 2013-07-03 | 西班牙高等科研理事会 | 色烯衍生物 |
JP2013537899A (ja) * | 2010-09-28 | 2013-10-07 | コンセホ・スペリオール・デ・インベスティガシオネス・シエンティフィカス | クロメン誘導体 |
EP2623503A4 (en) * | 2010-09-28 | 2014-03-05 | Consejo Superior Investigacion | CHROME DERIVATIVES |
CN103189367B (zh) * | 2010-09-28 | 2016-06-08 | 西班牙高等科研理事会 | 色烯衍生物 |
AU2011310078B2 (en) * | 2010-09-28 | 2016-12-15 | Consejo Superior De Investigaciones Cientificas (Csic) | Chromene derivatives |
KR101800919B1 (ko) | 2010-09-28 | 2017-11-23 | 콘세호 수페리오르 데 인베스티가시오네스 시엔티피카스 씨.에스.아이.씨. | 크로먼 유도체들 |
US10106518B2 (en) | 2013-10-18 | 2018-10-23 | Artax Biopharma Inc. | Chromene derivatives as inhibitors of TCR-Nck interaction |
US10131647B2 (en) | 2013-10-18 | 2018-11-20 | Artex Biopharma Inc. | Chromene derivatives substituted by alkoxide as inhibitors of the TCR-Nck interaction |
US11807633B2 (en) | 2018-02-27 | 2023-11-07 | Artax Biopharma Inc. | Chromene derivatives as inhibitors of TCR-Nck interaction |
US12319675B2 (en) | 2018-02-27 | 2025-06-03 | Artax Biopharma Inc. | Chromene derivatives as inhibitors of TCR-Nck interaction |
Also Published As
Publication number | Publication date |
---|---|
CN102083809B (zh) | 2013-10-09 |
JP2011526607A (ja) | 2011-10-13 |
ES2331451B1 (es) | 2010-10-21 |
ES2565082T3 (es) | 2016-03-31 |
BRPI0910145A2 (pt) | 2020-08-25 |
EP2308860A4 (en) | 2012-01-18 |
EP2308860B1 (en) | 2015-10-14 |
EP2308860A1 (en) | 2011-04-13 |
CN102083809A (zh) | 2011-06-01 |
JP5426670B2 (ja) | 2014-02-26 |
US8614231B2 (en) | 2013-12-24 |
DK2308860T3 (da) | 2016-01-25 |
ES2331451A1 (es) | 2010-01-04 |
US20120135041A1 (en) | 2012-05-31 |
PL2308860T3 (pl) | 2016-05-31 |
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