No label defined (Q3140535)

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Revision as of 13:12, 12 October 2021 by DG Regio (talk | contribs) (‎Created claim: summary (P836): The number of patients in whom there is a failure of immune tolerance mechanisms — whether due to autoimmune diseases, serious allergies or rejection of transplants — is high, and increasing in Europe. These patients are treated with non-specific immunomodolators/suppressants that can irreversibly alter the immune system and cause serious side effects. In this project we aim to identify molecules and signaling pathways, involved in the induction...)
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Project Q3140535 in Spain
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Project Q3140535 in Spain

    Statements

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    42,500.0 Euro
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    85,000.0 Euro
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    50.0 percent
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    1 January 2018
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    31 March 2021
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    FUNDACION INSTITUTO DE INVESTIGACION EN CIENCIAS DE LA SALUD GERMANS TRIAS I PUJOL
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    41°26'57.66"N, 2°14'53.70"E
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    08015
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    El número de pacientes en los que existe un fallo de los mecanismos de tolerancia inmunológica- bien sea por enfermedades autoinmunes, alergias graves o rechazo de trasplantes- es elevado, e incrementando en Europa. Estos pacientes son tratados con fármacos inmunomodoladores/supresores inespecíficos que pueden alterar el sistema inmunológico de forma irreversible y provocar efectos secundarios graves. En este proyecto pretendemos identificar moléculas y vías de señalización, implicadas en la inducción de tolerancia inmunológica, para su posible aplicación terapéutica. Planteamos: 1. Definir y validar nuevas vías y moléculas implicadas en la función tolerogénica de células dendríticas tolerogénicas (tolDC-vitD3): a) Analizar la expresión diferencial de un grupo de moléculas candidatas: CD115, CD163, CD209 y GEN1 en tolDC-vitD3 vs DC maduras (inmunogénicas)(qPCR y citometría de flujo); b) Analizar la funcionalidad in vitro de estas moléculas a partir de su silenciamiento ó downmodulación (siRNA), en un modelo in vitro de inhibición de proliferación alogénica. 2.- Demostrar in vivo la relevancia de las moléculas y vías de señalización identificadas en la inducción de tolerancia: determinar el efecto de tolDC-vitD3 con silenciamiento génico de CD115, CD163, CD209 y GEN1 (de forma independiente o combinada) en un modelo experimental de autoinmunidad (encefalitis autoinmune experimental) y validar los resultados en un modelo experimental de cáncer de mama. 3.- Una vez demostrada la funcionalidad de estas moléculas/vías en la inducción de tolerancia, por medio de análisis bioinformático (drug repositioning), identificar fármacos que interaccionen con ellas. (Spanish)
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    The number of patients in whom there is a failure of immune tolerance mechanisms — whether due to autoimmune diseases, serious allergies or rejection of transplants — is high, and increasing in Europe. These patients are treated with non-specific immunomodolators/suppressants that can irreversibly alter the immune system and cause serious side effects. In this project we aim to identify molecules and signaling pathways, involved in the induction of immunological tolerance, for possible therapeutic application. We propose: 1. Define and validate new pathways and molecules involved in the tolerogenic function of tolerogenic dendritic cells (tolDC-vitD3): analyse the differential expression of a group of candidate molecules: CD115, CD163, CD209 and GEN1 in mature tolDC-vitD3 vs DC (immunogenic)(qPCR and flow cytometry); B) Analyse the in vitro functionality of these molecules from their silencing or downmodulation (siRNA), in an in vitro allogeneic proliferation inhibition model. 2.- Demonstrate in vivo the relevance of the molecules and signaling pathways identified in the induction of tolerance: determine the effect of tolDC-vitD3 with gene silencing of CD115, CD163, CD209 and GEN1 (independent or combined) on an experimental autoimmunity model (experimental autoimmune encephalitis) and validate the results in an experimental model of breast cancer. 3.- Once the functionality of these molecules/paths has been demonstrated in the induction of tolerance, by means of bioinformatics analysis (drug repositioning), identify drugs that interact with them. (English)
    12 October 2021
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    Badalona
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    Identifiers

    PI17_01521
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