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Screening for compounds having immunosuppressant activity by testing impact on leukocyte-specific calcium fluxes
Screening for compounds having immunosuppressant activity by testing impact on leukocyte-specific calcium fluxes
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机译:通过测试对白细胞特异性钙通量的影响来筛选具有免疫抑制活性的化合物
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摘要
The invention relates to an assay for the identification of a compound having immunosuppressant activity, wherein a candidate compound is analyzed whether it blocks the Ca2+ flux in coronin 1 expressing cells and/or in coronin 1 negative cells. A candidate compound is identified as having immunosuppressant activity if it blocks the Ca2+ flux specifically in coronin 1 expressing cells. Further described are upstream assays wherein the impact of a candidate compound on coronin 1 trimerization is measured, and downstream assays wherein the impact of a candidate compound on diacyl glycerol (DAG) generation, phosphatidylinositol-4,5-biphosphate (PIP2) levels and/or inositol-1,4,5-triphosphate (InsP3) generation or on nuclear factor of activated T cells (NFAT) nuclear localization is determined.
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