Abstract: 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.

Abstract: The invention relates to the treatment of mycobacterial infections, autoimmune disorders, lymphoproliferative disorders and induction of immunosuppression following transplantation using coronin 1 and modulators of coronin 1. Particular modulators of coronin 1 are compounds which inhibit the production of coronin 1 or the formation of active coronin 1 from a coronin 1 precursor, partly or entirely inactivate coronin 1, inhibit concentration of coronin 1 at the site of T cell activation, or inhibit the coronin 1 mediated signaling pathway downstream of the T cell receptor. Examples of such modulators are antibody or antibody fragments, coronin 1 peptide fragments or corresponding phosphopeptides, or anti-sense oligonucleotides, e.g. siRNA or shRNA.

Abstract: The invention relates to the treatment of mycobacterial infections, autoimmune disorders, lymphoproliferative disorders and induction of immunosuppression following transplantation using coronin 1 and modulators of coronin 1. Particular modulators of coronin 1 are compounds which inhibit the production of coronin 1 or the formation of active coronin 1 from a coronin 1 precursor, partly or entirely inactivate coronin 1, inhibit concentration of coronin 1 at the site of T cell activation, or inhibit the coronin 1 mediated signaling pathway downstream of the T cell receptor. Examples of such modulators are antibody or antibody fragments, coronin 1 peptide fragments or corresponding phosphopeptides, or anti-sense oligonucleotides, e.g. siRNA or shRNA.

Abstract: The invention relates to the treatment of mycobacterial infections, autoimmune disorders, lymphoproliferative disorders and induction of immunosuppression following transplantation using coronin 1 and modulators of coronin 1. Particular modulators of coronin 1 are compounds which inhibit the production of coronin 1 or the formation of active coronin 1 from a coronin 1 precursor, partly or entirely inactivate coronin 1, inhibit concentration of coronin 1 at the site of T cell activation, or inhibit the coronin 1 mediated signaling pathway downstream of the T cell receptor. Examples of such modulators are antibody or antibody fragments, coronin 1 peptide fragments or corresponding phosphopeptides, or anti-sense oligonucleotides, e.g. siRNA or shRNA.

Abstract: 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.

Abstract: The invention relates to the treatment of mycobacterial infections, autoimmune disorders, lymphoproliferative disorders and induction of immunosuppression following transplantation using coronin 1 and modulators of coronin 1. Particular modulators of coronin 1 are compounds which inhibit the production of coronin 1 or the formation of active coronin 1 from a coronin 1 precursor, partly or entirely inactivate coronin 1, inhibit concentration of coronin 1 at the site of T cell activation, or inhibit the coronin 1 mediated signaling pathway downstream of the T cell receptor Examples of such modulators are antibody or antibody fragments, coronin 1 peptide fragments or corresponding phosphopeptides, or anti-sense oligonucleotides, e.g. siRNA or shRNA.