| 摘要 |
There is provided a method of screening for substance that inhibits cell death induced by activation of PARP, particularly a substance that is useful as a therapeutic and/or preventive agent for rheumatoid arthritis, neuronal death at the time of cerebral ischemia, cell death of the heart after myocardial infarction reperfusion, autoimmune destruction of beta-cells of pancreatic islets of Langerhans, cell death after shock, or inflammatory reaction by immunocyte death. Also provided are a novel protein and a novel gene encoding the same. The aforementioned screening method comprises a step of allowing a test substance to contact a cell expressing an LTRPC2 protein under a conditions such that the LTRPC2 protein can be activated, and a step of analyzing inhibition of LTRPC2 protein activation. The aforementioned novel protein is a rat or mouse LTRPC2 protein, and the aforementioned novel gene is a rat or mouse LTRPC2 gene.
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