胱天蛋白酶14

胱天蛋白酶14（英语：Caspase 14）是一种在人类中由CASP14基因编码的酶。 胱天蛋白酶14属于胱天蛋白酶家族的成员。胱天蛋白酶的连续激活在细胞凋亡的执行阶段发挥着核心作用。胱天蛋白酶以无活性的酶原形式存在，在保守的天冬氨酸残基处经历蛋白水解加工，产生一大一小两个亚基，然后二聚化形成活性酶。该酶已被证明在体外被胱天蛋白酶8和10加工和激活，而在体内则被抗Fas激动剂抗体或TNF相关凋亡诱导配体加工和激活。这种胱天蛋白酶的表达和加工可能参与角质形成细胞终末分化，这对于皮肤屏障的形成很重要。 根据人类蛋白质图谱（英语：Human Protein Atlas），CASP14蛋白在人类皮肤中富集，主要表达于表皮上层。根据细胞图谱，该蛋白质主要定位于细胞质。 蛋白酶解图谱（英语：The Proteolysis Map） 胱天蛋白酶 對Caspase 14起作用的藥物；在維基數據上查看/編輯參考.  GRCh38: Ensembl release 89: ENSG00000105141 - Ensembl, May 2017 GRCm38: Ensembl release 89: ENSMUSG00000005355 - Ensembl, May 2017 Human PubMed Reference:. National Center for Biotechnology Information, U.S. National Library of Medicine.  Mouse PubMed Reference:. National Center for Biotechnology Information, U.S. National Library of Medicine.  Van de Craen M, Van Loo G, Pype S, Van Criekinge W, Van den brande I, Molemans F, Fiers W, Declercq W, Vandenabeele P. Identification of a new caspase homologue: caspase-14. Cell Death Differ. May 1999, 5 (10): 838–46. 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