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The antibody detects endogenous levels of total CATSPER1 protein.
Voltage-gated calcium channel that plays a central role in calcium-dependent physiological responses essential for successful fertilization, such as sperm hyperactivation, acrosome reaction and chemotaxis towards the oocyte. Activated by extracellular progesterone and prostaglandins following the sequence: progesterone > PGF1-alpha = PGE1 > PGA1 > PGE2 >> PGD2. The primary effect of progesterone activation is to shift voltage dependence towards more physiological, negative membrane potentials; it is not mediated by metabotropic receptors and second messengers. Sperm capacitation enhances the effect of progesterone by providing additional negative shift. Also activated by the elevation of intracellular pH.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: Cation channel sperm-associated protein 1; cation channel, sperm associated 1; CatSper1; hCatSper; sperm ion channel; sperm-associated cation channel 1
基因别名: CATSPER; CATSPER1; SPGF7
UniProt ID: (Human) Q8NEC5
Entrez Gene ID: (Human) 117144