The image on the left is immunohistochemistry of paraffin-embedded Human thyroid cancer tissue using CSB-PA669752(CATSPER1 Antibody) at dilution 1/40, on the right is treated with fusion protein. (Original magnification: ×200)
The image on the left is immunohistochemistry of paraffin-embedded Human prostate cancer tissue using CSB-PA669752(CATSPER1 Antibody) at dilution 1/40, on the right is treated with fusion protein. (Original magnification: ×200)
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貨期:
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用途:
For Research Use Only. Not for use in diagnostic or therapeutic procedures.
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.
基因功能參考文獻:
explored whether steroid hormones to which human spermatozoa are exposed in the male and female genital tract influence CatSper activation via modulation of ABHD2 PMID: 28507119
Electrophysiological studies showed a significant increase in Cd(2+) and manganese (Mn(2+)) currents through the CaV3.1 mutants as well as a reduction in the inhibitory effect of Cd(2+) on the Ca(2+) current. PMID: 27134080
Sperm with a near absence of CatSper current failed to respond to activation of CatSper by progesterone and there was fertilization failure at IVF. PMID: 26453676
The role of CATSPER1 in idiopathic asthenospermia pathogenesis: exonal SNP rs1893316 in CATSPER1 significantly correlated with idiopathic asthenospermia risk PMID: 26354096
Sox5 and Sox9 cause a significant increase in transactivation of the Catsper1 promoter. PMID: 25101494
Progesterone via CatSper activates the PI3K-AKT pathway required for motility and hyperactivation but not for acrosome reaction. PMID: 23623968
The immediate upstream region and the first exon in the human CATSPER1 gene negatively regulate transcriptional activity. PMID: 23313885
This work reports the cloning and characterization of the promoter regions in the human and murine Catsper1 genes. The immediate upstream region and the first exon in the human CATSPER1 gene negatively regulate transcriptional activity. The mouse Catsper1 promoter exhibited transcriptional activity in both orientations and displayed significant expression levels in mouse testis in vivo. PMID: 23313885
CatSper is indeed the principal Ca2+ channel of human spermatozoa, and that it is strongly potentiated by progesterone. PMID: 23530196
CatSper activation can elicit functionally different behaviors according to the sensitivity of the Ca(2+) store, which may be regulated by capacitation and NO from the cumulus. PMID: 23344959
It was shown that odorants directly activate CatSper without involving G protein-coupled receptors and cAMP. Membrane-permeable analogues of cyclic nucleotides activated CatSper directly via an extracellular site. PMID: 22354039
The decreased or abnormal expression of the CatSper1 protein may be a factor involved in the pathogenesis of idiopathic asthenozoospermia. PMID: 21404705
progesterone activates the sperm-specific, pH-sensitive CatSper Ca(2+) channel PMID: 21412338
human CatSper is synergistically activated by elevation of intracellular pH and extracellular progesterone PMID: 21412339
Studies indicate that CATSPER channel represents a novel human male fertility factor. PMID: 20648059
Potential role for CatSper in sperm motility and fertility in mouse and human. CatSper is therefore implicated as a potential target to explore the molecular mechanisms of male infertility. PMID: 14688170
CATSPER1 is meiotically and post-meiotically expressed in human testis tissue. PMID: 16625279
CatSper1 and CatSper2 can associate with and modulate the function of the Ca(v)3.3 channel, which might be important in the regulation of sperm function. PMID: 16740636
CatSper1 may be a potential target for immunocontraception, and the antibody may be a tool to study the function of ion channels in sperm. PMID: 18976756
sequence analysis of CATSPER1 in heritable forms of nonsyndromic male infertility revealed two separate insertion mutations (c.539-540insT and c.948-949insATGGC) that are predicted to lead to frameshifts and premature stop codons PMID: 19344877
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相關疾病:
Spermatogenic failure 7 (SPGF7)
亞細胞定位:
Cell projection, cilium, flagellum membrane; Multi-pass membrane protein. Note=Specifically located in the principal piece of sperm tail.
蛋白家族:
Cation channel sperm-associated (TC 1.A.1.19) family