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APETx2 ASIC3 selective inhibitor

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  • 产品名称:APETx2 ASIC3 selective inhibitor
  • 产品型号:07APE002-00100
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产品描述
APETx2 ASIC3 selective inhibitor APETx2 is a toxin that was originally isolated from Anthopleura elegantissima (Sea anemone). APETx2 selectively blocks the H(+)-gated sodium channel ASIC3 (ACCN3). The blockage is rapid and reversible. This toxin does not block isoform ASIC1a (unlike Psalmotoxin 1) and isoform ASIC1b of ASIC1 (ACCN2), nor ASIC2 (ACCN1). It also inhibits the heteromeric ASIC2b-ASIC3 channel, and has less affinity for ASIC1b-ASIC3, ASIC1a-ASIC3, and no effect on the ASIC2a-ASIC3 channels. IC50 is 63 nM on ASIC3 channel. IC50 is 117 nM on ASIC2b-ASIC3 heteromeric channel. IC50 is 0.9 µM on ASIC1b-ASIC3 heteromeric channel. IC50 is 2 µM on ASIC1a-ASIC3 heteromeric channel. Interestingly, recent studies demonstrated that APETx2 also inhibits Nav1.8 currents with an IC50 of around 2 µM.
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