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Product Details
Okadaic acid,78111-17-8,IC-0233789
Okadaic acid is a marine sponge toxin which potently inhibits certain serine/threonine protein phosphatases. This cell permeable inhibitor targets the multiple isoforms of PP1 (IC50 = 10-50 nM), both isoforms of PP2A (IC50 = 0.5 nM) and PP3 (IC50 = 4 nM).[1],[2],[3] It is a very weak inhibitor of PP2B (IC50 > 2 μM) and does not inhibit PP2C or other phosphatases.[1],[3 ]Presumably through these actions, okadaic acid is a potent carcinogen and induces tau phosphorylation.[4],[5] In sponge, okadaic acid plays a role in defense, inducing apoptosis in symbiotic or parasitic annelids.[6]
Okadaic acid is a marine sponge toxin which potently inhibits certain serine/threonine protein phosphatases. This cell permeable inhibitor targets the multiple isoforms of PP1 (IC50 = 10-50 nM), both isoforms of PP2A (IC50 = 0.5 nM) and PP3 (IC50 = 4 nM).[1],[2],[3] It is a very weak inhibitor of PP2B (IC50 > 2 μM) and does not inhibit PP2C or other phosphatases.[1],[3 ]Presumably through these actions, okadaic acid is a potent carcinogen and induces tau phosphorylation.[4],[5] In sponge, okadaic acid plays a role in defense, inducing apoptosis in symbiotic or parasitic annelids.[6]
