IndraLab

Statements


PKA inhibits KCNH2. 4 / 4
| 4

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"It has been demonstrated in the Xenopus laevis oocyte expression system that PKA can reduce hERG currents via direct phosphorylation of all four putative PKA consensus sites XREF_BIBR."

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"Furthermore, broad-specificity inhibitors of protein kinase A (PKA) or protein kinase C (PKC) failed to stimulate hERG down-regulation in the presence or absence of ouabain (unpublished data), suggesting that glycoside induced down-regulation of hERG is independent of PKA- and PKC dependent phosphorylation."

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"Furthermore, broad-specificity inhibitors of protein kinase A (PKA) or protein kinase C (PKC) failed to stimulate hERG down-regulation in the presence or absence of ouabain (unpublished data), suggesting that glycoside induced down-regulation of hERG is independent of PKA- and PKC dependent phosphorylation."

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"HERG current may be decreased by cAMP dependent activation of PKA; however, a putative direct binding of cAMP to the channel causes opposite effects."