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KCNMA1 activates PRKG. 1 / 1
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"Notably, direct application of H 2 O 2 (30 muM) increased Ca 2+ spark frequency in VSMCs from wild-type mice, but did not increase BK channel currents in these same cells treated with ryanodine to block Ca 2+ sparks, further supporting the conclusion that oxidant activated PKG increases BK channel mediated vasodilation of arteries through an increase in Ca 2+ spark frequency rather than a direct effect on the BK channel."