THERAPEUTIC CLASS
Genetics of NO Deficiency
Nitric oxide-cyclic guanosine monophosphate (NO-cGMP) deficiency has been associated with an increased risk for cardiovascular disease (CVD).1,2 The term NO-cGMP de-
ficiency refers to conditions that lead to the impaired bioavailability and bioactivity of NO and/or cGMP and involves mechanisms including endothelial NO-synthase (eNOS)
substrate deficiency and/or competition, eNOS defects and/ or uncoupling, endogenous NOS inhibitors (such as asymmetric dimethylarginine [ADMA]), and diminished gen-
eration and/or enhanced degradation of cGMP. These conditions can be either acquired or inherited (genetic).
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