Mutant Phosphodiesterase 3A Protects From Hypertension-Induced Cardiac Damage

Abstract excerpt

Background: Phosphodiesterase 3A ( PDE3A ) gain-of-function mutations cause hypertension with brachydactyly (HTNB) and lead to stroke. Increased peripheral vascular resistance, rather than salt retention, is responsible. It is surprising that the few patients with HTNB examined so far did not develop cardiac hypertrophy or heart failure. We hypothesized that, in the heart, PDE3A mutations could be protective....

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