Abstract

Cardioprotective effects of H2S have been well documented. However, the lack of evidence supporting the benefits afforded by delayed H2S therapy warrants further investigation. Using a murine model of transverse aortic constriction-induced heart failure, this study showed that delayed H2S therapy protects multiple organsincluding the heart, kidney, and blood-vessel; reduces oxidative stress; attenuates renal sympathetic and renin-angiotensin-aldosterone system pathological activation; and ultimately improves exercise capacity.Thesefindings provide further insights into H2S-mediated cardiovascular protection and implicatethebenefitsof using H2S-based therapies clinically for the treatment of heart failure.

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