Disorders of ejaculation are the most common form of sexual dysfunction. The ejaculatory reflex consists of two phases: emission and expulsion. Premature ejaculation (PE) can arise from overactivity of the smooth muscles responsible for ejaculation. On the other side of the spectrum, delayed ejaculation occurs when an individual is unable to either reach orgasm within an adequate time frame or experiences no ejaculation. While premature ejaculation and to a lesser degree delayed ejaculation have been recognized for quite some time, no FDA approved treatment has been developed. Since both types of ejaculatory dysfunction have an underlying neuro-muscular component, this may be a target for future treatment strategies. We thereby hypothesize that modulation of the rhythmic contraction of the ejaculatory smooth muscles with either a Sirt3 activator or inhibitor may prove beneficial in treating either premature or delayed ejaculation.

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http://dx.doi.org/10.1016/j.mehy.2013.06.006DOI Listing

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