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- W2058314056 endingPage "62" @default.
- W2058314056 startingPage "53" @default.
- W2058314056 abstract "Erectile dysfunction is a common, multifactorial disorder that is associated with aging and a range of organic and psychogenic conditions, including hypertension, hypercholesterolemia, diabetes mellitus, cardiovascular disease, and depression. Penile erection is a complex process involving psychogenic and hormonal input, and a neurovascular nonadrenergic, noncholinergic mechanism. Nitric oxide (NO) is believed to be the main vasoactive nonadrenergic, noncholinergic neurotransmitter and chemical mediator of penile erection. Released by nerve and endothelial cells in the corpora cavernosa of the penis, NO activates soluble guanylyl cyclase, which increases 3′,5′‐cyclic guanosine monophosphate (cGMP) levels. Acting as a second messenger molecule, cGMP regulates the activity of calcium channels as well as intracellular contractile proteins that affect the relaxation of corpus cavernosum smooth muscle. Impaired NO bioactivity is a major pathogenic mechanism of erectile dysfunction. Treatment of erectile dysfunction often requires combinations of psychogenic and medical therapies, many of which have been only moderately successful in the past. The advent of oral phosphodiesterase type 5 (PDE‐5) inhibitors, however, has greatly enhanced erectile dysfunction treatment; patients have demonstrated high tolerability and success rates for improved erectile function. The efficacy of the PDE‐5 inhibitors also serves to illustrate the importance of the NO‐cGMP pathway in erectile function since these agents counteract the degradation of NO‐generated cGMP. Because not all patients respond to PDE‐5 inhibitors, additional therapies are being investigated, such as soluble guanylyl cyclase activators and NO donors, which act on NO‐independent and NO‐dependent pathways, respectively." @default.
- W2058314056 created "2016-06-24" @default.
- W2058314056 creator A5037019692 @default.
- W2058314056 date "2006-12-01" @default.
- W2058314056 modified "2023-09-29" @default.
- W2058314056 title "The Role of Nitric Oxide in Erectile Dysfunction: Implications for Medical Therapy" @default.
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- W2058314056 doi "https://doi.org/10.1111/j.1524-6175.2006.06026.x" @default.
- W2058314056 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/17170606" @default.
- W2058314056 hasPublicationYear "2006" @default.