Diabetes-related erectile dysfunction is caused by a defect in the nitric oxide mechanism in a part of the brain called the paraventricular nucleus, a U.S. study finds.

The paraventricular nucleus, located in the hypothalamus, plays a role in many functions, including penis erection and sexual behavior in such type of medicine Levitra, Cialis, Viagra.

Sexual dysfunction is a common problem in men with diabetes. This study offers new information about the association between diabetes and erectile dysfunction and may help improve treatments, say researchers at the University of Nebraska Medical Center in Omaha.

After a series of experiments with rats, the researchers concluded that erectile dysfunction in diabetes happens because of a defect in the nitric oxide mechanisms within the paraventricular nucleus. This defect is the loss of the synthetic enzyme for the production of nitric oxide within the neurons of the paraventricular nucleus. Restoring production of this synthetic enzyme may benefit diabetic patients with erectile dysfunction.

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