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New relief for gynecological disorders
Date:4/3/2013

on both pro-angiogenic factors such as VEGF and anti-angiogenic factors including PEDF. The effect of PEDF in decreasing abnormal angiogenesis has been extensively investigated in the eye and in tumors. Prof. Shalgi and Dr. Chuderland hypothesized that the same protein could play a role in diseases of the female reproductive system related to blood vessels growth.

In both OHSS and endometriosis, rampant VEGF levels allow for the abnormal vascularization that characterises both diseases. To counteract this effect and restore a healthy angiogenic balance in the reproductive system, the researchers turned to PEDF as a replacement therapy agent. In the lab, Prof. Shalgi and Dr. Chuderland developed mouse models of both endometriosis and OHSS. After preparing the PEDF protein, they injected the mice with it.

The researchers noted a "perfect reversal" of all symptoms, including reduced abdominal swelling in OHSS-induced mice and eradicated lesions in endometriosis. When evaluating whether this protein might affect fertility, they confirmed that PEDF had no negative impact on ovulation or pregnancy rate. In fact, it increased the number of ovulated eggs in the endometriosis model, suggesting improved fertility.

Easing the pain

The next step is to commercialize the protein for therapeutic use, say the researchers, who were the first to prove that this anti-angiogenic protein is active in the reproductive system. This discovery has been patent protected and is currently undergoing commercialization by Ramot, the technology transfer company of TAU.

There are currently no treatment options for women suffering from these diseases, explains Dr. Chunderland, who believes that endometriosis, in particular, is under-diagnosed and usually dismissed as severe menstrual pain. This new treatment could bring long-awaited relief from painful and seemingly uncontrollable symptoms, including severe abdominal pain and infertility issu
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Contact: George Hunka
ghunka@aftau.org
212-742-9070
American Friends of Tel Aviv University
Source:Eurekalert

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