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Physician-scientists seek solutions to reproductive problems related to chromosomal variations
Date:12/19/2007

NEW YORK (Dec. 19, 2007) -- Approximately one in every 500 to 650 baby boys is born with an extra X chromosome, a variation in their genetic code that until a few years ago was thought to result in infertility in all cases. However, this is no longer the case. A recent conference hosted by NewYork-Presbyterian Hospital/Weill Cornell Medical Center and advocacy organization KS&A focused on raising awareness of the condition and the recent availability of treatments for both children and adults.

As recently as 10 years ago, all men born with an extra X chromosome -- a condition whose classic symptoms are known as Klinefelter syndrome -- were thought to be infertile. Now, new research at NewYork-Presbyterian/Weill Cornell, led by Dr. Peter Schlegel, has pioneered a surgical approach -- a combination of TESE (testicular sperm extraction) and IVF (in vitro fertilization) -- that enables these men to father healthy children approximately 40 percent of the time it is employed.

But this is just the beginning. "Our Department has five scientists who are leading research into Klinefelter's and other chromosomal variations. We are very pleased to join forces with KS&A to raise awareness for these conditions," says Dr. Schlegel, chairman of the Department of Urology and professor of urology and reproductive medicine at Weill Cornell Medical College, and urologist-in-chief at NewYork-Presbyterian/Weill Cornell.

KS&A presented Dr. Schlegel with a "Lifetime Achievement Award" at its recent meeting to honor his infertility treatment advances -- which are rewriting the textbook on Klinefelter syndrome.

"Our current research in the laboratory focuses on understanding the mechanism by which the presence of an additional X chromosome affects sperm production and testosterone synthesis in males with Klinefelter syndrome. These critical and unique studies will allow us to provide improved treatment and management recommendations based on soli
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Contact: Andrew Klein
ank2017@med.cornell.edu
212-821-0560
New York- Presbyterian Hospital/Weill Cornell Medical Center/Weill Cornell Medical College
Source:Eurekalert

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