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Stem Cells Might Contribute To Vascular Disease

Date:
May 20, 2008
Source:
New York- Presbyterian Hospital/Weill Cornell Medical Center/Weill Cornell Medical College
Summary:
Physician-scientists believe that stem cells might play a harmful role in the body's reaction to trauma following common vascular surgery, like angioplasty. They are currently studying how stem cells implant themselves in the wall of arteries and grow out of control.

Physician-scientists believe that stem cells might play a harmful role in the body's reaction to trauma following common vascular surgery, like angioplasty.

A team of scientists — led by Dr. K. Craig Kent, Greenberg-Starr Professor and professor of surgery at Weill Cornell Medical College and chief of the Division of Vascular Surgery at NewYork-Presbyterian — are currently studying how stem cells implant themselves in the wall of arteries and grow out of control.

Commonly, a blockage re-forms following angioplasty (termed re-stenosis) near the area where the procedure was performed.

The researchers observed that a chemical in the body called transforming growth factor beta (TGFbeta), which stimulates tissue growth, is released in high levels inside the artery following the trauma of angioplasty. Dr. Kent believes this happens because TGFbeta beckons stem cells to the irritated area to heal the wound.

This leads to the growth of dense, artery-blocking tissue.

If the scientists can learn how to shut off this response, Dr. Kent believes great progress might be made in the treatment of recurring heart disease.


Story Source:

The above story is based on materials provided by New York- Presbyterian Hospital/Weill Cornell Medical Center/Weill Cornell Medical College. Note: Materials may be edited for content and length.


Cite This Page:

New York- Presbyterian Hospital/Weill Cornell Medical Center/Weill Cornell Medical College. "Stem Cells Might Contribute To Vascular Disease." ScienceDaily. ScienceDaily, 20 May 2008. <www.sciencedaily.com/releases/2008/05/080516164021.htm>.
New York- Presbyterian Hospital/Weill Cornell Medical Center/Weill Cornell Medical College. (2008, May 20). Stem Cells Might Contribute To Vascular Disease. ScienceDaily. Retrieved April 20, 2014 from www.sciencedaily.com/releases/2008/05/080516164021.htm
New York- Presbyterian Hospital/Weill Cornell Medical Center/Weill Cornell Medical College. "Stem Cells Might Contribute To Vascular Disease." ScienceDaily. www.sciencedaily.com/releases/2008/05/080516164021.htm (accessed April 20, 2014).

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