<p>In a Feb. 25 photo, Dr. Pablo Tebas, left, and Jay Johnson pose for a photograph at the University of Pennsylvania in Philadelphia. Tebas is leading a study testing gene therapy as a possible new way to treat and perhaps someday to cure infection with the AIDS virus. Johnson, who works for and AIDS advocacy and service organization in Philadelphia, took part in one of the studies.</p>
March 2, 2011
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March 2, 2011 8 p.m.
Gene therapy raises hope for a future AIDS cure
In a bold new approach ultimately aimed at trying to cure AIDS, scientists used genetic engineering in six patients to develop blood cells that are resistant to HIV, the virus that causes the disease.