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Pennsylvania Centre for AIDS Research Contributes 15 Years of Service

by Julia Samuel on February 13, 2015 at 6:11 PM
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Pennsylvania Centre for AIDS Research Contributes 15 Years of Service

The Penn Center for AIDS Research (CFAR) encompasses over 160 researchers from Perelman, as well as 12 other schools within the University of Pennsylvania, along with the Children's Hospital of Philadelphia and the Wistar Institute.

The Penn CFAR is one of the 19 NIH-funded CFAR sites nationwide and commemorated its 15 year anniversary as a designated National Institutes of Health (NIH) CFAR site. Various groundbreaking researches were carried out and are continued in the centre on HIV and the methods to overcome the infection by means of gene transfer.


Critical basic research to understand how HIV enters cells and identification of a key molecule that the virus uses as an entry pathway, CCR5 on the cell surface of T cells was carried out at Penn.

Robert Doms, MD, PhD, now Chief of Pathology at CHOP and his colleagues found that a rare mutation in CCR5 provides natural resistance to HIV infection. This pathway is now being taken a step further by Penn CFAR investigators in efforts focused on achieving a cure, by disrupting CCR5.

Two prominent HIV researchers Beatrice H. Hahn, MD and George M. Shaw, MD, PhD, who have contributed to nearly every aspect of HIV research, joined the Perelman School of Medicine faculty and the Penn CFAR.

Dr. Hahn, now a member of the Institute of Medicine, in 1999 discovered where HIV originally came from, a related virus infecting chimpanzees in Africa that crossed into humans.

Dr. Shaw discovered that HIV replicates rapidly and to high levels even during the period when people have no symptoms. They have described molecular traits for HIV strains that are most efficiently transmitted from person to person and insights that will likely guide the development of vaccines.

In 2009 Philip R. Johnson, MD, chief scientific officer and executive vice president of CHOP and director of the CHOP Research Institute, and his team developed an innovative gene transfer technology that protects monkeys from infection by simian immunodeficiency virus, or SIV, a virus closely related to HIV that causes AIDS in rhesus monkeys.

The strategy uses gene transfer to introduce an antibody that attaches to the virus and prevents infection. The technique has moved into human clinical trials, and could ultimately lead to a novel HIV vaccine.

Ronald G. Collman, MD, professor of Medicine in the division of Pulmonary, Allergy and Critical Care and co-director of the Penn CFAR said, "In the past 15 years, during the CFAR's three previous funding cycles, we have developed strong infrastructure, proactive leadership, and a rich environment of interdisciplinary HIV/AIDS science. We'll continue to develop and lead new initiatives in cutting-edge areas that address national priorities for HIV research."

Source: Medindia

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