Brain Cells Can Hide and Spread HIV Virus to the Body

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Brain Cells Can Harbor and Spread HIV Virus to the Body

June 11, 2020 • Press Release

Researchers have found that astrocytes, a type of brain cell, can harbor HIV and then spread the virus to immune cells that traffic out of the brain and into other organs. HIV moved from the brain via this route even when the virus was suppressed by combination antiretroviral therapy (cART), a standard treatment for HIV. The study, conducted by researchers at Rush University Medical Center in Chicago and published in PLOS Pathogens, was funded by the National Institutes of Health.

“This study demonstrates the critical role of the brain as a reservoir of HIV that is capable of re-infecting the peripheral organs with the virus,” said Jeymohan Joseph, Ph.D., chief of the HIV Neuropathogenesis, Genetics, and Therapeutics Branch at NIH’s National Institute of Mental Health, which co-funded the study. “The findings suggest that in order to eradicate HIV from the body, cure strategies must address the role of the central nervous system.”



HIV attacks the immune system by infecting CD4 positive (CD4+) T cells, a type of white blood cell that is vital to fighting off infection. Without treatment, HIV can destroy CD4+ T cells, reducing the body’s ability….read more:

 

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