Topline
A girl seems to have been cured of HIV with a remedy utilizing stem cells in umbilical twine blood, scientists at NewYork-Presbyterian/Weill Cornell Medical Middle say, making her the fourth individual, and the primary girl, apparently cured of the illness, and presumably permitting docs to try a remedy on dozens of individuals per yr.
Scanning electromicrograph of an HIV-infected H9 T cell.
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Key Information
The affected person has proven no indicators of HIV an infection since she stopped remedy for the virus in October 2020, following a transplant of umbilical-cord stem cells containing a mutation that blocks HIV, in addition to a transplant of stem cells from an grownup relative, making her the primary individual apparently cured utilizing umbilical twine blood, the Wall Avenue Journal reported.
The stem cell remedy is very dangerous, requiring docs to destroy the affected person’s immune system utilizing chemotherapy or radiation and to rebuild it with new cells, making the remedy unsuitable for anybody who doesn’t have most cancers or one other probably deadly situation, NBC reported.
The remedy is prone to be appropriate for a broader vary of individuals than the transplants of grownup stems cells used to remedy three different sufferers of HIV, as a result of the twine blood doesn’t must be a genetic match with the affected person, in all probability increasing the quantity of people that might obtain remedy to 50 yearly, researchers mentioned.
Key Background
HIV might have handed from chimpanzees to people as early because the late 1800s, however was unknown within the U.S. till the Nineteen Seventies, in line with the U.S. Facilities for Illness Management and Prevention. HIV can result in AIDS, which disables the immune system so severely that in any other case minor diseases can change into deadly. Although a real remedy for HIV has been elusive, antiretroviral therapy permits individuals with HIV to keep away from growing AIDS and to stay lengthy, wholesome lives. In 2008, docs in Berlin reported they’d cured a affected person with HIV for the primary time, utilizing a remedy counting on stem cells that genetically matched the affected person and contained a uncommon mutation. The extra just lately developed remedy utilizing umbilical-cord cells doesn’t require a genetic match to the affected person, making it simpler to search out appropriate donors, researchers mentioned. The remedy utilized in Berlin has confirmed considerably unreliable, with at the least two patients present process the dangerous process solely to once more check optimistic for HIV months later.
Large Quantity
1.19 million. That’s about how many individuals age 13 and older had HIV within the U.S. in 2019, in line with the CDC.
Contra
Johns Hopkins infectious illness specialist Dr. Deborah Persuad told NBC that, whereas she was “very excited” concerning the new obvious HIV remedy, stem cell remedies are solely accessible to deal with a handful of the hundreds of thousands of individuals with HIV worldwide.
Additional Studying
“Woman Appears Cured of HIV After Umbilical-Cord Blood Transplant” (Wall Avenue Journal)