October 18, 2018

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Molecule kills HIV as single-day pill offers one-year treatment (Guardian)

Molecule kills HIV as single-day pill offers one-year treatment (Guardian)

Scientists have designed a synthetic molecule that can reactivate dormant human immunodeficiency virus (HIV) in mice and lead to the death of some of the infected cells, according to a study published in PLOS Pathogens.

The new findings address a long-standing challenge in HIV treatment: While antiretroviral therapy can successfully stave off disease progression, the virus can silently persist in some cells for many years, so an infected person must be vigilantly treated for the rest of their life.

Previous studies have explored potential ways to eliminate latently infected cells, such as by stimulating them to produce some viral particles (“kick”), followed by cell death via the immune system or the virus itself (“kill”). A molecule called bryostatin 1 holds the potential to trigger a “kick and kill” response, but it is costly to obtain from its source, a marine animal known as Bugula neritina. Read more

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