月度归档： 2026 年 6 月

Credit: MedicalRF.com/Getty ImagesAntiretroviral therapy (ART) has enabled most people living with HIV to live long and healthy lives. However, a small portion of people experience detectable traces of the virus, known as nonsuppressible viremia (NSV), despite strict adherence to long-term treatment regimens and the absence of symptoms. The results of a study headed by researchers at Johns Hopkins University School of Medicine now suggest that most cases of NSV are explained by defective and noninfectious copies of the virus.

A cup of coffee can mean many things: a daily part of our routine, a moment of calm, a midday boost. But zoom in past the steam, past the roasted aromatics, down to the caffeine molecule itself, and a different story emerges. At the Texas A&M Health Institute of Biosciences and Technology, researchers have turned this everyday stimulant into something far more unexpected: a molecular “pause button” for engineered cells.