Adaptamer RNA switches enable drug-controlled gene expression in vivo

Researchers have developed compact RNA switches, dubbed adaptamers, that harness FDA-approved drugs to recruit the cell's own endogenous RNA editing machinery and thereby regulate gene expression. Because the approach avoids introducing exogenous proteins, it points toward a simpler and potentially safer way to make gene therapy controllable by conventional small molecules. In proof-of-concept experiments in mice, drug-controlled expression of a metabolic hormone reversed obesity. The work, published in Molecular Cell on October 20, 2026, establishes the method in animal models. What remains open is how the system performs in larger animals and humans, which disease indications to pursue first, and whether the required drugs can be dosed safely and effectively over long treatment periods.

Written by a model from the reports · updated 2 hours ago