Regenerative MedicineSenolytic Drug Combo Rejuvenates Aged Kidneys at the Systems Level
As kidneys age, accumulating senescent cells drive inflammation, fibrosis, and declining function. Researchers treated naturally aged mice with dasatinib and quercetin — a well-known senolytic combination — and analyzed the results using proteomics and single-cell RNA sequencing. The treatment reduced key senescence markers, restored Klotho (an anti-aging protein often depleted in kidney disease), and cut down fibrosis and inflammation. It also reactivated a metabolic pathway called PPARα, improving how kidney cells burn fat. Single-cell analysis showed the therapy reversed aging-associated gene expression patterns across multiple kidney cell types and normalized the overactive cell-to-cell communication network seen in aged kidneys. These findings provide the most comprehensive mechanistic picture yet of how senolytic therapy restores kidney health.
