# The Mitochondria Catch-22 That Could Power the Next Wave of Cell Therapy - Date: 2026-04-22 - Category: Biotech & Life Sciences Scientists have spent two decades trying to put healthy mitochondria into specific cells to treat disease. They kept missing their marks. A new system called MitoCatch uses engineered proteins as molecular zip codes, improving delivery by 804 percent and rescuing retinal cells in mice. ---