Universitat Autònoma de Barcelona (UAB) Jun 15 2026 A research team from the Universitat Autònoma de Barcelona (UAB) has shown that a one-time administration of a gene therapy expressing the metabolic factor FGF21 can prolong health span in old mice. The 27-month pharmacology study, published in Molecular Therapy, shows sustained beneficial effects across multiple endpoints associated with aging and health span. A study developed at the Center for Animal Biotechnology and Gene Therapy (CBATEG)