Fat Biopsies Stained for Senescence (IMAGE) Buck Institute for Research on Aging Caption These are fat biopsies stained for senescence (blue). Left: Normal wild type mice, aged 8 months Right: Mouse model of mitochondrial progeria Credit Akos Gerencser, PhD, Buck Institute Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.