(IMAGE) Tokyo Medical and Dental University Caption While OPTN accumulates on the damaged mitochondria (at the mitophagy contact sites) in wild-type cells, TBK1 gene deletion inhibits OPTN accumulation. Credit Department of Biomolecular Pathogenesis, TMDU 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.