MechanismsAnimalsThe Thymic Microenvironment Shapes Age-Related Qualitative Changes in the TCR RepertoireAging CellThymus transplantationRAG1Immune responseTCR repertoire diversityMiceThe paperRowell J, Yanez DC, Ross S et al.Aging Cell · 21 Aug 2026doi.org/10.1111/acel.70675PubMed 42625375