Emmanuel Clave, Itauá Leston Araujo, Cécile Alanio, Etienne Patin, Jacob Bergstedt, Alejandra Urrutia, Silvia Lopez-Lastra, Yan Li, Bruno Charbit, Cameron Ross MacPherson, Milena Hasan, Breno Luiz Melo-Lima, Corinne Douay, Noémie Saut, Marine Germain, David-Alexandre Trégouët, Pierre-Emmanuel Morange, Magnus Fontes, Darragh Duffy, James P Di Santo, Lluis Quintana-Murci, Matthew L Albert, Antoine Toubert
The thymus is the primary lymphoid organ where naïve T cells are generated; however, with the exception of age, the parameters that govern its function in healthy humans remain unknown. We characterized the variability of thymic function among 1000 age- and sex-stratified healthy adults of the Milieu Intérieur cohort, using quantification of T cell receptor excision circles (TRECs) in peripheral blood T cells as a surrogate marker of thymopoiesis. Age and sex were the only nonheritable factors identified that affect thymic function...
September 5, 2018: Science Translational Medicine