Telomere length in CD4+ and CD8+ T cells among long‐term survivors of adults after single cord blood transplantation

: Telomeres are essential for maintaining genomic and cellular stability and replication. Telomere length (TL) shorten with each cell division, and its shortening is associated with aging, senescence, and replication capacity. In an allogeneic hematopoietic cell transplantation (HCT) setting, most of studies showed that leukocyte or T cell telomeres of recipients after HCT were shorter than respective donors and age-matched controls [1].