Reinterpreting recent thymic emigrant function: defective or adaptive?

Autor: Eric Y Helm, Cody A. Cunningham, Pamela J. Fink
Rok vydání: 2018
Předmět:
Zdroj: Current Opinion in Immunology. 51:1-6
ISSN: 0952-7915
DOI: 10.1016/j.coi.2017.12.006
Popis: Recent thymic emigrants (RTEs) are those peripheral T cells that have most recently completed thymic development and egress. Over the past decade, significant advances have been made in understanding the cell-extrinsic and cell-intrinsic requirements for RTE maturation to mature naïve (MN) T cells and in detailing the functional differences that characterize these two T cell populations. Much of this work has suggested that RTEs are hypo-functional versions of more mature T cells. However, recent evidence has indicated that rather than being defective T cells, RTEs are exquisitely adapted to their cellular niche. In this review, we argue that RTEs are not flawed mature T cells but are adapted to fill an underpopulated T cell compartment, while maintaining self tolerance and possessing the capacity to mount robust immune responses.
Databáze: OpenAIRE