Testing the mettle of RNA methylation in T cell exhaustion.

The Journal of experimental medicine
Authors
Abstract

Song et al. () identify Mettl8 as a regulator of progenitor exhausted CD8+ T cells, stabilizing Tcf7 transcripts and shaping chromatin programs. Mettl8 loss drives effector differentiation and improves tumor control, underscoring RNA methylation as a key layer of T cell fate regulation.

Year of Publication
2026
Journal
The Journal of experimental medicine
Volume
223
Issue
5
Date Published
05/2026
ISSN
1540-9538
DOI
10.1084/jem.20260349
PubMed ID
42043377
Links