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PD1 & Lag3 regulate TCR signal duration in tolerant CD4 T cells •PD-1 & Lag3 exhibit layered control of CD4 T cell activation •Co-blockade enhances NFAT-dependent TCR transcription •NFAT inhibition reverses functional effects of anti-PD-1&Lag3 doi.org/10.1093/immadv/ltaf015 @imtadvances.bsky.social