Type I interferon transcriptional network regulates expression of coinhibitory receptors in human T cells

TS Sumida, S Dulberg, JC Schupp, MR Lincoln… - Nature …, 2022 - nature.com
TS Sumida, S Dulberg, JC Schupp, MR Lincoln, HA Stillwell, PP Axisa, M Comi, A Unterman
Nature immunology, 2022nature.com
Although inhibition of T cell coinhibitory receptors has revolutionized cancer therapy, the
mechanisms governing their expression on human T cells have not been elucidated. In the
present study, we show that type 1 interferon (IFN-I) regulates coinhibitory receptor
expression on human T cells, inducing PD-1/TIM-3/LAG-3 while inhibiting TIGIT expression.
High-temporal-resolution mRNA profiling of IFN-I responses established the dynamic
regulatory networks uncovering three temporal transcriptional waves. Perturbation of key …
Abstract
Although inhibition of T cell coinhibitory receptors has revolutionized cancer therapy, the mechanisms governing their expression on human T cells have not been elucidated. In the present study, we show that type 1 interferon (IFN-I) regulates coinhibitory receptor expression on human T cells, inducing PD-1/TIM-3/LAG-3 while inhibiting TIGIT expression. High-temporal-resolution mRNA profiling of IFN-I responses established the dynamic regulatory networks uncovering three temporal transcriptional waves. Perturbation of key transcription factors (TFs) and TF footprint analysis revealed two regulator modules with different temporal kinetics that control expression of coinhibitory receptors and IFN-I response genes, with SP140 highlighted as one of the key regulators that differentiates LAG-3 and TIGIT expression. Finally, we found that the dynamic IFN-I response in vitro closely mirrored T cell features in acute SARS-CoV-2 infection. The identification of unique TFs controlling coinhibitory receptor expression under IFN-I response may provide targets for enhancement of immunotherapy in cancer, infectious diseases and autoimmunity.
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