Proenkephalin+ regulatory T cells expanded by ultraviolet B exposure maintain skin homeostasis with a healing function
Shime H, Odanaka M, Tsuiji M, Matoba T, Imai M, Yasumizu Y, Uraki R, Minohara K, Watanabe M, Bonito A, Fukuyama H, Ohkura N, Sakaguchi S, Morita A, Yamazaki S. Proenkephalin+ regulatory T cells expanded by ultraviolet B exposure maintain skin homeostasis with a healing function. Proceedings Of The National Academy Of Sciences Of The United States Of America 2020, 117: 20696-20705. PMID: 32769209, PMCID: PMC7456133, DOI: 10.1073/pnas.2000372117.Peer-Reviewed Original ResearchConceptsTreg cellsUltraviolet B exposureUnique TCR repertoireFoxp3 transcription factorRegulatory T cellsSkin homeostasisSkin explant assayImmunological self-toleranceFunctional regulatory TUltraviolet BWound healingSuppress various immune responsesEndogenous opioid precursorsSkin TregsExpressed CD25Regulatory TTCR repertoireProenkephalin expressionT cellsSelf-toleranceWound closure assayImmune responseTregsInflammatory responseMet-Enk