期刊
NATURE IMMUNOLOGY
卷 9, 期 9, 页码 981-987出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/ni.f.208
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资金
- Ruth L. Kirschstein National Research Service [AI 6683501A1]
- US National Institutes of Health (NIH) [AI72618, AI47822, AI059635, GM37734, U19 AI057229]
- Department of Veterans Affairs
- FACS Core Facility of the Stanford Digestive Disease Center [P30 DK56339]
- NATIONAL INSTITUTE OF ALLERGY AND INFECTIOUS DISEASES [R21AI059635, R01AI072618, T32AI007290, F32AI066835, R21AI047822, R37AI047822, R01AI059635, U19AI057229, R01AI047822] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE OF DIABETES AND DIGESTIVE AND KIDNEY DISEASES [P30DK056339] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES [R01GM037734, R37GM037734] Funding Source: NIH RePORTER
Lymphocytes are imprinted during activation with trafficking programs (combinations of adhesion and chemoattractant receptors) that target their migration to specific tissues and microenvironments. Cytokines contribute, but, for gut and skin, evolution has cleverly adapted external cues from food (vitamin A) and sunlight (ultraviolet-induced vitamin D3) to imprint lymphocyte homing to the small intestines and T cell migration into the epidermis. Dendritic cells are essential: they process the vitamins to their active metabolites (retinoic acid and 1,25(OH)(2)D3) for presentation with antigen to lymphocytes, and they help export environmental cues through lymphatics to draining lymph nodes, to program the trafficking and effector functions of naive T and B cells.
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