title: Effect of active vitamin D3 on age-related immunological changes.
mesh_terms: D000328:Adult; D000368:Aged; D000375:Aging; D002117:Calcitriol / Q000494:pharmacology; D002454:Cell Differentiation / Q000187:drug effects; D002460:Cell Line; D005260:Female; D006801:Humans; D006887:Hydroxycholecalciferols / Q000494:pharmacology; D007109:Immunity / Q000187:drug effects*; D007376:Interleukin-2 / Q000502:physiology; D007938:Leukemia / Q000473:pathology; D007958:Leukocyte Count; D008297:Male; D010024:Osteoporosis / Q000276:immunology; D013601:T-Lymphocytes / Q000166:cytology / Q000187:drug effects / Q000276:immunology; D006377:T-Lymphocytes, Helper-Inducer / Q000276:immunology; D050378:T-Lymphocytes, Regulatory / Q000276:immunology; D014807:Vitamin D / Q000494:pharmacology*
chemical_list: D006887:Hydroxycholecalciferols; D007376:Interleukin-2; D014807:Vitamin D; D002117:Calcitriol; C008088:alfacalcidol