Khoo, A-L Regulation of cytokine responses by seasonality of vitamin D status in healthy individuals. [electronic resource] - Clinical and experimental immunology Apr 2011 - 72-9 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1365-2249 Standard No.: 10.1111/j.1365-2249.2010.04315.x doi Subjects--Topical Terms: AdultCalcitriol--bloodCysteine--analogs & derivativesCytokines--analysisDown-RegulationEnzyme-Linked Immunosorbent AssayFlow CytometryHumansInterferon-gamma--analysisInterleukin-1beta--analysisInterleukin-6--analysisLeukocytes, Mononuclear--cytologyLipopolysaccharides--pharmacologyMaleMiddle AgedSeasonsToll-Like Receptor 2--metabolismToll-Like Receptor 4--metabolismTumor Necrosis Factor-alpha--analysisVitamins--blood