attributes.tag: source_name
attributes.value: CD4+ T cells
attributes.tag: strain
attributes.value: C57BL/6
attributes.tag: treatment
attributes.value: Naive CD4+ T cells (CD4+CD62LhiCD44loCD25- cells) were cultured in plate-bound anti-CD3 and anti-CD28 (10 ug/ml each) in combination with 100 nM 25OHC. 2 days later, cells were collected for analysis.