• 2022-06-06
    Both TH17 and Treg cell development are promoted by _______, but only TH17 development
    is promoted by _______.
    A: TGFβ; IL-6
    B: TGFβ; retinoic acid
    C: IL-3; IL-6
    D: IL-3; retinoic acid
    E: IFNγ; IL-6
    F: IFNγ; retinoic acid