High salt diet deteriorated the disease severity of lupus.
High salt diet affected the Th1/Th2 and Th17/Treg balance in vivo.
High salt shifted balance of Th17/Treg towards Th17 in vitro.
Serum and glucocorticoid-inducible serine/threonine protein kinase 1(SGK1) inhibitor abolished the effect of high salt on CD4 + T cells in vitro.