2.2. Effects of Steppogenin (1) on the mRNA Expression of the Proinflammatory Cytokines TNF-α, IL-1β, IL-12, and IL-6 in LPS-Stimulated BV2 Microglial Cells We evaluated the effects of steppogenin (1) on the mRNA expression of TNF-α, IL-1β, IL-12, and IL-6 in LPS-treated...