Megestrol acetate downregulates the synthesis and release of which type of molecules, contributing to its anti-inflammatory effects?

• A. Insulin
• B. Adiponectin
• C. Leptin
• D. Proinflammatory cytokines

Answer: (D)

Megestrol acetate achieves anti-inflammatory effects by dampening the signals that drive inflammation, namely proinflammatory cytokines. Acting with glucocorticoid-like activity, it binds receptors and suppresses transcription of inflammatory mediators such as TNF-α, IL-1, and IL-6, leading to lower production and release of these cytokines. This downregulation reduces inflammatory signaling and related symptoms. The other substances listed are metabolic hormones or adipokines, not the primary targets of megestrol’s anti-inflammatory action in this context.