Category: nucleoside
Aliases: Hypoxanthine riboside
Deamination product of adenosine (by ADA); degraded to hypoxanthine → xanthine → urate. Uric acid is a peroxynitrite scavenger and antioxidant, and inosine raises serum urate ~2-fold — hence the MS research rationale (but urate-raising showed no clinical benefit). Endogenous signal at A1/A3 adenosine receptors at high concentrations.