Reisz JA, Earley EJ, Nemkov T, Key A, Stephenson D, Keele GR, Dzieciatkowska M, Spitalnik SL, Hod EA, Kleinman S, Roubinian NH, Gladwin MT, Hansen KC, Norris PJ, Busch MP, Zimring JC, Churchill GA, Page GP, D'Alessandro A. Arginine metabolism is a biomarker of red blood cell and human aging. Aging Cell. 2025 Feb; 24(2):e14388.