Cellular HealthSirtuins/ SUR-too-inz /A family of NAD+-dependent proteins involved in cellular repair and metabolism. They become more active when energy is low, as during fasting, and are widely studied in longevity research. Related Terms AMPKCELLULAR HEALTH ApoptosisCELLULAR HEALTH AutophagyCELLULAR HEALTH IGF-1 (Insulin-like Growth Factor 1)CELLULAR HEALTH