Protein restriction and the hallmarks of aging: A coordinated physiological adaptive response?

Kim, Sora Q; Yu, Sangho; Morrison, Christopher D · Cell Metab · 2026

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Abstract

Protein restriction extends lifespan across species and engages many hallmarks of aging. We propose that these diverse responses can be understood as components of a single coordinated physiological state. This response involves both cellular nutrient sensing and endocrine and neural coordination, with enhanced longevity emerging from this adaptive response.