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RESEARCH PAPER / 2026-08-17

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

Sora Q Kim, Sangho Yu, Christopher D Morrison

Pennington Biomedical Research Center, Baton Rouge, LA 70808, USA.Pennington Biomedical Research Center, Baton Rouge, LA 70808, USA. · pubmed

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.

The following analysis is generated by AI and may contain errors. It is separate from the authors’ abstract and is not peer review.

Research summary

The paper proposes a unifying hypothesis that protein restriction induces a coordinated physiological adaptive state involving nutrient sensing and neuroendocrine pathways to extend lifespan. This is a relevant theoretical framework for understanding the mechanisms of dietary restriction, but as a review or hypothesis paper without new experimental data, its scientific impact is limited to incremental conceptual synthesis.

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