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Ying Tian, [email protected] These authors have contributed equally to this work and share first authorship This article was submitted to Cell Death and Survival, a section of the journal Frontiers in Cell and Developmental Biology Disclaimer All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers

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A potent and specific CD38 inhibitor ameliorates age-related metabolic dysfunction by reversing tissue NAD+ decline