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Abstract Title:

The mitophagy activator urolithin A is safe and induces a molecular signature of improved mitochondrial and cellular health in humans.

Abstract Source:

Nat Metab. 2019 Jun ;1(6):595-603. Epub 2019 Jun 14. PMID: 32694802

Abstract Author(s):

Pénélope A Andreux, William Blanco-Bose, Dongryeol Ryu, Frédéric Burdet, Mark Ibberson, Patrick Aebischer, Johan Auwerx, Anurag Singh, Chris Rinsch

Article Affiliation:

Pénélope A Andreux

Abstract:

Urolithin A (UA) is a natural dietary, microflora-derived metabolite shown to stimulate mitophagy and improve muscle health in old animals and in preclinical models of aging. Here, we report the results of a first-in-human clinical trial in which we administered UA, either as a single dose or as multiple doses over a 4-week period, to healthy, sedentary elderly individuals. We show that UA has a favourable safety profile (primary outcome). UA was bioavailable in plasma at all doses tested, and 4 weeks of treatment with UA at doses of 500 mg and 1,000 mg modulated plasma acylcarnitines and skeletal muscle mitochondrial gene expression in elderly individuals (secondary outcomes). These observed effects on mitochondrial biomarkers show that UA induces a molecular signature of improved mitochondrial and cellular health following regular oral consumption in humans.

Study Type : Human Study

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Sayer Ji
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