News summary

Impaired Lactate Metabolism in Liver and Muscle as an Important Cause of Sarcopenia

Source: Fight Aging! • Published: 16 Sept 2026, 10:22

Summarized by Masters of Longevity from Fight Aging!.

Lactate metabolism between liver and muscle is the article’s focus, previewing research linking disrupted lactate handling to age-related muscle decline. It invites readers to learn about experimental approaches suggesting a new physiological pathway involved in sarcopenia.

Impaired Lactate Metabolism in Liver and Muscle as an Important Cause of Sarcopenia
Key Takeaways
  • Aged mice showed reduced systemic lactate tolerance due to impaired hepatic lactate processing.
  • Lactic acidosis accumulated in skeletal muscle and correlated with sarcopenia phenotypes in mouse models.
  • Pharmacological or liver-specific activation of HIF1α improved lactate tolerance, muscle lactic acidosis, and sarcopenia metrics.
Read the full article at Fight Aging!

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