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Abstract

Lactate, once considered an inert byproduct of glycolysis, is now increasingly appreciated as a metabolite with diverse roles in cellular metabolism and physiologic regulation. Our understanding of the role of lactate in biological systems can be considered in two categories: metabolic substrate and metabolic signal. These shared roles of lactate can be reconciled through the lens of a metabolite that is suited to regulate cellular function to license adaptation in line with the bioenergetic state of the cell. The mechanisms through which lactate production, transport, and consumption occur within cells and organisms are an area of longstanding and still active research. Here, we focus on how lactate production and utilization as a metabolic substrate feed into its role as a metabolic signal and the emerging mechanisms through which it regulates biological processes.

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/content/journals/10.1146/annurev-cancerbio-091724-051147
2025-01-16
2025-02-07
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/content/journals/10.1146/annurev-cancerbio-091724-051147
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  • Article Type: Review Article
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