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Lactic Acid: No Longer an Inert and End-Product of Glycolysis
Author(s) -
Shiren Sun,
Heng Li,
Jianghua Chen,
Qi Qian
Publication year - 2017
Publication title -
physiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.14
H-Index - 125
eISSN - 1548-9213
pISSN - 1548-9221
DOI - 10.1152/physiol.00016.2017
Subject(s) - lactic acid , glycolysis , microbiology and biotechnology , immune system , wound healing , biochemistry , metastasis , energy metabolism , chemistry , biology , cancer , cancer research , metabolism , bacteria , immunology , endocrinology , genetics
For decades, lactic acid has been considered a dead-end product of glycolysis. Research in the last 20+ years has shown otherwise. Through its transporters (MCTs) and receptor (GPR81), lactic acid plays a key role in multiple cellular processes, including energy regulation, immune tolerance, memory formation, wound healing, ischemic tissue injury, and cancer growth and metastasis. We summarize key findings of lactic acid signaling, functions, and many remaining questions.

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