Diet- and microbiota-related metabolite, 5-aminovaleric acid betaine (5-AVAB), in health and disease.

Retu Haikonen, Olli Kärkkäinen, Ville Koistinen, Kati Hanhineva

Journal: Trends in endocrinology and metabolism: TEM 2022;33(7):463-480

PMID: 35508517

Abstract

5-Aminovaleric acid betaine (5-AVAB) is a trimethylated compound associated with the gut microbiota, potentially produced endogenously, and related to the dietary intake of certain foods such as whole grains. 5-AVAB accumulates within the metabolically active tissues and has been typically found in higher concentrations in the heart, muscle, and brown adipose tissue. Furthermore, 5-AVAB has been associated with positive health effects such as fetal brain development, insulin secretion, and reduced cancer risk. However, it also has been linked with some negative health outcomes such as cardiovascular disease and fatty liver disease. At the cellular level, 5-AVAB can influence cellular energy metabolism by reducing β-oxidation of fatty acids. This review will focus on the metabolic role of 5-AVAB with respect to both physiology and pathology. Moreover, the analytics and origin of 5-AVAB and related compounds will be reviewed.

Copyright © 2022 The Authors. Published by Elsevier Ltd.. All rights reserved.

Address: Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland. Electronic address: [email protected].; School of Pharmacy, University of Eastern Finland, Kuopio, Finland.; Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland; Department of Life Technologies, Food Chemistry and Food Development Unit, University of Turku, Turku, Finland.; Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland; Department of Life Technologies, Food Chemistry and Food Development Unit, University of Turku, Turku, Finland; Department of Biology and Biological Engineering, Division of Food and Nutrition Science, Chalmers University of Technology, Gothenburg, Sweden.
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