GABA Prevents Sarcopenia by Regulation of Muscle Protein Degradation and Inflammaging in 23- to 25-Month-Old Female Mice.

Gunju Song, Hyun-Ji Oh, Heegu Jin, Hyein Han, Boo-Yong Lee

Department of Food Science and Biotechnology, College of Life Science, CHA University, Seongnam, South Korea.Department of Food Science and Biotechnology, College of Life Science, CHA University, Seongnam, South Korea. · pubmed

Paper

Abstract

Sarcopenia is the gradual decrease in skeletal muscle mass, strength and function in elderly individuals. Gamma-aminobutyric acid (GABA) is a neurotransmitter naturally produced from glutamate by the enzyme glutamic acid decarboxylase. Age-related decline in GABA is linked to age-related motor and sensory decline and seems to affect sarcopenia, yet no detailed study has been conducted. In this study, we aimed to investigate the effect of GABA on improving sarcopenia by suppressing muscle protein degradation through supplementing decreased GABA in old mice.

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Research summary

The paper investigates the role of GABA in preventing sarcopenia, which is a significant age-related decline in muscle mass and function. This aligns with longevity research as it addresses a root cause of aging-related decline in physical health. However, the study is conducted in a mouse model and focuses on a specific neurotransmitter's effect, which limits its broader applicability and impact on the field of longevity research. Thus, while it contributes to understanding sarcopenia, its overall impact is modest.

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