Interaction between Habitual Green Tea and Coffee Consumption and ACTN3 Genotype in Association with Skeletal Muscle Mass and Strength in Middle-Aged and Older Adults - 21/11/24
, Hinako Nanri 1, 2, 3, ⁎ , M. Hara 2, Y. Nishida 2, C. Shimanoe 4, Y. Yamada 1, 3, T. Furukawa 2, 5, Y. Higaki 6, Y. Momozawa 7, M. Nakatochi 8, K. Wakai 9, K. Matsuo 10, K. Tanaka 2
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Abstract |
Background |
Recent studies have suggested the potential benefits of habitual coffee and green tea consumption on skeletal muscle health. However, it remains unclear whether these benefits are modified by genetic factors, particularly the alpha-actinin-3 (ACTN3) genotype, which is associated with the skeletal muscle phenotype. This study aimed to investigate the interaction between habitual coffee or green tea consumption and the ACTN3 genotype in association with skeletal muscle mass (SMM) and strength.
Methods |
This cross-sectional study was conducted on 1,023 Japanese middle-aged and older adults (619 females, aged 45–74 years) living in the community. SMM was gauged using a bioelectrical impedance spectroscopy device, and handgrip strength (HGS) was used to measure muscle strength. The ACTN3 genotype (RR, RX, and XX) was determined from blood samples. Sex-specific linear regression models were used to analyze the interactions between coffee or green tea consumption and the ACTN3 genotype in association with SMM and HGS.
Results |
In females, a significant interaction was observed between green tea consumption and the ACTN3 genotype in association with HGS (P interaction < 0.05). Furthermore, stratified analysis revealed a positive association between green tea consumption and HGS, specifically in females with the ACTN3 XX genotype (P trend < 0.05). In males, no significant interactions were observed between coffee or green tea consumption and the ACTN3 genotype in association with SMM or HGS (P interaction > 0.05).
Conclusion |
Our findings suggest that the skeletal muscle strength benefits associated with habitual green tea consumption may be contingent upon sex and the ACTN3 genotype.
Le texte complet de cet article est disponible en PDF.Key words : Coffee, tea, muscle strength, ACTN3 protein, human
Plan
| Electronic Supplementary Material Supplementary material is available in the online version of this article at jfa.2024.3. |
Vol 13 - N° 3
P. 267-275 - août 2024 Retour au numéro
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