Department of Innovation Center for Health Promotion, Graduate School of Medicine, Hirosaki University 5 Zaifu-cho, Hirosaki 036-8562, Japan.
Department of Social Medicine, Graduate School of Medicine, Hirosaki University 5 Zaifu-cho, Hirosaki 036-8562, Japan.
Int J Environ Res Public Health. 2022 Jun 17;19(12):7464. doi: 10.3390/ijerph19127464.
This study aimed to investigate the gut microbial genera associated with skeletal muscle mass, using a large-scale survey from the standpoint of preventing sarcopenia. A total of 848 participants were included in the analysis. The mean (SD) ages of men ( = 353) and women ( = 495) were 50.0 (12.9) years and 50.8 (12.8) years, respectively. Body composition was assessed using appendicular skeletal muscle mass/body weight (ASM/BW), ASM, and BW. Additionally, the relationship between gut microbial genera and body composition was analyzed. The means (SD) of ASM/BW were 34.9 (2.4) % in men and 29.4 (2.9) % in women. and were positively associated with ASM/BW only in men (: β = 0.0003, : β = 0.0001). However, was negatively associated with BW (β = -0.0017). was positively associated with ASM/BW (β = 0.0209) and negatively associated with BW (β = -0.0769) only in women. Our results indicate that , and , which are positively associated with ASM/BW, might help increase skeletal muscle mass. ASM/BW may clarify the relationship between gut microbiota and skeletal muscle mass without being affected by obesity or excess body fat mass.
本研究旨在从预防肌肉减少症的角度出发,通过大规模调查研究与骨骼肌量相关的肠道微生物属。共纳入 848 名参与者进行分析。男性(n=353)和女性(n=495)的平均(SD)年龄分别为 50.0(12.9)岁和 50.8(12.8)岁。采用四肢骨骼肌量/体重(ASM/BW)、ASM 和 BW 评估身体成分。此外,还分析了肠道微生物属与身体成分的关系。男性的 ASM/BW 平均值(SD)为 34.9(2.4)%,女性为 29.4(2.9)%。仅在男性中,和与 ASM/BW 呈正相关(:β=0.0003,:β=0.0001)。然而,与 BW 呈负相关(β=-0.0017)。仅在女性中,与 ASM/BW 呈正相关(β=0.0209),与 BW 呈负相关(β=-0.0769)。我们的研究结果表明,与 ASM/BW 呈正相关的、和,可能有助于增加骨骼肌量。ASM/BW 可能在不受肥胖或体脂质量影响的情况下,阐明肠道微生物群与骨骼肌量之间的关系。
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