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- Title
Age-Dependent and Body Composition--Dependent Association of Child Gut Microbial Enterotype With Puberty Timing: A Chinese Cohort.
- Authors
Yujie Xu; Jingyuan Xiong; Shufang Shan; Xiaoyu Wang; Fang He; Guo Cheng
- Abstract
Context: Puberty timing, which is vital for adult well-being, has recently been suggested to be linked to specific gut taxa. However, the impact of comprehensive gut microbiome structure assessed by enterotype on puberty timing remains unknown. Objective: Investigate the prospective association of gut microbial enterotype with puberty timing and the potential interaction of age and body composition. Methods: This study included 1826 children from the Chinese Adolescent Cohort Study, a cohort that has collected information on sociodemographics, dietary intake, physical activity, anthropometry, and pubertal development of children aged 6-8 years since 2013 and follows them up annually until the age of 15 years. Fecal samples have been collected annually since 2019 and analyzed for 16S rRNA sequencing and targeted fecal metabolomics. Cox proportional hazard regression models were used to investigate the prospective association of enterotype with puberty timing and the impact of age and body mass index (BMI) sex- and age-independent standard deviation score (SDS). Results: 592 (32.4%) and 1234 (67.6%) children belonged to the Prevotella-rich enterotype and the Bacteroides-rich enterotype, respectively. Children with the Bacteroides-rich enterotype experienced their menarche/voice break later than those with the Prevotella enterotype (hazard ratio 0.53, 95% CI 0.28-0.98), P = .02). Moreover, this association was more pronounced among younger children with higher BMI SDS (P for interaction = .006). Conclusion: Our findings supported a role for gut microbial communities in pubertal development, in which younger children with higher body mass seems more sensitive.
- Subjects
BODY composition; GUT microbiome; PUBERTY
- Publication
Journal of Clinical Endocrinology & Metabolism, 2023, Vol 108, Issue 9, p2363
- ISSN
0021-972X
- Publication type
Article
- DOI
10.1210/clinem/dgad090