肠道菌群构成与儿童血压关系的横断面研究

doi:10.11852/zgetbjzz2023-0047

中国儿童保健杂志 ›› 2024, Vol. 32 ›› Issue (1): 31-38.DOI: 10.11852/zgetbjzz2023-0047

肠道菌群构成与儿童血压关系的横断面研究

方国庆¹, 张鑫¹, 查达永¹, 陈珊珊², 洪真², 张喆庆²

1.广州市白云区妇幼保健院儿童保健科,广东广州 510000;
2.南方医科大学公共卫生学院营养与食品卫生学系

收稿日期:2023-01-12 修回日期:2023-07-14 发布日期:2024-01-04 出版日期:2024-01-10
通讯作者: 张喆庆,E-mail: zzqaa501@smu.edu.cn
作者简介:方国庆(1986-),男,湖北人,本科学历,主治医师,主要研究方向为儿童保健。
基金资助:
广州市科技计划青年项目(202102020967)

Cross-sectional study on the association between gut microbiota composition and blood pressure in children

FANG Guoqing¹, ZHANG Xin¹, ZHA Dayong¹, CHEN Shanshan², HONG Zhen², ZHANG Zheqing²

1. Department of Child Health Care, Guangzhou Baiyun District Maternal and Child Health Hospital,Guangzhou, Guangdong 510000, China;
2. Department of Nutrition and Food Hygiene, School of Public Health, Southern Medical University

Received:2023-01-12 Revised:2023-07-14 Online:2024-01-10 Published:2024-01-04
Contact: ZHANG Zheqing, E-mail: zzqaa501@smu.edu.cn

摘要/Abstract

摘要： 目的分析6～9岁儿童肠道菌群的构成与血压之间的关系,为儿童高血压的预防与治疗提供新思路。方法 2015年12月—2017年3月在广州招募411名6～9岁儿童,使用16S rRNA基因高通量测序测定肠道菌群,分析Alpha多样性和Beta多样性。利用MUVR算法,通过重复交叉验证分析筛选出与血压相关的OTUs。运用Spearman相关及多重线性回归分析探索儿童肠道菌群构成与血压之间的关系。结果血压正常儿童与血压异常儿童肠道菌群的Beta多样性差异有统计学意义(R²_加权＝0.015,P_加权＝0.01;R²_非加权＝0.027,P_非加权=0.001)。经校正多个协变量和错误发现率(FDR)校正的多重线性回归分析结果显示,儿童血压水平随OTU_3(布劳特氏菌属)、OTU_131(无害梭菌属)、OTU_1776(布劳特氏菌属)、OTU_2159(普雷沃式菌属)和OTU_91(短双歧杆菌种)的丰度增加而下降(β:-0.18~-0.14,P_FDR<0.05);相反,儿童血压随OTU_108(萨特氏菌属)、OTU_1(普拉梭菌种)、OTU_8(罗氏菌属)、OTU_48(蓝绿藻菌属)、OTU_81(粪球菌属)、OTU_401(毛螺菌科)、OTU_1284(毛螺菌科)和OTU_2793(毛螺菌科)的丰度增加而升高(β: 0.14~0.21,P_FDR<0.05)。而肠道菌群对收缩压和舒张压的影响可能是通过体质量指数(BMI)的增加来介导的。结论儿童血压水平与其肠道菌群的构成有关,BMI在二者关系中起到中介作用。建议调节布劳特氏菌属和萨特氏菌属等菌群来控制儿童高血压,同时加强BMI的健康管理。

关键词: 肠道菌群, 血压, 儿童

Abstract: Objective To analyze the association between the composition of gut microbiota and blood pressure in children aged 6 - 9 years, in order to provide new ideas for childhood hypertension prevention and treatment. Methods A total of 411 children aged 6 - 9 years were recruited in Guangzhou from December 2015 to March 2017. The gut microbiota was characterized by 16S ribosomal RNA amplicon sequencing. The multivariate Methods with unbiased variable selection in R (MUVR) were performed to identify the significant OTUs. Spearman correlation as well as multiple linear regression were used to explore the relationship between gut microbiota and blood pressure in children. Results Significant difference in β diversity index was observed between children with normal blood pressure and those with abnormal blood pressure (R²_weighted=0.015,P_weighted=0.01;R²_unweighted=0.027,P_unweighted=0.001). After adjustment for covariates and controlling the false discovery rate (FDR), multiple linear regression analysis showed that blood pressure level in children decreased with the increasing abundance of OTU_3 (genus Blautia), OTU_131 (genus [Clostridium]_innocuum_group), OTU_1776 (genus Blautia), OTU_2159 (genus Prevotella) and OTU_91 (species Bifidobacterium_breve) (β:-0.18 --0.14; P_FDR<0.05. In contrast, blood pressure in children increased with theincreasing abundance of OTU_108(genus Sutterella), OTU_1(species Faecalibacterium_prausnitzii)、OTU_8(genus Roseburia), OTU_48 (genus Lachnoclostridium), OTU_81 (genus Coprococcus), OTU_401 (family Lachnospiraceae), OTU_1284 (family Lachnospiraceae) and OTU_2793 (family Lachnospiraceae)(β: 0.14 - 0.21; P_FDR<0.05. The influence of gut microbiota on systolic pressure and diastolic pressure may be mediated by the increase of body mass index (BMI). Conclusions Pediatric blood pressure level is associated with the composition of gut microbiota, while BMI partially plays a mediating role in the relationship. It is recommended to modulate the abundance of microbiota as genus Blautia, Sutterella and so on to prevent hypertension in children.

Key words: microbiota, blood pressure, children

中图分类号:

R725.4

方国庆, 张鑫, 查达永, 陈珊珊, 洪真, 张喆庆. 肠道菌群构成与儿童血压关系的横断面研究[J]. 中国儿童保健杂志, 2024, 32(1): 31-38.

FANG Guoqing, ZHANG Xin, ZHA Dayong, CHEN Shanshan, HONG Zhen, ZHANG Zheqing. Cross-sectional study on the association between gut microbiota composition and blood pressure in children[J]. Chinese Journal of Child Health Care, 2024, 32(1): 31-38.

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肠道菌群构成与儿童血压关系的横断面研究

Cross-sectional study on the association between gut microbiota composition and blood pressure in children

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