基于孟德尔随机化探讨肠道菌群及代谢通路与矮身材的因果关系

doi:10.11852/zgetbjzz2024-0323

中国儿童保健杂志 ›› 2025, Vol. 33 ›› Issue (8): 854-859.DOI: 10.11852/zgetbjzz2024-0323

基于孟德尔随机化探讨肠道菌群及代谢通路与矮身材的因果关系

王文¹, 王喆², 蒋秀蕾¹, 姜妍琳³, 胡英华⁴, 王明月⁴, 牟春笋⁴, 王春香⁴

1.山东中医药大学第一临床医学院,山东济南 250013;
2.山东中医药大学针灸推拿学院;
3.北京中医药大学东直门医院儿科;
4.山东中医药大学第二附属医院儿科

收稿日期:2024-04-12 修回日期:2024-12-09 发布日期:2025-08-04 出版日期:2025-08-10
通讯作者: 王春香,E-mail:wangchunxiang0603@163.com
作者简介:王文(1996—),女,硕士,医师,主要研究方向为中西医结合治疗儿童常见疾病。
基金资助:
山东省中医药科技发展计划项目(2019-0227)

Two-sample Mendelian randomization study on the association of gut microbiota and metabolic pathways with short stature

WANG Wen¹, WANG Zhe², JIANG Xiulei¹, JIANG Yanlin³, HU Yinghua⁴, WANG Mingyue⁴, MU Chunsun⁴, WANG Chunxiang⁴

1. First Clinical College, Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250013, China;
2. College of Acupuncture and Massage, Shandong University of Traditional Chinese Medicine;
3. Department of Pediatrics, Dongzhimen Hospital, Beijing University of Traditional Chinese Medicine;
4. Department of Pediatrics, Second Affiliated Hospital of Shandong University of Traditional Chinese Medicine

Received:2024-04-12 Revised:2024-12-09 Online:2025-08-10 Published:2025-08-04
Contact: WANG Chunxiang,E-mail:wangchunxiang0603@163.com

摘要/Abstract

摘要： 目的使用两样本孟德尔随机化方法探索肠道菌群及其代谢通路与矮身材的因果关系。方法使用荷兰微生物组计划(DMP)和FINRISK 2002(FR02)的肠道菌群全基因关联分析(GWAS)汇总数据和来自于GIANT Consortium的身高遗传信息数据。采用逆方差加权法(IVW)、MR Egger回归、加权中位数(WME)、Simple mode、Weighted mode研究肠道菌群及代谢通路与矮身材之间的因果关系,其中以IVW法为主。结合敏感性分析、异质性检验、基因多效性检验和异常值检验等方法来验证结果的稳定性和可靠性。结果 IVW结果显示有5种肠道微生物、3条代谢通路与矮身材存在因果关系,其中,Bacillales (OR=1.24,95%CI: 1.11~1.38,P_FDR =0.007) 、GCA-900066755(OR=1.06,95%CI: 1.03~1.09,P_FDR <0.001) 、“丙酮酸发酵为乙酸盐和乳酸II” (OR=1.04,95%CI: 1.02~1.06,P_FDR <0.001)、“尿酸盐生物合成/肌苷5'-磷酸降解” (OR=1.05,95%CI: 1.02~1.08,P_FDR =0.042)与身高呈正相关。Clostridium E sporosphaeroides (OR=0.93,95%CI: 0.89~0.97,P_FDR =0.023) 、Escherichia flexneri (OR=0.96,95%CI: 0.94~0.98,P_FDR <0.001)、GCA-900199385 sp900320755(OR=0.88,95%CI: 0.84~0.93,P_FDR <0.001)、“来自谷氨酸的血红素B生物合成”(OR=0.97,95%CI: 0.96~0.98,P_FDR<0.001)与身高呈负相关,未发现 IVs 存在基因多效性或显著异质性。结论肠道菌群及相关代谢通路与矮身材之间存在明确的因果关系,其具体生物学机制有待进一步研究,相关靶点可为后续研究提供参考。

关键词: 肠道菌群, 矮身材, 孟德尔随机化

Abstract: Objective To explore the causal correlation of gut microbiota and their metabolic pathways with short stature using a two-sample Mendelian randomization (MR) approach. Methods Genome-wide association study (GWAS) summary data on gut microbiota from the Dutch Microbiome Project (DMP) and FINRISK 2002 (FR02), as well as genetic data on height from the GIANT Consortium, were utilized. The inverse variance weighted (IVW) method, MR Egger regression, weighted median (WME), simple mode, and weighted mode were employed to investigate the causal relationship between gut microbiota, metabolic pathways, and short stature, with the IVW method serving as the primary approach. Sensitivity analysis, heterogeneity testing, pleiotropy testing, and outlier detection were conducted to validate the stability and reliability of the results. Results The IVW results indicated a causal relationship between five gut microbial taxa, three metabolic pathways, and short stature. Specifically, Bacillales (OR=1.24, 95%CI: 1.11 - 1.38, P_FDR=0.007), GCA-900066755 (OR=1.06, 95%CI: 1.03 - 1.09, P_FDR<0.001), "pyruvate fermentation to acetate and lactate II" (OR=1.04, 95%CI: 1.02 - 1.06, P_FDR<0.001), and "urate biosynthesis/inosine 5'-phosphate degradation" (OR=1.05, 95%CI: 1.02 - 1.08, P_FDR=0.042) were positively associated with height. Conversely, Clostridium E sporosphaeroides (OR=0.93, 95%CI: 0.89 - 0.97, P_FDR=0.023), Escherichia flexneri (OR=0.88, 95%CI: 0.84 - 0.93, P_FDR<0.001), GCA-900199385 sp900320755 (OR=0.96, 95%CI: 0.94 - 0.98, P_FDR<0.001), and "heme B biosynthesis from glutamate" (OR=0.97, 95%CI: 0.96 - 0.98, P_FDR<0.001) were negatively associated with height. No significant pleiotropy or heterogeneity was detected among the instrumental variables (IVs). Conclusions There is a clear causal relationship between gut microbiota, related metabolic pathways, and short stature. The specific biological mechanisms require further investigation, and the identified targets may provide valuable insights for future research.

Key words: gut microbiota, short stature, mendelian randomization

中图分类号:

R179

王文, 王喆, 蒋秀蕾, 姜妍琳, 胡英华, 王明月, 牟春笋, 王春香. 基于孟德尔随机化探讨肠道菌群及代谢通路与矮身材的因果关系[J]. 中国儿童保健杂志, 2025, 33(8): 854-859.

WANG Wen, WANG Zhe, JIANG Xiulei, JIANG Yanlin, HU Yinghua, WANG Mingyue, MU Chunsun, WANG Chunxiang. Two-sample Mendelian randomization study on the association of gut microbiota and metabolic pathways with short stature[J]. Chinese Journal of Child Health Care, 2025, 33(8): 854-859.

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基于孟德尔随机化探讨肠道菌群及代谢通路与矮身材的因果关系

Two-sample Mendelian randomization study on the association of gut microbiota and metabolic pathways with short stature

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