营养状况重塑了巴基斯坦佩沙瓦的青少年阿富汗难民的肠道微生物组成
Muhammad Shahzad1, Muhammad Arshad2, Habab Ali Ahmad3
1Faculty of Dentistry, Zarqa University, Zarqa, Jordan; Institute of Basic Medical Sciences, Khyber Medical University, Peshawar, Pakistan.
Nutrition research (New York, N.Y.)
|May 1, 2025
概括
营养状况显著影响了青少年阿富汗难民的肠道微生物群. 微量营养素缺乏和体重不足与较低的细菌多样性和改变肠道微生物群组成有关.
科学领域:
- 人类肠道微生物组研究研究
- 营养流行病学 营养流行病学
- 难民健康研究 难民健康研究
背景情况:
- 人体肠道微生物组在健康和疾病中的作用已被证实,但在脆弱的难民群体中尚未得到充分研究.
- 以前的研究强调了各种因素对肠道微生物组合的影响.
研究的目的:
- 评估青少年阿富汗难民的肠道微生物群多样性和相关的人口,健康和营养因素.
- 为了研究一种假设,即由血清微量营养素指示的营养状况,驱动肠道微生物组的变化.
主要方法:
- 收集了206名阿富汗青少年难民的血液和便样本.
- 分析了营养状况标志物 (血清微量营养素) 和肠道微生物组合,使用16S rRNA基因安普利康测序.
- 采用生物信息学和统计分析 (SPSS,QIIME,R),包括LEfSe和相关性分析.
主要成果:
- 在便样本中确定了56个类,117个家族和252个属.
- 与年轻的青少年 (10-14岁) 相比,在年长的青少年 (15-19岁) 中发现了更高的细菌多样性和Firmicutes:Bacteroidetes (F/B) 比率.
- 在体重不足和维生素D缺乏的人群中观察到较低的细菌多样性和改变的F/B比率. 年龄,BMI和微量营养素状况与F/B比率和特定细菌种群丰度有显著的相关性.
结论:
- 这项研究提供了第一个证据,将青少年阿富汗难民的肠道微生物群概况与营养状况因素联系起来.
- 研究结果表明,营养状况是这种脆弱人群肠道微生物组合的重要决定因素.
- 结果为有针对性的微生物群研究提供了基础,以改善未经研究的难民群体的健康结果.
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