一种针对微生物组的治疗食品,用于从严重急性营养不良中恢复过来的儿童
Steven J Hartman1,2, Matthew C Hibberd1,2,3, Ishita Mostafa4
1Edison Family Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO 63110, USA.
Science translational medicine
|October 2, 2024
概括
一种新的微生物组导向补充食品 (MDCF-2) 在严重急性营养不良 (SAM) 的儿童中显著改善了体重对长度的z分数. 这种干预也对与发育相关的血蛋白产生了积极影响,这表明了营养不良恢复的有希望的方法.
科学领域:
- 营养科学和免疫学
- 微生物组研究的研究.
- 儿科卫生健康 儿科卫生健康
背景情况:
- 严重急性营养不良 (SAM) 影响着1400万5岁以下的儿童,标准治疗往往导致不完全康复.
- 治疗SAM的儿童经常过渡到中度急性营养不良 (MAM),表明需要更有效的干预措施.
- 了解营养,微生物组和宿主生理学之间的相互作用对于改善恢复结果至关重要.
研究的目的:
- 评估微生物组导向补充食品 (MDCF-2) 与标准即用补充食品 (RUSF) 相比,在孟加拉国从SAM.康复的儿童中对微生物组导向补充食品 (MDCF-2) 的有效性.
- 调查干预对等离子体蛋白质组概况及其与人体测量回收的关联的影响.
- 探索肠道微生物组,包括特定细菌菌株在调解营养干预效应中的作用.
主要方法:
- 一项随机对照试验 (RCT) 涉及12至18个月的孟加拉儿童接受SAM治疗.
- 干预组在住院后3个月接受MDCF-2或RUSF.
- 分析了血蛋白水平和便微生物组合,以及人体测量 (体重对长度z分数,WLZ).
主要成果:
- 与RUSF相比,MDCF-2治疗导致WLZ改善率显著提高 (P = 8.73 × 10-3).
- 分析显示,有215种与WLZ积极相关的血蛋白质,主要与肌肉骨和中枢神经系统发育有关,以及44种与免疫激活相关的负相关蛋白质.
- MDCF-2显著丰富了与MDCF-2相关的蛋白质 (q = 1.1 × 10-6),并且特定的Prevotella copri菌株被确定为微生物对MDCF-2的反应中的关键参与者.
结论:
- 与标准干预相比,MDCF-2在促进SAM儿童的人类测量恢复方面表现出卓越的有效性.
- 该干预调节了血蛋白质概况,表明营养,微生物组和宿主发育之间存在联系.
- 需要进一步的研究来证实MDCF的有效性,并确定治疗反应的生物标志物.
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