袖状胃切除术示意图
结果并不出乎意料,接受了手术的志愿者体重迅速减少,高血糖、胰岛素抵抗和炎症反应显著减轻,代谢循环中的谷氨酸含量也大大减少。更重要的是,他们肠道中的多形拟杆菌随着体重的下降慢慢增加,在3个月时,几乎恢复到了与对照组的苗条人群同样的水平!
这个以我国汉族年轻人为样本的“本土化”研究其实也是“精准医学”的一个缩影,不同的遗传背景和环境以及饮食习惯塑造了不同的肠道菌群。所以基于这个研究,未来,科学家们会不会开发出针对中国肥胖人群的肠道微生物制剂呢?甚至可能这一思路对其他疾病的研究也会产生影响,改变许多疾病的治疗。奇点糕忍不住要感叹一句,肠道微生物果然是“一座神秘的宝矿”啊!
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