Gut microbiota regulates acute myeloid leukaemia via alteration of intestinal barrier function mediated by butyrate.

Gut microbiota regulates acute myeloid leukaemia via alteration of intestinal barrier function mediated by butyrate.
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肠道微生物群通过改变丁酸盐介导的肠道屏障功能来调节急性髓性白血病

DOI:
10.1038/s41467-022-30240-8
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发表时间:
2022-05-09
影响因子:
16.6
通讯作者:
Ma, Daoxin
Ma, Daoxin
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Wang, Ruiqing;Yang, Xinyu;Liu, Jinting;Zhong, Fang;Zhang, Chen;Chen, Yuhong;Sun, Tao;Ji, Chunyan;Ma, Daoxin

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肠道微生物区系与许多癌症有关,但它在急性髓系白血病(AML)进展中的作用尚不清楚。在这里,我们显示了AML患者或小鼠模型肠道微生物区系的多样性降低。抗生素治疗引起的肠道微生物区系失调加速了小鼠急性髓系白血病的进展,而粪便微生物区系移植则逆转了这一过程。肠道微生物群(尤其是粪便杆菌)产生的丁酸盐显著减少了AML患者粪便中的丁酸,而灌胃丁酸盐或粪便杆菌则延缓了小鼠AML的进展。此外,我们发现急性髓细胞白血病小鼠的肠道屏障受损,加速了脂多糖(LPS)向血液中的渗漏。在体外和体内,脂多糖的增加加剧了白血病的进展。丁酸盐可修复急性髓系白血病小鼠肠屏障损伤,抑制内毒素吸收。总的来说,我们证明肠道微生物区系以一种代谢物依赖的方式促进AML的进展,并且以肠道微生物区系为靶点可能为AML提供一种治疗选择。
The gut microbiota has been linked to many cancers, yet its role in acute myeloid leukaemia (AML) progression remains unclear. Here, we show decreased diversity in the gut microbiota of AML patients or murine models. Gut microbiota dysbiosis induced by antibiotic treatment accelerates murine AML progression while faecal microbiota transplantation reverses this process. Butyrate produced by the gut microbiota (especiallyFaecalibacterium) significantly decreases in faeces of AML patients, while gavage with butyrate orFaecalibacteriumpostpones murine AML progression. Furthermore, we find the intestinal barrier is damaged in mice with AML, which accelerates lipopolysaccharide (LPS) leakage into the blood. The increased LPS exacerbates leukaemia progression in vitro and in vivo. Butyrate can repair intestinal barrier damage and inhibit LPS absorption in AML mice. Collectively, we demonstrate that the gut microbiota promotes AML progression in a metabolite-dependent manner and that targeting the gut microbiota might provide a therapeutic option for AML.
DOI: 10.1038/ni.3400
发表时间: 2016-05
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影响因子: 30.5
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人肠道菌群和胃肠道癌。
DOI: 10.1016/j.gpb.2017.06.002
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期刊: Genomics, proteomics & bioinformatics
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