人体肠道内寄生着数十万亿个细菌,它们能影响体重、消化能力、抵御感染和自体免疫疾病的患病风险。美国和法国的科研人员日前发现,肠道菌群还能控制人体对癌症治疗药物的反应。法国巴斯德研究所等机构的研究结果显示,常用于肿瘤化疗的药物环磷酰胺能够破坏肠道黏膜层,让肠道细菌进入循环系统,其中一些到达脾和淋巴结的细菌能促进形成免疫细胞,而后者会攻击癌细胞。但当研究人员用抗生素杀死实验鼠的肠道细菌后,环磷酰胺间接促生免疫细胞的能力会大大降低。美国国家癌症研究院的,科研人员选取正 Hundreds of trillions of bacteria are parasitic in the human gut that can affect weight, digestibility, and risk of infection and autoimmune disease. Researchers in the United States and France have recently discovered that the gut flora can also control the body’s response to cancer therapies. France Pasteur Institute and other agencies of the research results show that commonly used in cancer chemotherapy drug cyclophosphamide can damage the intestinal mucosa, enter the gut bacteria into the circulatory system, some of which reach the spleen and lymph nodes of bacteria can promote the formation of immune cells , While the latter attack cancer cells. However, when researchers used antibiotics to kill gut bacteria in mice, the ability of cyclophosphamide to indirectly promote immune cells was greatly diminished. National Cancer Institute, researchers selected positive