肠道菌群
生物
免疫系统
肠-脑轴
益生菌
动物模型
免疫学
动物研究
遗传学
细菌
内分泌学
标识
DOI:10.1016/j.coph.2019.03.016
摘要
Gut microbiota has a crucial role in the maintenance of health. Increasing evidence suggests that changes or disturbances in gut microbiota may be associated with various diseases. Therefore, preclinical and clinical studies related to gut microbiota are becoming increasingly important. Germ-free animal experimentation is one of the most important in vivo experimental models for preclinical studies on gut microbiota interactions. It represents a model to study effect of probiotic research and other experimental animal studies requiring careful control of outside contaminants that can affect the trial. Germ-free animals have defected immune systems, so they are used to model immune mediated metabolic, peripheral, and central diseases. In addition, gut–brain axis studies have recently increased. This minireview provides current information on this model and discusses the validity of its use in gut microbiota studies.
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