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排序方式: 共有259条查询结果,搜索用时 15 毫秒
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肠道菌群多指生活在人体小肠、结肠和盲肠的细菌群,种类超过1000种,基因数目超过人体100倍,是人体已知最大的微生物群,与宿主的代谢健康密切相关.基因功能注释和代谢组学的成熟和推广,丰富了宿主与微生物组间的探索维度.抗生素影响肠道菌群组成和抗生素耐药基因负荷,抗生素使用后肠道菌群形成新的稳态,干扰疾病和治疗进程,并与个... 相似文献
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Lynne V McFarland 《World journal of gastroenterology : WJG》2010,16(18):2202-2222
This article reviews the evidence for efficacy and safety of Saccharomyces boulardii(S.boulardii) for various disease indications in adults based on the peerreviewed,randomized clinical trials and pre-clinical studies from the published medical literature(Medline,Clinical Trial websites and meeting abstracts) between 1976 and 2009.For meta-analysis,only randomized,blinded controlled trials unrestricted by language were included.Pre-clinical studies,volunteer studies and uncontrolled studies were excluded fr... 相似文献
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Steffen Wohlgemuth Gunnar LohMichael Blaut 《International journal of medical microbiology : IJMM》2010,300(1):3-10
The quest for a better understanding of how probiotics work has boosted an enormous interest in the molecular processes underlying host-microbe interactions. This review covers recent developments and perspectives in the study of probiotic mechanisms. 相似文献
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Laura Calvo-Barreiro Herena Eixarch Xavier Montalban Carmen Espejo 《Autoimmunity reviews》2018,17(2):165-174
The commensal microbiota has emerged as an environmental risk factor for multiple sclerosis (MS). Studies in experimental autoimmune encephalomyelitis (EAE) models have shown that the commensal microbiota is an essential player in triggering autoimmune demyelination. Likewise, the commensal microbiota modulates the host immune system, alters the integrity and function of biological barriers and has a direct effect on several types of central nervous system (CNS)-resident cells. Moreover, a characteristic gut dysbiosis has been recognized as a consistent feature during the clinical course of MS, and the MS-related microbiota is gradually being elucidated. This review highlights animal studies in which commensal microbiota modulation was tested in EAE, as well as the mechanisms of action and influence of the commensal microbiota not only in the local milieu but also in the innate and adaptive immune system and the CNS. Regarding human research, this review focuses on studies that show how the commensal microbiota might act as a pathogenic environmental risk factor by directing immune responses towards characteristic pathogenic profiles of MS. We speculate how specific microbiome signatures could be obtained and used as potential pathogenic events and biomarkers for the clinical course of MS. Finally, we review recently published and ongoing clinical trials in MS patients regarding the immunomodulatory properties exerted by some microorganisms. Because MS is a complex disease with a large variety of associated environmental risk factors, we suggest that current treatments combined with strategies that modulate the commensal microbiota would constitute a broader immunotherapeutic approach and improve the clinical outcome for MS patients. 相似文献
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