en Gut Microbiota, Dysbiosis and Immune System; A Brief Review تخصصي Special كاربردي review article The gut Microbiota is the large population of microorganisms residing in the human gastrointestinal tract. The gut Microbiota constantly interacts with the various host organs and systems. While there are many protective functions due to the gut Microbiota, changes in the composition and function of the Microbiota, which is defined as dysbiosis, has been shown in several diseased conditions. The gut Microbiota affect the immune system. While normal gut Microbiota are essential for existence of a normal immune system, dysbiosis can result in deviation of immune responses. In this article, we will talked the effects of the gut Microbiota on different elements of immune system. Gut Microbiota, Dysbiosis, Immune System, Inflammation 77 81 http://ijrabms.umsu.ac.ir/browse.php?a_code=A-10-101-9&slc_lang=en&sid=1 Nima Hosseini Jazani hosseini.n@umsu.ac.ir 1003194753284600584 1003194753284600584 Yes LABiomed, Harbor-UCLA, Torrance, California, United State Shahram Shahabi shahabirabori@gmail.com 1003194753284600585 1003194753284600585 No Hyland's Inc., Los Angeles, California, United States