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Under healthy conditions, tight junction (TJ)\u00a0proteins maintain the intestinal barrier integrity preventing bacterial translocation from the intestinal lumen to the systemic circulation. Reduction of TJs expression in Parkinson\u2019s disease patients has been linked with increased intestinal permeability\u2014leaky gut syndrome. The intestine contains microbiota, most dominant phyla being\n                    <jats:italic>Bacteroidetes<\/jats:italic>\n                    and\n                    <jats:italic>Firmicutes<\/jats:italic>\n                    ; in pathogenic or disease conditions the balance between these bacteria might be disrupted. The present study investigated whether there is evidence for an increased intestinal permeability and dysbiosis in the R6\/2 mouse model of HD. Our data demonstrate that decreased body weight and body length in R6\/2 mice is accompanied by a significant decrease in colon length and increased gut permeability compared to wild type littermates, without any significant changes in the protein levels of the tight junction proteins (occludin, zonula occludens). Moreover, we found an altered gut microbiota in R6\/2 mice with increased relative abundance of\n                    <jats:italic>Bacteroidetes<\/jats:italic>\n                    and decreased of\n                    <jats:italic>Firmicutes<\/jats:italic>\n                    . Our results indicate an increased intestinal permeability and dysbiosis in R6\/2 mice and further studies investigating the clinical relevance of these findings are warranted.\n                  <\/jats:p>","DOI":"10.1038\/s41598-020-75229-9","type":"journal-article","created":{"date-parts":[[2020,10,26]],"date-time":"2020-10-26T07:03:40Z","timestamp":1603695820000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":104,"title":["Increased intestinal permeability and gut dysbiosis in the R6\/2 mouse model of Huntington\u2019s disease"],"prefix":"10.1038","volume":"10","author":[{"given":"Tiberiu Loredan","family":"Stan","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rana","family":"Soylu-Kucharz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stephen","family":"Burleigh","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Olena","family":"Prykhodko","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ling","family":"Cao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Naomi","family":"Franke","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marie","family":"Sj\u00f6gren","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Caroline","family":"Haikal","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Frida","family":"H\u00e5llenius","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maria","family":"Bj\u00f6rkqvist","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2020,10,26]]},"reference":[{"key":"75229_CR1","doi-asserted-by":"publisher","first-page":"971","DOI":"10.1016\/0092-8674(93)90585-E","volume":"72","author":"HDCRG","year":"1993","unstructured":"HDCRG. 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