D-Psicose intake exacerbates DSS-induced colitis in mice through alteration in the gut microbiota and dysfunction of mucosal barrier

D-Psicose intake exacerbates DSS-induced colitis in mice through alteration in the gut microbiota and dysfunction of mucosal barrier | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Article D-Psicose intake exacerbates DSS-induced colitis in mice through alteration in the gut microbiota and dysfunction of mucosal barrier Shuo Wang, Xuejiao Zhang, Ang Li, Yuanyifei Wang, Jin Wang, Bowei Zhang, and 2 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-1879900/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract D-Psicose, as a low-calorie rare sugar, has attracted a lot of attention in recent years for alternating to sucrose. The anti-obesity effect of D-Psicose has been extensively confirmed in previous studies, however, the impact of D-Psicose on colitis remains vague. Here, we firstly evaluated the effect of 21 days of D-Psicose prophylactic intervention on DSS-induced colitis in C57BL/6 mice. The pathological symptoms, inflammatory cytokines levels, gut microbiota composition, short chain fatty acids production and colonic barrier integrity were comprehensively evaluated. The results confirmed that D-Psicose intervention aggravated colitis, characterized by the exacerbation of colon shortening, increase of colonic inflammatory infiltration, and marked exaltation of disease activity indices and IL-6, IL-1β and TNF-α levels. Further, the dysfunction of gut microbiota was identified in the Psicose group. The abundance of pro-inflammatory bacteria Lachnospiraceae_NK4A136_group was significantly up-regulated while the abundance of probiotics Akkermansia and Lactobacillus were significantly down-regulated in the Psicose group compared to the Model group. Moreover, the production of short chain fatty acids was suppressed in the Psicose group, accompanied by a decrease in the level of Muc-2. Collectively, the underlying mechanism of the exacerbation of colitis by D-Psicose intervention might be attributed to microbiota dysfunction accompanied by the reduction of short chain fatty acids, which leads to the damage of the mucosal barrier and the intensification of inflammatory invasion. D-Psicose Colitis Gut microbiota Short chain fatty acids Muc-2 Full Text Additional Declarations (Not answered) Cite Share Download PDF Status: Posted Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-1879900","acceptedTermsAndConditions":true,"allowDirectSubmit":true,"archivedVersions":[],"articleType":"Article","associatedPublications":[],"authors":[{"id":126256775,"identity":"ab7430e8-38ef-483f-a8cb-f3285625c46d","order_by":0,"name":"Shuo 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The anti-obesity effect of D-Psicose has been extensively confirmed in previous studies, however, the impact of D-Psicose on colitis remains vague. Here, we firstly evaluated the effect of 21 days of D-Psicose prophylactic intervention on DSS-induced colitis in C57BL/6 mice. The pathological symptoms, inflammatory cytokines levels, gut microbiota composition, short chain fatty acids production and colonic barrier integrity were comprehensively evaluated. The results confirmed that D-Psicose intervention aggravated colitis, characterized by the exacerbation of colon shortening, increase of colonic inflammatory infiltration, and marked exaltation of disease activity indices and IL-6, IL-1β and TNF-α levels. Further, the dysfunction of gut microbiota was identified in the Psicose group. The abundance of pro-inflammatory bacteria Lachnospiraceae_NK4A136_group was significantly up-regulated while the abundance of probiotics Akkermansia and Lactobacillus were significantly down-regulated in the Psicose group compared to the Model group. Moreover, the production of short chain fatty acids was suppressed in the Psicose group, accompanied by a decrease in the level of Muc-2. 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