{"id":26100,"date":"2020-05-04T11:19:37","date_gmt":"2020-05-04T09:19:37","guid":{"rendered":"https:\/\/www.nutrex.eu\/insights\/les-endotoxines-expliquees\/"},"modified":"2025-03-05T10:33:54","modified_gmt":"2025-03-05T09:33:54","slug":"les-endotoxines-expliquees","status":"publish","type":"insights","link":"https:\/\/www.nutrex.eu\/fr\/articles\/les-endotoxines-expliquees\/","title":{"rendered":"Les endotoxines expliqu\u00e9es!"},"content":{"rendered":"\n<div class=\"block block-hero block-hero--small text-left  block-hero--onlyTitle \" id=\"block_c45fa9962d4a8009fded464f409816ba\">\n\n            <div class=\"block-hero__img\" style=\"background-image: url(https:\/\/www.nutrex.eu\/wp-content\/uploads\/2021\/08\/gastro-intestinal-tract_1623x1080-canva-1600x350.png)\"><\/div>\n        <div class=\"block-hero__content\">\n            <div class=\"container mt-sm-n15 mt-md-n40\">\n                <div class=\"row\">\n                    <div class=\"col\">\n                         \t\t\t\t\t\t\n\t\t\t\t\t\t\t<h1 class=\"block-hero__title text-white\">Les endotoxines expliqu\u00e9es!<\/h1>\t\t\t\t\t\n                                            <\/div>\n                <\/div>\n                <div class=\"row\">\n                    <div class=\"col\">\n                        \n                                            <\/div>\n                <\/div>\n            <\/div>\n        <\/div>\n\n    <\/div>\n\n<div class=\"block block-image-text   \" data-aos=\"\" id=\"block_b2f9f11783dd68d21ebad7596ab8c628\">\n    <div class=\"container\">\n        <div class=\"row align-items-center\">\n                        <div class=\"col-md-6 order-md-last\">\n                <figure>\n                                        <img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.nutrex.eu\/wp-content\/uploads\/2020\/04\/ETS-Lipopolysaccharide-location-ABC-800x600.png\" class=\"img-fluid\" alt=\"\" title=\"ETS-Lipopolysaccharide-location-ABC\" srcset=\"https:\/\/www.nutrex.eu\/wp-content\/uploads\/2020\/04\/ETS-Lipopolysaccharide-location-ABC-800x600.png 800w, https:\/\/www.nutrex.eu\/wp-content\/uploads\/2020\/04\/ETS-Lipopolysaccharide-location-ABC-1600x1200.png 1600w, https:\/\/www.nutrex.eu\/wp-content\/uploads\/2020\/04\/ETS-Lipopolysaccharide-location-ABC-400x300.png 400w, https:\/\/www.nutrex.eu\/wp-content\/uploads\/2020\/04\/ETS-Lipopolysaccharide-location-ABC-768x576.png 768w, https:\/\/www.nutrex.eu\/wp-content\/uploads\/2020\/04\/ETS-Lipopolysaccharide-location-ABC-1536x1152.png 1536w, https:\/\/www.nutrex.eu\/wp-content\/uploads\/2020\/04\/ETS-Lipopolysaccharide-location-ABC-290x218.png 290w, https:\/\/www.nutrex.eu\/wp-content\/uploads\/2020\/04\/ETS-Lipopolysaccharide-location-ABC-600x450.png 600w, https:\/\/www.nutrex.eu\/wp-content\/uploads\/2020\/04\/ETS-Lipopolysaccharide-location-ABC.png 1920w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/>                    \n                                        <figcaption class=\"pt-10\">Origin and chemical structure of lipopolysaccharides (LPS). A: Gram-negative bacteria; B: cell wall of Gram-negative bacteria; C LPS; D: outer O-polysaccharide: E: inner R-polysaccharide; F: lipid A<\/figcaption>\n                                    <\/figure>\n            <\/div>\n            \n            \n                        <div class=\"col-md-6 order-md-first  \">\n                                    <h3 class=\"h3\">Les endotoxines sont\u2026<\/h3>\n                \n                                    <p>Les endotoxines sont des compos\u00e9s toxiques d\u2019origine bact\u00e9rienne. Les endotoxines les plus connues sont les lipopolysaccharides (LPS), qui font partie de la paroi cellulaire des bact\u00e9ries Gram-n\u00e9gatives (par exemple E. coli, Salmonella). Les LPS de toutes les bact\u00e9ries Gram-n\u00e9gatives, commensales ou pathog\u00e8nes, partagent la m\u00eame structure chimique, \u00e9tant un O-polysaccharide externe, un R-polysaccharide interne et une fraction lipidique A. Ce dernier est porteur de l\u2019activit\u00e9 endotoxique des LPS et entra\u00eene l\u2019activation du syst\u00e8me immunitaire. L\u2019endotoxicit\u00e9 du lipide A varie selon les bact\u00e9ries et d\u00e9pend de plusieurs facteurs structurels.    <\/p>\n                \n                            <\/div>\n                    <\/div>\n    <\/div>\n<\/div>\n\n<div class=\"block block-image-text   \" data-aos=\"\" id=\"block_ff7e29847c5a803b71d6efbf945df4e4\">\n    <div class=\"container\">\n        <div class=\"row align-items-center\">\n                        <div class=\"col-md-6 \">\n                <figure>\n                                        <img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.nutrex.eu\/wp-content\/uploads\/2020\/04\/risk-factors-impaired-intestinal-barrier-800x600.png\" class=\"img-fluid\" alt=\"\" title=\"risk-factors-impaired-intestinal-barrier\" srcset=\"https:\/\/www.nutrex.eu\/wp-content\/uploads\/2020\/04\/risk-factors-impaired-intestinal-barrier-800x600.png 800w, https:\/\/www.nutrex.eu\/wp-content\/uploads\/2020\/04\/risk-factors-impaired-intestinal-barrier-1600x1200.png 1600w, https:\/\/www.nutrex.eu\/wp-content\/uploads\/2020\/04\/risk-factors-impaired-intestinal-barrier-400x300.png 400w, https:\/\/www.nutrex.eu\/wp-content\/uploads\/2020\/04\/risk-factors-impaired-intestinal-barrier-768x576.png 768w, https:\/\/www.nutrex.eu\/wp-content\/uploads\/2020\/04\/risk-factors-impaired-intestinal-barrier-1536x1152.png 1536w, https:\/\/www.nutrex.eu\/wp-content\/uploads\/2020\/04\/risk-factors-impaired-intestinal-barrier-290x218.png 290w, https:\/\/www.nutrex.eu\/wp-content\/uploads\/2020\/04\/risk-factors-impaired-intestinal-barrier-600x450.png 600w, https:\/\/www.nutrex.eu\/wp-content\/uploads\/2020\/04\/risk-factors-impaired-intestinal-barrier.png 1920w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/>                    \n                                        <figcaption class=\"pt-10\">Factors known to increase gut permeability: antibiotics, fatty liver, feed transition, heat stress, pathogens, SARA, mycotoxins, weaning.<\/figcaption>\n                                    <\/figure>\n            <\/div>\n            \n            \n                        <div class=\"col-md-6   \">\n                                    <h3 class=\"h3\">Les endotoxines sont toujours et partout pr\u00e9sentes!<\/h3>\n                \n                                    <p>Au cours de la division et de la lyse bact\u00e9riennes normales, les mol\u00e9cules de LPS sont lib\u00e9r\u00e9es de la membrane externe de la bact\u00e9rie dans l\u2019environnement, comme l\u2019air, l\u2019eau, le sol et le tube digestif (TGI). Le TIG des animaux de production est colonis\u00e9 par divers microorganismes, dont une grande quantit\u00e9 d\u2019esp\u00e8ces bact\u00e9riennes formant la plus grande population du microbiote intestinal. Par cons\u00e9quent, les endotoxines sont particuli\u00e8rement abondantes dans l\u2019intestin des animaux de production. Le tractus gastro-intestinal est la source la plus importante d\u2019endotoxines. Une fois que les endotoxines ont franchi la barri\u00e8re intestinale, par des voies paracellulaires ou transcellulaires, elles d\u00e9clenchent une r\u00e9ponse inflammatoire consommant l\u2019\u00e9nergie et les nutriments n\u00e9cessaires \u00e0 la croissance et \u00e0 la production. Une barri\u00e8re intestinale efficace est donc essentielle pour emp\u00eacher la translocation des endotoxines. Toutefois, plusieurs facteurs (par exemple, le stress thermique, les mycotoxines, les agents pathog\u00e8nes, la transition alimentaire, le sevrage) sont connus pour augmenter la perm\u00e9abilit\u00e9 intestinale, favorisant la translocation des endotoxines.  <\/p>\n                \n                            <\/div>\n                    <\/div>\n    <\/div>\n<\/div>\n\n\n<div class=\"block block-editor text-left   \" data-aos=\"none\" id=\"block_d54e73cc6901a6cbdf4ff4f35fb65b00\">\n    <div class=\"container\">\n        <div class=\"row\">\n            <div class=\"col   text-left\">\n                                    <h2 class=\"nag__h4 h2\">Les endotoxines induisent une inflammation<\/h2>\n                \n                                    <div class=\"c-text\">\n                        <p>Une fois dans la circulation, les endotoxines <span style=\"color: #81ab34;\"><strong><a style=\"color: #81ab34;\" href=\"https:\/\/www.nutrex.eu\/fr\/articles\/endotoxines-inducteurs-dinflammation\/\">induisent une r\u00e9ponse inflammatoire<\/a><\/strong><\/span> qui consomme beaucoup d\u2019\u00e9nergie et de nutriments au d\u00e9triment de la production de viande, d\u2019\u0153ufs et de lait. De plus, les endotoxines peuvent d\u00e9clencher de multiples troubles m\u00e9taboliques tels que la boiterie et la st\u00e9atose h\u00e9patique. Dans le pire des cas, des quantit\u00e9s \u00e9lev\u00e9es d\u2019endotoxines provoquent un choc septique et m\u00eame la mort.<\/p>\n                    <\/div>\n                            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n\n<div class=\"block block-editor text-left pt-15 pt-md-20 pt-lg-30  \" data-aos=\"\" id=\"block_730fabe702095817d0cd26144e872272\">\n    <div class=\"container\">\n        <div class=\"row\">\n            <div class=\"col   text-left\">\n                                    <h4 class=\"nag__h4 h4\">Nouvelles strat\u00e9gies pour prot\u00e9ger les animaux contre les endotoxines<\/h4>\n                \n                                    <div class=\"c-text\">\n                        <p>l ressort de la discussion ci-dessus que de nouvelles strat\u00e9gies doivent \u00eatre d\u00e9velopp\u00e9es pour r\u00e9duire les effets n\u00e9gatifs des endotoxines. En particulier, des mesures doivent \u00eatre prises pour minimiser la translocation d\u2019endotoxines dans le TIG. Cela peut \u00eatre r\u00e9alis\u00e9 en renfor\u00e7ant la fonction de barri\u00e8re intestinale et en r\u00e9duisant \u00e0 la fois la quantit\u00e9 et la toxicit\u00e9 des endotoxines r\u00e9sidant dans la lumi\u00e8re de la TIG  <\/p>\n                    <\/div>\n                            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<div class=\"block block-flex pt-15 pt-md-20 pt-lg-30  \" data-aos=\"none\"  id=\"block_9f1445ca94a0ca95d1178a8efbdd5b63\">\n    <div class=\"container\">\n                \n        <div class=\"row mt-10 mt-md-20 mt-lg-40\">\n                            \n                \n\t\t\t\t\t            <div class=\"col-sm-12 col-lg-6 mb-50 mb-lg-40\">\t\t                        \n                    <div class=\" p-20 p-md-40 bg-primary bg-product text-white d-flex flex-column h-100 align-items-start\" >\n                        \n                                                                                    <a href=\"https:\/\/www.nutrex.eu\/fr\/campaign\/2024_global_product_apply-for-trial-results-fr\/endoban-demander-les-resultats-des-essais\/\" target=\"_blank\">\n                                                                                                <h3>EndoBan | R\u00e9ducteur d&rsquo;endotoxines<\/h3>\n                                                                                            <\/a>\n                                                    \n                        \n                                                    <span><p>Nutrex a d\u00e9velopp\u00e9 un nouvel additif alimentaire innovant, <a href=\"https:\/\/www.nutrex.eu\/feed-products\/endoban-endotoxin-reducer\/\" target=\"_blank\" rel=\"noopener\"><strong>EndoBan<\/strong><\/a>, en combinant diff\u00e9rentes strat\u00e9gies pour aider les agriculteurs et les usines de production d\u2019aliments \u00e0 contrer les probl\u00e8mes li\u00e9s aux endotoxines afin de prot\u00e9ger la sant\u00e9 de l\u2019animal et d\u2019am\u00e9liorer ses performances.<\/p>\n<\/span>\n                        \n                                                    <a href=\"https:\/\/www.nutrex.eu\/fr\/campaign\/2024_global_product_apply-for-trial-results-fr\/endoban-demander-les-resultats-des-essais\/\" class=\"btn btn-secondary  btn-block \" target=\"_blank\" id=\"\">\n                                Les r\u00e9f\u00e9rences sont disponibles sur demande.                            <\/a>\n                        \n                                            <\/div>\n                <\/div>\n                            \n                \n\t\t\t\t\t            <div class=\"col-sm-12 col-lg-6 mb-50 mb-lg-40\">\t\t                        \n                    <div class=\"  d-flex flex-column h-100 align-items-start\" >\n                        \n                        \n                        \n                        \n                        \n                                            <\/div>\n                <\/div>\n                    <\/div>\n    <\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Les endotoxines, principalement les <b>lipopolysaccharides (LPS)<\/b>, sont des <b>compos\u00e9s toxiques issus de bact\u00e9ries Gram-n\u00e9gatives<\/b>. Elles sont lib\u00e9r\u00e9es dans l&rsquo;environnement et le <b>tractus gastro-intestinal (TGI)<\/b> lors de la croissance et de la lyse bact\u00e9rienne. Lorsque les animaux sont soumis \u00e0 divers facteurs de stress ou \u00e0 une immunosuppression, leur capacit\u00e9 \u00e0 neutraliser ces toxines diminue, ce qui <b>affecte leur sant\u00e9, leur croissance et leur productivit\u00e9<\/b>.<\/p>\n","protected":false},"featured_media":21073,"template":"","category_product":[2852,2858,3168],"insight_categories":[],"solutions":[3036,3002,3022,3012,3024,3010,3034,3016],"spiecies":[2849,2878,2876,2877,2875],"class_list":["post-26100","insights","type-insights","status-publish","has-post-thumbnail","hentry","category_product-endotoxin-reducers","category_product-reducteurs-dendotoxines-fr","category_product-reducteurs-de-toxines-fr","solutions-gestion-des-toxines","solutions-meat-production-quality","solutions-production-et-qualite-de-la-viande","solutions-production-et-qualite-des-oeufs","solutions-production-et-qualite-du-lait","solutions-reduction-des-antibiotiques","solutions-sante-du-rumen","solutions-sante-intestinale","spiecies-aquaculture","spiecies-porcs","spiecies-ruminants","spiecies-volaille"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Les endotoxines expliqu\u00e9es! - Nutrex<\/title>\n<meta name=\"description\" content=\"Les endotoxines les plus connues sont les lipopolysaccharides (LPS), qui font partie de la paroi cellulaire des bact\u00e9ries Gram-n\u00e9gatives. Lors de la division et de la lyse normales des bact\u00e9ries, les mol\u00e9cules de LPS sont lib\u00e9r\u00e9es de la membrane externe de la bact\u00e9rie dans l&#039;environnement, comme l&#039;air, l&#039;eau, le sol et le tube digestif (TGI).\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.nutrex.eu\/fr\/articles\/les-endotoxines-expliquees\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les endotoxines expliqu\u00e9es! - Nutrex\" \/>\n<meta property=\"og:description\" content=\"Les endotoxines les plus connues sont les lipopolysaccharides (LPS), qui font partie de la paroi cellulaire des bact\u00e9ries Gram-n\u00e9gatives. 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