{"id":7511,"date":"2024-08-06T20:15:54","date_gmt":"2024-08-06T20:15:54","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=7511"},"modified":"2024-08-06T20:15:54","modified_gmt":"2024-08-06T20:15:54","slug":"study-on-the-lignans-in-eucommia-ulmoides-bark-and-their-protective-effects-on-high-glucose-induced-glomerular-mesangial-cells","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/fr\/etude-des-lignanes-de-lecorce-deucommia-ulmoides-et-de-leurs-effets-protecteurs-sur-les-cellules-mesangiales-glomerulaires-induites-par-un-taux-eleve-de-glucose\/","title":{"rendered":"\u00c9tude des lignanes de l'\u00e9corce d'Eucommia ulmoides et de leurs effets protecteurs sur les cellules m\u00e9sangiales glom\u00e9rulaires induites par un taux \u00e9lev\u00e9 de glucose"},"content":{"rendered":"<p>\u00c9tude des lignanes de l'\u00e9corce d'Eucommia ulmoides et de leurs effets protecteurs sur les cellules m\u00e9sangiales glom\u00e9rulaires induites par un taux \u00e9lev\u00e9 de glucose<br \/>\nEucommia ulmoides est l'\u00e9corce s\u00e9ch\u00e9e d'Eucommia ulmoides Oliv, une plante de la famille des Eucommia. De nature chaude et de go\u00fbt sucr\u00e9, elle a pour effet de nourrir le foie et les reins, de renforcer les muscles et les os et de pr\u00e9venir les fausses couches. Elle est utilis\u00e9e dans les cas de d\u00e9ficience du foie et des reins, de douleurs \u00e0 la taille et aux genoux, de faiblesse musculaire, d'\u00e9tourdissements et de vertiges, de fuites de sang pendant la grossesse et d'instabilit\u00e9 f\u0153tale. L'Eucommia ulmoides est principalement r\u00e9pandue dans des provinces telles que le Hunan, le Hubei, le Henan, le Shanxi et le Sichuan. Il s'agit d'une plante nationale prot\u00e9g\u00e9e de deuxi\u00e8me classe, dont les principaux composants sont les lignanes, les irido\u00efdes, les flavono\u00efdes, les ph\u00e9nylpropano\u00efdes, les terp\u00e8nes, les polysaccharides, etc. La recherche pharmacologique moderne a montr\u00e9 que l'Eucommia ulmoides a des effets pharmacologiques tels que la r\u00e9duction de la pression art\u00e9rielle, la r\u00e9gulation des lipides sanguins, la r\u00e9duction de la glyc\u00e9mie, la lutte contre les tumeurs, les antibact\u00e9riens, les anti-inflammatoires, les antioxydants, la protection du foie et des reins, et la lutte contre l'ost\u00e9oporose. Le diab\u00e8te est une maladie m\u00e9tabolique dont l'incidence et la mortalit\u00e9 sont \u00e9lev\u00e9es. La n\u00e9phropathie diab\u00e9tique est l'une des complications les plus courantes chez les patients diab\u00e9tiques et la cause la plus fr\u00e9quente d'insuffisance r\u00e9nale terminale. La d\u00e9couverte de m\u00e9dicaments capables d'am\u00e9liorer la fonction r\u00e9nale dans un environnement \u00e0 forte teneur en glucose pr\u00e9sente un int\u00e9r\u00eat clinique important. La recherche a montr\u00e9 que les lignanes d'Eucommia ulmoides peuvent r\u00e9duire les niveaux de prot\u00e9ines urinaires chez les rats souffrant de l\u00e9sions r\u00e9nales, inhiber la prolif\u00e9ration des cellules m\u00e9sangiales glom\u00e9rulaires induite par l'angiotensine II, am\u00e9liorer la fonction r\u00e9nale et avoir un effet protecteur contre les l\u00e9sions r\u00e9nales induites par l'hypertension. Il peut \u00e9galement inhiber de mani\u00e8re significative les changements morphologiques des cellules \u00e9pith\u00e9liales tubulaires r\u00e9nales induits par le glucose et antagoniser la transdiff\u00e9renciation des cellules \u00e9pith\u00e9liales tubulaires r\u00e9nales induite par le glucose, mais les ingr\u00e9dients actifs sp\u00e9cifiques n'ont pas \u00e9t\u00e9 d\u00e9termin\u00e9s. Pour enrichir la composition chimique et les types structurels d'Eucommia ulmoides, des compos\u00e9s ayant une activit\u00e9 de protection r\u00e9nale ont \u00e9t\u00e9 s\u00e9lectionn\u00e9s \u00e0 partir des lignanes d'Eucommia ulmoides. Dans cette exp\u00e9rience, les lignanes de l'extrait aqueux de l'\u00e9corce d'Eucommia ulmoides ont \u00e9t\u00e9 isol\u00e9es et identifi\u00e9es, et les compos\u00e9s des lignanes d'Eucommia ulmoides pouvant inhiber la prolif\u00e9ration des cellules m\u00e9sangiales induite par le glucose ont fait l'objet d'un criblage pr\u00e9liminaire par dosage MTT.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7512\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/1-309.png\" alt=\"\" width=\"779\" height=\"369\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/1-309.png 779w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/1-309-768x364.png 768w\" sizes=\"(max-width: 779px) 100vw, 779px\" \/><\/p>\n<p>Cette \u00e9tude a permis d'isoler et d'identifier six lignanes \u00e0 partir de l'extrait aqueux de l'\u00e9corce d'Eucommia ulmoides, parmi lesquels le compos\u00e9 1 a \u00e9t\u00e9 isol\u00e9 d'Eucommia ulmoides pour la premi\u00e8re fois. La recherche a confirm\u00e9 que l'extrait d'Eucommia ulmoides a un bon effet protecteur sur les l\u00e9sions r\u00e9nales. Parall\u00e8lement, des \u00e9tudes ont rapport\u00e9 que les lignanes d'Eucommia ulmoides peuvent inhiber la prolif\u00e9ration des cellules m\u00e9sangiales de rat induite par l'angiotensine II et promouvoir l'apoptose cellulaire en favorisant la r\u00e9gulation \u00e0 la hausse de l'expression de P21, P27 et Bax, exer\u00e7ant ainsi une protection r\u00e9nale. Cependant, les ingr\u00e9dients actifs sp\u00e9cifiques qui exercent des effets protecteurs n'ont pas encore \u00e9t\u00e9 d\u00e9termin\u00e9s. Sur la base d'une recherche sur la composition chimique, cet article a d\u00e9couvert par un test MTT que les compos\u00e9s 2, 3 et 4 de lignanes d'Eucommia ulmoides peuvent inhiber la prolif\u00e9ration des cellules m\u00e9sangiales glom\u00e9rulaires humaines induite par le glucose \u00e0 certaines concentrations, et que le compos\u00e9 5 peut effectivement inhiber la prolif\u00e9ration des cellules m\u00e9sangiales glom\u00e9rulaires induite par le glucose de mani\u00e8re dose-d\u00e9pendante, ce qui indique que le compos\u00e9 5 a un bon effet protecteur sur les cellules r\u00e9nales. Cette \u00e9tude enrichit la biblioth\u00e8que de compos\u00e9s des mati\u00e8res m\u00e9dicinales d'Eucommia ulmoides et fournit une base mat\u00e9rielle pour le criblage de compos\u00e9s principaux ayant une activit\u00e9 protectrice sur les cellules r\u00e9nales.<\/p>","protected":false},"excerpt":{"rendered":"<p>Study on the lignans in Eucommia ulmoides bark and their protective effects on high glucose induced glomerular mesangial cells Eucommia ulmoides is the dried bark of Eucommia ulmoides Oliv., a plant in the Eucommia family. It is warm in nature and sweet in taste, and has the effects of nourishing the liver and kidneys, strengthening [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Study on the lignans in Eucommia ulmoides bark and their protective effects on high glucose induced glomerular mesangial cells - China Chemical Manufacturer<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangextracts.com\/fr\/etude-des-lignanes-de-lecorce-deucommia-ulmoides-et-de-leurs-effets-protecteurs-sur-les-cellules-mesangiales-glomerulaires-induites-par-un-taux-eleve-de-glucose\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Study on the lignans in Eucommia ulmoides bark and their protective effects on high glucose induced glomerular mesangial cells - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Study on the lignans in Eucommia ulmoides bark and their protective effects on high glucose induced glomerular mesangial cells Eucommia ulmoides is the dried bark of Eucommia ulmoides Oliv., a plant in the Eucommia family. 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