{"id":8003,"date":"2024-08-11T17:39:24","date_gmt":"2024-08-11T17:39:24","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=8003"},"modified":"2024-08-11T17:39:24","modified_gmt":"2024-08-11T17:39:24","slug":"career","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/fr\/career\/","title":{"rendered":"Progr\u00e8s de la recherche sur les inhibiteurs naturels \u00e0 petites mol\u00e9cules bas\u00e9s sur la glycolyse a\u00e9robie"},"content":{"rendered":"<p>Progr\u00e8s de la recherche sur les inhibiteurs naturels \u00e0 petites mol\u00e9cules bas\u00e9s sur la glycolyse a\u00e9robie<br \/>\nLes tumeurs malignes restent une maladie importante qui menace gravement la vie et la sant\u00e9 humaines. Les cellules tumorales pr\u00e9sentent des caract\u00e9ristiques anormales de m\u00e9tabolisme \u00e9nerg\u00e9tique, utilisant la glycolyse pour fournir de l'\u00e9nergie m\u00eame dans un environnement riche en oxyg\u00e8ne. Environ 50% d'ATP dans les cellules tumorales sont synth\u00e9tis\u00e9s par la glycolyse a\u00e9robie. Les cellules tumorales peuvent non seulement utiliser les produits interm\u00e9diaires de la voie de la glycolyse pour fournir des mati\u00e8res premi\u00e8res pour le m\u00e9tabolisme synth\u00e9tique, mais aussi l'augmentation du lactate caus\u00e9e par la voie de la glycolyse peut fournir un environnement de croissance acide aux cellules tumorales, ce qui favorise leur infiltration et la formation de m\u00e9tastases. Le m\u00e9canisme de l'activit\u00e9 de la glycolyse dans les cellules tumorales est complexe et r\u00e9sulte de la combinaison de multiples facteurs, notamment des structures transmembranaires favorables \u00e0 la glycolyse, un m\u00e9tabolisme anormal des enzymes glycolytiques cl\u00e9s, une expression anormale des oncog\u00e8nes et des voies de signalisation, etc. L'ajustement des enzymes glycolytiques est la voie la plus importante pour renforcer l'activit\u00e9 et la surexpression de la glycolyse. Des \u00e9tudes ont montr\u00e9 que les transporteurs de glucose (GLUT) peuvent promouvoir le transport du glucose sur la membrane cellulaire, tandis que la pyruvate d\u00e9shydrog\u00e9nase kinase (PDK), la lactate d\u00e9shydrog\u00e9nase A (LDHA), la pyruvate kinase (PKM), l'hexokinase (HK) sont des enzymes cl\u00e9s limitant le taux dans le processus de glycolyse, et elles sont fortement exprim\u00e9es dans de nombreuses tumeurs malignes, telles que le cancer du foie, le cancer du poumon et le cancer du sein. En outre, l'inhibition de la glycolyse a\u00e9robie peut supprimer efficacement la prolif\u00e9ration des cellules tumorales et favoriser leur apoptose. En modifiant les commutations m\u00e9taboliques induites par l'hypoxie et en ciblant ces enzymes sp\u00e9cifiques pour r\u00e9duire l'activit\u00e9 des cellules tumorales, l'inversion de l'effet Warburg est devenue une voie importante pour le traitement antitumoral.<br \/>\nLa recherche a montr\u00e9 que les 14 membres de la famille des transporteurs de glucose (GLUT) sont capables de transporter des hexoses et des polyols. Les GLUT1-5 sont des transporteurs de glucose et\/ou de fructose dans divers tissus et types de cellules. Le processus m\u00e9tabolique de la glycolyse a\u00e9robie (voir figure 1) indique que le microenvironnement hypoxique de la plupart des tumeurs peut induire une forte expression de GLUT1, augmentant ainsi la capacit\u00e9 d'absorption du glucose par les cellules tumorales. Ce processus est \u00e0 la base de la production de l'effet Warburg par les cellules tumorales. L'hexokinase (HK) est la premi\u00e8re enzyme limitant la vitesse de la glycolyse, tandis que la phosphofructokinase 1 (PFK1) est la deuxi\u00e8me enzyme limitant la vitesse de la glycolyse. Son activit\u00e9 est r\u00e9gul\u00e9e par la phosphofructokinase-2\/fructose-2,6-diphosphatase (PFKFB). L'ac\u00e9toac\u00e9tate kinase (PK) poss\u00e8de quatre isoformes, M1, M2, L et R, et est la troisi\u00e8me enzyme limitant la vitesse de la glycolyse. La PKM2 est largement surexprim\u00e9e dans les tissus tumoraux. La lactate d\u00e9shydrog\u00e9nase (LDH) catalyse l'\u00e9tape finale du processus de glycolyse, \u00e0 savoir l'interconversion du lactate et du pyruvate. Les cellules tumorales expriment principalement le sous-type de lactate d\u00e9shydrog\u00e9nase LDHA. Un taux \u00e9lev\u00e9 de LDHA dans les tumeurs favorise non seulement la glycolyse, mais aussi la production de lactate, remodelant ainsi le microenvironnement tumoral. Cet article r\u00e9sume les derniers progr\u00e8s et les m\u00e9canismes d'action de la recherche sur les prot\u00e9ines susmentionn\u00e9es et leurs inhibiteurs naturels cibl\u00e9s \u00e0 base de petites mol\u00e9cules, et fournit des r\u00e9f\u00e9rences pour la recherche dans des domaines connexes.<\/p>\n<p>&nbsp;<\/p>\n<p>La glycolyse a\u00e9robie, en tant que m\u00e9tabolisme \u00e9nerg\u00e9tique sp\u00e9cifique caract\u00e9ristique des cellules tumorales, fournit non seulement de l'\u00e9nergie et des mat\u00e9riaux pour la prolif\u00e9ration des cellules tumorales, mais aussi un environnement de croissance acide pour les cellules tumorales en raison de l'augmentation du lactate caus\u00e9e par la voie de fermentation, ce qui est propice \u00e0 leur infiltration et \u00e0 la formation de m\u00e9tastases. Cet article r\u00e9sume les inhibiteurs de petites mol\u00e9cules trouv\u00e9s dans les recherches existantes qui ciblent les enzymes cl\u00e9s de la glycolyse tumorale \u00e0 partir de sources naturelles, en refl\u00e9tant intuitivement leurs structures et en fournissant de nouvelles id\u00e9es de modification structurelle, afin de fournir une inspiration pour le d\u00e9veloppement et l'utilisation plus efficaces des ingr\u00e9dients actifs anti-tumoraux dans les produits naturels, le d\u00e9veloppement de la multir\u00e9sistance aux m\u00e9dicaments dans les tumeurs invers\u00e9es, l'am\u00e9lioration de l'efficacit\u00e9 de la chimioth\u00e9rapie conventionnelle et l'am\u00e9lioration de la sensibilit\u00e9 des tumeurs aux m\u00e9dicaments chimioth\u00e9rapeutiques.<\/p>","protected":false},"excerpt":{"rendered":"<p>Research progress on natural small molecule inhibitors based on aerobic glycolysis Malignant tumors are still an important disease that seriously threatens human life and health. Tumor cells exhibit abnormal energy metabolism characteristics, using glycolysis to provide energy even in an oxygen rich environment. Approximately 50% of ATP in tumor cells is synthesized through aerobic glycolysis. [&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>Research progress on natural small molecule inhibitors based on aerobic glycolysis - 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\/career\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Research progress on natural small molecule inhibitors based on aerobic glycolysis - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Research progress on natural small molecule inhibitors based on aerobic glycolysis Malignant tumors are still an important disease that seriously threatens human life and health. Tumor cells exhibit abnormal energy metabolism characteristics, using glycolysis to provide energy even in an oxygen rich environment. Approximately 50% of ATP in tumor cells is synthesized through aerobic glycolysis. 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Tumor cells exhibit abnormal energy metabolism characteristics, using glycolysis to provide energy even in an oxygen rich environment. Approximately 50% of ATP in tumor cells is synthesized through aerobic glycolysis. 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