{"id":8725,"date":"2024-08-14T19:28:15","date_gmt":"2024-08-14T19:28:15","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=8725"},"modified":"2024-08-14T19:28:15","modified_gmt":"2024-08-14T19:28:15","slug":"tetracyclic-triterpenoids-in-neurological-diseases","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/da\/tetracykliske-triterpenoider-i-neurologiske-sygdomme\/","title":{"rendered":"Fremskridt i forskningen i tetracykliske triterpenoider i neurologiske sygdomme"},"content":{"rendered":"<p>Fremskridt i forskningen i tetracykliske triterpenoider i neurologiske sygdomme<br \/>\nTetracykliske triterpenoider er en vigtig klasse af sekund\u00e6re metabolitter med forskellige biologiske aktiviteter i planteriget, og de findes for det meste i form af frie stoffer eller glykosider i naturen. Nervesystemet er det dominerende reguleringssystem i kroppen, og n\u00e5r det f\u00f8rst er beskadiget, er det irreversibelt. P\u00e5 grund af den aldrende verdensbefolkning \u00f8ges skaderne p\u00e5 menneskers sundhed af neurologiske sygdomme som Alzheimers sygdom, Parkinsons sygdom, slagtilf\u00e6lde, epilepsi og andre neurologiske sygdomme, og forekomsten stiger og bliver yngre. Virusangreb og andre sygdomme vil ogs\u00e5 f\u00f8re til neurologiske skader. Naturmedicin har minimale bivirkninger og betydelige effekter, og deres forskning og udvikling inden for neurologiske sygdomme har f\u00e5et stor opm\u00e6rksomhed fra forskere b\u00e5de nationalt og internationalt. Men der er i \u00f8jeblikket kun f\u00e5 omfattende rapporter om tetracykliske triterpenoider med neural aktivitet. Denne artikel giver en gennemgang af tetracykliske triterpenoider med neural aktivitet i de sidste fem \u00e5r, herunder strukturelle typer, plantekilder, neurofarmakologiske aktiviteter og struktur-aktivitetsforhold, hvilket giver videnskabeligt grundlag og reference til l\u00e6gemiddeludvikling af neurologiske sygdomme.<\/p>\n<p>Tetracykliske triterpenoider er vidt udbredte og har rigelige ressourcer i naturen. I de senere \u00e5r er litteraturen om de farmakologiske mekanismer for tetracykliske triterpenoider i neurologiske sygdomme steget \u00e5r for \u00e5r, is\u00e6r i AD, kognitiv sv\u00e6kkelse, cerebral isk\u00e6misk skade og depression, hvor de har betydelige farmakologiske virkninger. Tetracykliske triterpenoider kan behandle neurologiske sygdomme gennem forskellige mekanismer s\u00e5som reduktion af oxidniveauer, antagonisering af mitokondriel apoptose, antiinflammatoriske virkninger, antagonisering af NMDA-receptorer, regulering af neurotransmitterniveauer, fremme af BDNF-signalvejen og h\u00e6mning af aktiveringen af PLC\/IP3R-vejen. Blandt dem har de tetracykliske triterpenoider Damatane og lanosterol de mest markante effekter. Man kan se, at denne type forbindelser har et stort potentiale for fremtidig udvikling som l\u00e6gemidler til behandling af neurologiske sygdomme. Unders\u00f8gelsen af forholdet mellem struktur og aktivitet for tetracykliske triterpenoider fokuserer hovedsageligt p\u00e5 bindingsstederne i forbindelse med deres interaktion med NMDAR-antagonister, hvilket indikerer, at strukturel modifikation og optimering af deres glykosider og sidek\u00e6deglykosider kan f\u00f8re til nye neuroaktive monomere l\u00e6gemidler med h\u00f8j effektivitet og lav toksicitet. Tidligere forskning tyder p\u00e5, at udviklingen af tetracykliske triterpenoidforbindelser af dammarantypen som NMDAR-antagonister til behandling af neurologiske lidelser vil v\u00e6re en effektiv vej.<br \/>\nP\u00e5 nuv\u00e6rende tidspunkt indikerer forskning, at unders\u00f8gelsen af tetracykliske triterpenoider som grundlag for neuroaktive farmakologiske stoffer vil blive yderligere uddybet. P\u00e5 den ene side kan der etableres en hurtig og p\u00e5lidelig oprensnings- og berigelsesmetode, der gradvist anvender avancerede ekstraktionsteknikker s\u00e5som superkritisk v\u00e6skeekstraktion og ultralydsassisteret ekstraktion. Ultrah\u00f8jtydende v\u00e6skekromatografi kombineret med nye massespektrometri-detektorer s\u00e5som massespektrometer med h\u00f8j opl\u00f8sning (HRMS), quadrupol time-of-flight massespektrometer (QTOF), line\u00e6rt ionf\u00e6lde-massespektrometer (LTQ Orbitrap) og andre v\u00e6skekromatografi-massespektrometri-teknologier kan effektivt rense og adskille. P\u00e5 den anden side er det n\u00f8dvendigt at kombinere moderne analyseteknikker som high-throughput screening og computerst\u00f8ttet l\u00e6gemiddeldesign for at studere forholdet mellem struktur og aktivitet, s\u00f8ge efter ledende forbindelser af tetracykliske triterpenoider med neural aktivitet, modificere og optimere deres strukturer for at opn\u00e5 effektive og lavtoksiske nye forbindelser til udvikling og produktion af nye l\u00e6gemidler.<br \/>\nSammenfattende har tetracykliske triterpenoider vist potentiale i de farmakologiske mekanismer og forskellige aspekter af behandling af neurologiske sygdomme. Det haster med at udforske det farmakologiske stofgrundlag yderligere og udforske l\u00e6gemiddelvirkningsmekanismen dybt for at l\u00e6gge grundlaget for den kliniske behandling af neurologiske sygdomme.<\/p>","protected":false},"excerpt":{"rendered":"<p>Research progress of tetracyclic triterpenoids in neurological diseases Tetracyclic triterpenoids are an important class of secondary metabolites with various biological activities in the plant kingdom, mostly existing in the form of free or glycosides in nature. The nervous system is the dominant regulatory system in the body, and once damaged, it is irreversible. Due to [&hellip;]<\/p>\n","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 of tetracyclic triterpenoids in neurological diseases - 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\/da\/tetracykliske-triterpenoider-i-neurologiske-sygdomme\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Research progress of tetracyclic triterpenoids in neurological diseases - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Research progress of tetracyclic triterpenoids in neurological diseases Tetracyclic triterpenoids are an important class of secondary metabolites with various biological activities in the plant kingdom, mostly existing in the form of free or glycosides in nature. The nervous system is the dominant regulatory system in the body, and once damaged, it is irreversible. 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