{"id":8107,"date":"2024-08-11T19:12:37","date_gmt":"2024-08-11T19:12:37","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=8107"},"modified":"2024-08-11T19:12:37","modified_gmt":"2024-08-11T19:12:37","slug":"poria-cocos-2","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/da\/poria-cocos-2\/","title":{"rendered":"Udforskning af Poria cocos' mekanisme mod brystkr\u00e6ft baseret p\u00e5 UPLC-Q-TOF-MS\/MS og netv\u00e6rksfarmakologi"},"content":{"rendered":"<p>Udforskning af Poria cocos' mekanisme mod brystkr\u00e6ft baseret p\u00e5 UPLC-Q-TOF-MS\/MS og netv\u00e6rksfarmakologi<br \/>\nBrystkr\u00e6ft (BC) har overhalet lungekr\u00e6ft som hoved\u00e5rsag til den globale kr\u00e6ftforekomst og tegner sig for 11,7% af alle kr\u00e6fttilf\u00e6lde og er den femte st\u00f8rste \u00e5rsag til global kr\u00e6ftd\u00f8d. P\u00e5 nuv\u00e6rende tidspunkt har almindelige behandlingsmetoder som kemoterapi, kirurgi og str\u00e5ling st\u00e6rke bivirkninger, s\u00e5som giftige bivirkninger p\u00e5 lever og nyrer i menneskekroppen og forstyrrelse af tarmsystemets homeostase. Dette begr\u00e6nser i h\u00f8j grad effekten af brystkr\u00e6ftbehandling, s\u00e5 det er vigtigt at finde antitumorl\u00e6gemidler med lav toksicitet og h\u00f8j effektivitet. De fleste traditionelle kinesiske l\u00e6gemidler og deres formler har fordelene ved lav toksicitet og h\u00f8j effektivitet. Rimelig brug bidrager til at reducere de toksiske bivirkninger hos kr\u00e6ftpatienter og lindre deres smerter.<\/p>\n<p>Poria cocos (Schw. Moderne forskning tyder p\u00e5, at Poria cocos har en antitumoreffekt, og dens ekstrakt har en tydelig h\u00e6mmende effekt p\u00e5 spredningen af leverkr\u00e6ft, lungekr\u00e6ft, brystkr\u00e6ft og livmoderhalskr\u00e6ft hos mennesker. Dette viser, at Poria cocos har et stort potentiale for at udvikle sig til et antitumorl\u00e6gemiddel. Imidlertid er den molekyl\u00e6re mekanisme og handlingsm\u00e5let for Poria cocos mod brystkr\u00e6ft stadig ikke klart p\u00e5 dette stadium. Derfor diskuterer denne artikel, baseret p\u00e5 UPLC-Q-TOF-MS\/MS, forholdet mellem Poria cocos og brystkr\u00e6ft gennem netv\u00e6rksfarmakologimetoder og udf\u00f8rer forel\u00f8big verifikation med celleeksperimenter for at l\u00e6gge grundlaget for yderligere eksperimentel forskning.<\/p>\n<p>&nbsp;<\/p>\n<p>Netv\u00e6rksanalysen og screeningen af \"drug composition target disease\" viste, at pachymarac acid A, thumomic acid, 3-keto-linostero-7,9 (11), 24-triene-21-acid havde en h\u00f8j grad af forbindelse med relaterede m\u00e5l, som kan spille en potentiel aktiv rolle i behandlingen af brystkr\u00e6ft med pachymarac. Forskningen viser, at de komponenter, der repr\u00e6senteres af tetracykliske triterpener, har betydelig antitumoraktivitet. P\u00e5 nuv\u00e6rende tidspunkt er hovedkomponenterne i tetracykliske triterpener, s\u00e5som pachymacinsyre, de vigtigste forskningsobjekter i den offentliggjorte litteratur. De aktive komponenter i antibrystkr\u00e6ft, der blev screenet i denne unders\u00f8gelse, pachymacic acid A, fumarsyre, 3-ketol-lanoste-7,9 (11), 24-trien-21-syre, som har samme struktur som pachymacic acid, er alle tetracykliske triterpener af lanostan-typen og har en vis forskningsv\u00e6rdi.<\/p>\n<p>I denne unders\u00f8gelse blev der fundet 301 handlingsm\u00e5l for de aktive ingredienser i Poria cocos, og 30 f\u00e6lles handlingsm\u00e5l blev fundet ved at krydse dem med de forskellige gener for brystkr\u00e6ft. De kernebindende proteiner mod brystkr\u00e6ft (PPARG, PPARA) i de aktive ingredienser i Poria cocos blev screenet. Disse to m\u00e5l er t\u00e6t forbundet med tumorer. Berigelsesanalysen af KEGG-stien viste, at de signalveje, der hovedsageligt var involveret i m\u00e5let for brystkr\u00e6ft, var neuroaktiv ligandreceptorinteraktion, calciumsignalvej, PPAR-signalvej osv. Den mest bem\u00e6rkelsesv\u00e6rdige er PPAR-signalvejen, som er i overensstemmelse med vores forudsagte kernem\u00e5lresultater. PPAR er en nuklear hormonreceptor, der aktiveres af fedtsyrer og deres derivater, med tre undertyper. PPARG er en af undertyperne, og dens receptoragonist er blevet foresl\u00e5et som et forebyggende l\u00e6gemiddel mod brystkr\u00e6ft. PPARG-vejen er tydeligt forbundet med forskellige ondartede tr\u00e6k ved menneskelige tumorer, s\u00e5som spredning, invasion, fjernmetastase, og involverer flere mekanismer. Nogle unders\u00f8gelser har vist, at PPARG er et vigtigt potentielt m\u00e5l i mekanismen for hesperidin, der h\u00e6mmer brystkr\u00e6ftstamceller, og spiller en vigtig rolle i celleproliferation og metabolisme. Under tilstr\u00e6kkelige iltforhold vil tumorceller fortrinsvis producere ATP og en stor m\u00e6ngde laktat gennem glykolyse, hvilket giver energi til spredning og metastase af tumorceller. Unders\u00f8gelse af ATP-indhold og laktatproduktion kan afspejle effekten af Poria cocos p\u00e5 energimetabolismen i tumorceller. Derfor fokuserede dette eksperiment p\u00e5 PPARG for at udf\u00f8re relevant forskning. Cellefunktionseksperimentet brugte CCK8, scratch-test og kit-metode til at verificere effekten af Poria cocos p\u00e5 spredning, metastase og metabolisk kapacitet af brystkr\u00e6ftceller. Resultaterne viste, at sammenlignet med kontrolgruppen kunne Poria cocos-ekstrakt (160 \uff5e 640 \u03bc g\/mL) signifikant h\u00e6mme spredningen af brystkr\u00e6ftceller (P&lt;0,01); Ridsetestresultaterne viste, at cellemigration blev signifikant h\u00e6mmet (P&lt;0,01); Sammenlignet med kontrolgruppen resulterede forskellige koncentrationer af Poria cocos-ekstrakt i et fald i laktatindholdet i celler, mens ATP-niveauer ikke blev signifikant p\u00e5virket. Poria cocos-ekstrakt kan hovedsageligt p\u00e5virke andre metaboliske processer og dermed p\u00e5virke cellemetabolismen; Resultaterne af cellul\u00e6r immunofluorescens viste, at PPARG-protein hovedsageligt blev distribueret i kernen, og fluorescensintensiteten blev signifikant forbedret efter stimulering med Poria cocos-ekstrakt.<\/p>\n<p>For at opsummere afsl\u00f8rede denne unders\u00f8gelse m\u00e5lene og de potentielle mekanismer for de aktive ingredienser i Poria cocos baseret p\u00e5 netv\u00e6rksfarmakologianalyse, verificerede yderligere affinitetsforholdet mellem de aktive ingredienser og m\u00e5lproteiner ved hj\u00e6lp af molekyl\u00e6r docking-teknologi og verificerede eksperimentelt de relaterede effekter af kernem\u00e5l. Resultaterne viste, at Poria cocos kan spille en rolle mod brystkr\u00e6ft ved at opregulere ekspressionen af PPARG, h\u00e6mme spredning og migration af tumorceller og p\u00e5virke cellemetabolismen. Forskningsresultaterne og relevante rapporter i den eksisterende litteratur bekr\u00e6fter hinanden. Unders\u00f8gelsen guidede opdagelsen af moderne l\u00e6gemidler gennem data og gav ny indsigt i det materielle grundlag og mekanismen for effektiviteten af Poria cocos i forebyggelse og behandling af brystkr\u00e6ft.<\/p>","protected":false},"excerpt":{"rendered":"<p>Exploring the mechanism of Poria cocos against breast cancer based on UPLC-Q-TOF-MS\/MS and network pharmacology Breast cancer (BC) has surpassed lung cancer as the main cause of global cancer incidence rate, accounting for 11.7% of all cancer cases, and is the fifth leading cause of global cancer death. At present, common treatment methods such as [&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>Exploring the mechanism of Poria cocos against breast cancer based on UPLC-Q-TOF-MS\/MS and network pharmacology - 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\/poria-cocos-2\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Exploring the mechanism of Poria cocos against breast cancer based on UPLC-Q-TOF-MS\/MS and network pharmacology - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Exploring the mechanism of Poria cocos against breast cancer based on UPLC-Q-TOF-MS\/MS and network pharmacology Breast cancer (BC) has surpassed lung cancer as the main cause of global cancer incidence rate, accounting for 11.7% of all cancer cases, and is the fifth leading cause of global cancer death. 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