{"id":8209,"date":"2024-08-11T20:18:22","date_gmt":"2024-08-11T20:18:22","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=8209"},"modified":"2024-08-11T20:18:22","modified_gmt":"2024-08-11T20:18:22","slug":"hairy-cliff-bean-vine","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/hu\/szoros-sziklabab-szolo\/","title":{"rendered":"A sz\u0151r\u00f6s sziklabab sz\u0151l\u0151b\u0151l sz\u00e1rmaz\u00f3 kalcon-kivonat in vitro \u00e9s in vivo metabolizmusa \u00e9s farmakokinetik\u00e1ja"},"content":{"rendered":"<p>A sz\u0151r\u00f6s sziklabab sz\u0151l\u0151b\u0151l sz\u00e1rmaz\u00f3 kalcon-kivonat in vitro \u00e9s in vivo metabolizmusa \u00e9s farmakokinetik\u00e1ja<br \/>\nA term\u00e9szetes vegy\u00fcletek jelent\u0151sen hozz\u00e1j\u00e1rultak az \u00faj gy\u00f3gyszerek felfedez\u00e9s\u00e9hez, \u00e9s a flavonoidok a term\u00e9szetes term\u00e9kek egyik f\u0151 kateg\u00f3ri\u00e1j\u00e1t k\u00e9pezik, amelyek nagy figyelmet kaptak kiv\u00e1l\u00f3 gyullad\u00e1scs\u00f6kkent\u0151, daganatellenes, antibakteri\u00e1lis, fek\u00e9lyellenes, m\u00e1jv\u00e9d\u0151 \u00e9s sz\u00edv- \u00e9s \u00e9rrendszeri v\u00e9d\u0151hat\u00e1suk miatt. A h\u00fcvelyesek csal\u00e1dj\u00e1ba tartoz\u00f3 Millettia velutina Dunn sz\u00e1r\u00e1b\u00f3l kivont \u00e9s izol\u00e1lt 2,5-dimetoxifur\u00e1n [4 \", 5\": 3,4] kalkon gyullad\u00e1scs\u00f6kkent\u0151 hat\u00f3anyag a kalkonvegy\u00fcletek k\u00f6z\u00e9 tartozik. Ma \u00e9s munkat\u00e1rsai kutat\u00e1si eredm\u00e9nyei azt mutatt\u00e1k, hogy a vegy\u00fclet er\u0151s gyullad\u00e1scs\u00f6kkent\u0151 hat\u00e1ssal rendelkezik. In vitro sejtk\u00eds\u00e9rletekben els\u0151sorban az IL-1 \u03b2 szekr\u00e9ci\u00f3 \u00e9s a kaszp\u00e1z-1 aktiv\u00e1ci\u00f3 g\u00e1tl\u00e1s\u00e1val, valamint az ASC aggreg\u00e1ci\u00f3 g\u00e1tl\u00e1s\u00e1val mutat j\u00f3 gyullad\u00e1scs\u00f6kkent\u0151 hat\u00e1st. In vivo k\u00eds\u00e9rletekben pedig jelent\u0151sen enyh\u00edti az LPS \u00e1ltal kiv\u00e1ltott akut sokkot egerekben. Az \u00faj gy\u00f3gyszerfejleszt\u00e9s korai szakasz\u00e1ban a gy\u00f3gyszeranyagcsere-kutat\u00e1s elv\u00e9gz\u00e9se seg\u00edthet a biztons\u00e1gos, hat\u00e9kony \u00e9s j\u00f3 farmakokinetikai tulajdons\u00e1gokkal rendelkez\u0151 vegy\u00fcletek gyors azonos\u00edt\u00e1s\u00e1ban, a nem megfelel\u0151 vegy\u00fcletek el\u0151zetes kiz\u00e1r\u00e1s\u00e1ban, valamint a kutat\u00e1si \u00e9s fejleszt\u00e9si k\u00f6lts\u00e9gek megtakar\u00edt\u00e1s\u00e1ban. Jelenleg a hazai \u00e9s k\u00fclf\u00f6ldi szakfoly\u00f3iratokban nem jelentek meg jelent\u00e9sek a vegy\u00fclet in vivo \u00e9s in vitro metabolikus adatair\u00f3l. Ez a tanulm\u00e1ny a 2,5-dimetoxifur\u00e1n [4 \", 5\": 3,4] kalcon metabolitjait vizsg\u00e1lta \u00f6t faj, k\u00f6zt\u00fck patk\u00e1nyok, egerek, rhesusmajmok, Beagle kuty\u00e1k \u00e9s emberek m\u00e1jmikrosz\u00f3m\u00e1iban, valamint patk\u00e1nyokban. A 2,5-dimetoxifur\u00e1n [4 \", 5\": 3,4] kalkon \u00e9s metabolitja (M1) in vitro \u00e9s in vivo farmakokinetikai vizsg\u00e1latokat is v\u00e9geztek a vegy\u00fclet f\u0151anyag-alapj\u00e1nak felt\u00e1r\u00e1sa \u00e9rdek\u00e9ben, megalapozva a tov\u00e1bbi mechanizmus-kutat\u00e1sokat.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>A sz\u0151r\u00f6s sziklabab sz\u0151l\u0151 az egyik hagyom\u00e1nyos k\u00ednai gy\u00f3gyszer, amely j\u00f3 gyullad\u00e1scs\u00f6kkent\u0151 hat\u00e1ssal rendelkezik. Az 1. mint\u00e1t, mint f\u0151 gyullad\u00e1scs\u00f6kkent\u0151 komponens\u00e9t, mind hazai, mind nemzetk\u00f6zi szinten korl\u00e1tozottan kutatt\u00e1k, \u00e9s nem k\u00e9sz\u00fcltek jelent\u00e9sek az in vitro \u00e9s in vivo anyagcser\u00e9j\u00e9r\u0151l. Az ebben a k\u00eds\u00e9rletben haszn\u00e1lt UPLC-QE Orbitrap MS m\u00f3dszer nagy \u00e9rz\u00e9kenys\u00e9ggel \u00e9s specificit\u00e1ssal rendelkezik, \u00e9s jelent\u0151s el\u0151ny\u00f6kkel j\u00e1r a metabolitok felfedez\u00e9s\u00e9ben \u00e9s azonos\u00edt\u00e1s\u00e1ban. Ugyanakkor az 1. minta metabolitjait \u00f6t faj, k\u00f6zt\u00fck egerek, patk\u00e1nyok, majmok, kuty\u00e1k \u00e9s emberek m\u00e1jmikrosz\u00f3m\u00e1iban M1 \u00e9s M2 n\u00e9ven azonos\u00edtott\u00e1k, \u00e9s az M1 \u00e9s M2 metabolitokat in vivo M2\u3001M3\u3001M4\u3001M5\uff0c Ezt k\u00f6vet\u0151en az egyes metabolitok szerkezet\u00e9re a t\u00f6megspektrometri\u00e1s fragmentumok alapj\u00e1n k\u00f6vetkeztettek, \u00e9s az M1-et szintetikus m\u00f3dszerekkel szintetiz\u00e1lt\u00e1k, bizony\u00edtva a levezetett vegy\u00fcletszerkezet pontoss\u00e1g\u00e1t \u00e9s megb\u00edzhat\u00f3s\u00e1g\u00e1t. Az UFLC-MS\/MS m\u00f3dszert az in vivo mint\u00e1k mennyis\u00e9gi elemz\u00e9s\u00e9hez haszn\u00e1lt\u00e1k. A m\u00f3dszertani valid\u00e1l\u00e1s azt mutatta, hogy a m\u00f3dszer stabil \u00e9s megb\u00edzhat\u00f3, \u00e9s gyorsan k\u00e9pes a mint\u00e1ban l\u00e9v\u0151 c\u00e9lvegy\u00fcletek nyomainak kimutat\u00e1s\u00e1ra. A folyad\u00e9kkromatogr\u00e1fi\u00e1s \u00e9s UV-elemz\u00e9si m\u00f3dszerekkel \u00f6sszehasonl\u00edtva nagyobb \u00e9rz\u00e9kenys\u00e9gi el\u0151ny\u00f6kkel rendelkezik.<br \/>\nA vegy\u00fcletek farmakokinetikai param\u00e9terei a vegy\u00fcletek \u00e9rt\u00e9kel\u00e9s\u00e9nek fontos mutat\u00f3i. In vitro \u00e9s in vivo vizsg\u00e1latok r\u00e9v\u00e9n a f\u0151 metabolit az M1. Ezut\u00e1n az 1. minta \u00e9s az M1 metabolikus sebess\u00e9g\u00e9t patk\u00e1nyokon tanulm\u00e1nyoztuk, \u00e9s kisz\u00e1m\u00edtottuk farmakokinetikai param\u00e9tereiket. Meg\u00e1llap\u00edtott\u00e1k, hogy az 1. minta in vivo M1-v\u00e9 alakult \u00e1t, \u00e9s tov\u00e1bb metaboliz\u00e1l\u00f3dott M5-v\u00e9. Ez a tanulm\u00e1ny az 1. minta in vivo \u00e9s in vitro metabolitjait vizsg\u00e1lta, \u00f6t metabolitra k\u00f6vetkeztetve. Az 1. minta \u00e9s a f\u0151 metabolit M1 farmakokinetikai param\u00e9tereit patk\u00e1nyokon m\u00e9rt\u00fck, \u00e9s megvizsg\u00e1ltuk az 1. minta \u00e9s az M1 plazm\u00e1j\u00e1ban bek\u00f6vetkez\u0151 v\u00e1ltoz\u00e1sokat. Az eredm\u00e9nyek azt mutatt\u00e1k, hogy az 1-es vegy\u00fclet in vivo instabil volt, \u00e9s gyorsan metaboliz\u00e1l\u00f3dott M1-\u00e9, ami arra utal, hogy nem maga, hanem a metabolitjai j\u00e1tszottak gyullad\u00e1scs\u00f6kkent\u0151 szerepet. Ez a vizsg\u00e1lat elm\u00e9leti alapot ny\u00fajt a gyullad\u00e1scs\u00f6kkent\u0151 anyagok in vivo mechanizmus\u00e1nak tiszt\u00e1z\u00e1s\u00e1hoz.<\/p>","protected":false},"excerpt":{"rendered":"<p>In vitro and in vivo metabolism and pharmacokinetics of a chalcone extract from the hairy cliff bean vine Natural compounds have made significant contributions to the discovery of new drugs, and flavonoids are a major category of natural products that have attracted much attention due to their excellent anti-inflammatory, anti-tumor, antibacterial, anti ulcer, hepatoprotective, and [&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>In vitro and in vivo metabolism and pharmacokinetics of a chalcone extract from the hairy cliff bean vine - 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