{"id":5350,"date":"2024-08-04T18:28:09","date_gmt":"2024-08-04T18:28:09","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=5350"},"modified":"2024-08-04T18:28:09","modified_gmt":"2024-08-04T18:28:09","slug":"atractylenolide","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/hu\/atractylenolid\/","title":{"rendered":"Az Atractylodes macrocephala II megford\u00edtja az M2 makrof\u00e1gok polariz\u00e1ci\u00f3j\u00e1t, szab\u00e1lyozza a PDL1 expresszi\u00f3t \u00e9s g\u00e1tolja az A549 sejtek migr\u00e1ci\u00f3j\u00e1t."},"content":{"rendered":"<p>Az Atractylodes macrocephala II megford\u00edtja az M2 makrof\u00e1gok polariz\u00e1ci\u00f3j\u00e1t, szab\u00e1lyozza a PDL1 expresszi\u00f3t \u00e9s g\u00e1tolja az A549 sejtek migr\u00e1ci\u00f3j\u00e1t.<br \/>\nA t\u00fcd\u0151r\u00e1k gyakori rosszindulat\u00fa daganat, amely vesz\u00e9lyezteti az emberi eg\u00e9szs\u00e9get, \u00e9s a k\u00f6zeg\u00e9szs\u00e9g\u00fcgy egyik legnagyobb kih\u00edv\u00e1sa. A GLOBOCAN 2020-as adatai \u00e9s az Eg\u00e9szs\u00e9g\u00fcgyi Vil\u00e1gszervezet \"World Population Prospects\" c\u00edm\u0171 elemz\u00e9se szerint 2022-ben a t\u00fcd\u0151r\u00e1k marad a legmagasabb el\u0151fordul\u00e1si \u00e9s hal\u00e1loz\u00e1si ar\u00e1ny\u00fa daganat K\u00edn\u00e1ban. A tumor mikrok\u00f6rnyezet\u00e9ben az immunhat\u00e1st kifejt\u0151 makrof\u00e1gok t\u00f6bbnyire M2 t\u00edpus\u00faak. T\u00f6bb k\u00eds\u00e9rleti eredm\u00e9ny azt mutatta, hogy az M2 t\u00edpus\u00fa makrof\u00e1gok el\u0151seg\u00edtik a tumorsejtek prolifer\u00e1ci\u00f3j\u00e1t \u00e9s migr\u00e1ci\u00f3j\u00e1t, \u00e9s pozit\u00edvan korrel\u00e1lnak a tumor gy\u00f3gyszerrezisztenci\u00e1j\u00e1val. Az M1 makrof\u00e1gok a t\u00fcd\u0151r\u00e1k korai st\u00e1dium\u00e1ban magasan expressz\u00e1l\u00f3dnak, m\u00edg a k\u00f6z\u00e9ps\u0151 \u00e9s k\u00e9s\u0151i st\u00e1diumban a makrof\u00e1gok ink\u00e1bb M2 makrof\u00e1gokat fejeznek ki. A makrof\u00e1gok er\u0151s plaszticit\u00e1ssal rendelkeznek, \u00e9s az M1 makrof\u00e1gok ar\u00e1nya pozit\u00edvan korrel\u00e1l a megn\u00f6vekedett t\u00fal\u00e9l\u00e9si r\u00e1t\u00e1val. Ez vonz\u00f3v\u00e1 teszi az M2-polariz\u00e1ci\u00f3 blokkol\u00e1s\u00e1nak vagy az M2 M1-re val\u00f3 \u00e1tpolariz\u00e1ci\u00f3 el\u0151seg\u00edt\u00e9s\u00e9nek strat\u00e9gi\u00e1j\u00e1t, ami fontos kutat\u00e1si ir\u00e1nyt jelent a tumorimmunter\u00e1pia sz\u00e1m\u00e1ra. A talajm\u0171vel\u00e9s \u00e9s az arany el\u0151\u00e1ll\u00edt\u00e1s\u00e1nak m\u00f3dszere j\u00f3 eredm\u00e9nyeket \u00e9rt el a t\u00fcd\u0151r\u00e1k kezel\u00e9s\u00e9ben. Kutat\u00f3csoportunk kor\u00e1bban meg\u00e1llap\u00edtotta, hogy a hagyom\u00e1nyos k\u00ednai gy\u00f3gy\u00e1szati formul\u00e1k, mint a Sijunzi Tang \u00e9s a Shenling Baizhu San hat\u00e9konyan g\u00e1tolj\u00e1k a t\u00fcd\u0151r\u00e1k prolifer\u00e1ci\u00f3j\u00e1t. Az Atractylenolide II (AT-II) egy szeszkviterp\u00e9n-monomer, amelyet az Atractylodes macrocephal\u00e1b\u00f3l vonnak ki a hagyom\u00e1nyos k\u00ednai gy\u00f3gy\u00e1szatban a talaj t\u00e1pl\u00e1l\u00e1s\u00e1ra \u00e9s az arany el\u0151seg\u00edt\u00e9s\u00e9re haszn\u00e1lt formul\u00e1kban. K\u00fcl\u00f6nb\u00f6z\u0151 daganatokban tumorellenes aktivit\u00e1ssal rendelkezik. Az AT-II az apopt\u00f3zis induk\u00e1l\u00e1s\u00e1val g\u00e1tolhatja a tumor progresszi\u00f3j\u00e1t, de nem vil\u00e1gos, hogy az immunit\u00e1s szab\u00e1lyoz\u00e1s\u00e1val befoly\u00e1solhatja-e a tumorsejtek \u00e9s a makrof\u00e1gok k\u00f6z\u00f6tti k\u00f6lcs\u00f6nhat\u00e1st. Ez\u00e9rt ez a cikk az AT-II immunszab\u00e1lyoz\u00e1s\u00e1t vizsg\u00e1lja a t\u00fcd\u0151r\u00e1ksejteken a ko-kult\u00far\u00e1s rendszerekben.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5351\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/1-138.png\" alt=\"\" width=\"352\" height=\"273\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5352\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/2-125.png\" alt=\"\" width=\"370\" height=\"474\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5353\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/3-7.jpg\" alt=\"\" width=\"557\" height=\"258\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5354\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/4-7.jpg\" alt=\"\" width=\"631\" height=\"253\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5355\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/5-6.jpg\" alt=\"\" width=\"646\" height=\"161\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5356\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/6-7.jpg\" alt=\"\" width=\"506\" height=\"450\" \/><\/p>\n<p>A t\u00fcd\u0151r\u00e1k a r\u00e1k okozta hal\u00e1loz\u00e1sok vezet\u0151 oka. A betegs\u00e9g korai szakasz\u00e1ban az \u00e1llapot alattomos, \u00e9s k\u00f6nnyen elszalaszthat\u00f3 a legjobb kezel\u00e9si lehet\u0151s\u00e9g. Ahol a gonosz \u00f6sszegy\u0171jti a qi-t, ott elker\u00fclhetetlen\u00fcl hi\u00e1nyos lesz. A hagyom\u00e1nyos k\u00ednai orvosl\u00e1s szerint a r\u00e1k a c\u00e9lpont, a hi\u00e1ny pedig a kiv\u00e1lt\u00f3 ok, a hi\u00e1ny pedig a k\u0151zetek kialakul\u00e1sa. A talajm\u0171vel\u00e9s \u00e9s az arany el\u0151\u00e1ll\u00edt\u00e1s\u00e1nak m\u00f3dszere \"az \u00f6t elem k\u00f6lcs\u00f6n\u00f6s n\u00f6veked\u00e9s\u00e9nek elm\u00e9let\u00e9nek gyakorlati alkalmaz\u00e1sa, \u00e9s az\" anya kieg\u00e9sz\u00edt\u00e9se a hi\u00e1nyoss\u00e1ggal \" konkretiz\u00e1l\u00e1sa\". B\u00e1r a t\u00fcd\u0151r\u00e1k a t\u00fcd\u0151ben tal\u00e1lhat\u00f3, a kutat\u00f3csoport kor\u00e1bban kimutatta, hogy a \"talajm\u0171vel\u0151 \u00e9s aranyat gener\u00e1l\u00f3 m\u00f3dszer\" a l\u00e9p szab\u00e1lyoz\u00e1s\u00e1val g\u00e1tolni tudja a t\u00fcd\u0151r\u00e1k progresszi\u00f3j\u00e1t. Ugyanakkor sz\u00e1mos k\u00eds\u00e9rleti eredm\u00e9ny is kimutatta, hogy a Shen Ling Bai Zhu San, a Si Jun Zi Tang \u00e9s a Jian Pi Yi Fei Fang szab\u00e1lyozhatja \u00e9s t\u00e1pl\u00e1lhatja a l\u00e9pet \u00e9s a gyomrot, ez\u00e1ltal g\u00e1tolva a t\u00fcd\u0151r\u00e1k n\u00f6veked\u00e9s\u00e9t. Az Atractylodes macrocephala a fent eml\u00edtett vegy\u00fcletben gyakori gy\u00f3gyszer, amely a l\u00e9pet toniz\u00e1l\u00f3 \u00e9s a qi-t t\u00e1pl\u00e1l\u00f3 gy\u00f3gyszert k\u00e9pviseli. F\u0151 hat\u00f3anyagai az Atractylodes macrocephala lakton \u00e9s az Atractylodes macrocephala keton. Az Atractylodes macrocephala tartalma jelent\u0151sen cs\u00f6kken a meleg\u00edt\u00e9s \u00e9s a feldolgoz\u00e1s ut\u00e1n, \u00edgy az Atractylodes macrocephala lakton az Atractylodes macrocephala f\u0151zet f\u0151 hat\u00f3anyaga. Kor\u00e1bbi farmakol\u00f3giai vizsg\u00e1latok meg\u00e1llap\u00edtott\u00e1k, hogy az Atractylodes macrocephala daganatellenes hat\u00e1ssal rendelkezik, \u00e9s nincs jelent\u0151s toxicit\u00e1sa a szervezetre. Az AT-II az Atractylodes macrocephal\u00e1b\u00f3l kivont szeszkviterp\u00e9n-monomer, amely bizony\u00edtottan g\u00e1tl\u00f3 hat\u00e1ssal van k\u00fcl\u00f6nb\u00f6z\u0151 daganatokra.<br \/>\nA K\u00ednai Hagyom\u00e1nyos K\u00ednai Orvostudom\u00e1nyi Sz\u00f6vets\u00e9g r\u00e1mutat, hogy a hagyom\u00e1nyos k\u00ednai orvosl\u00e1s \u00e9s az immunol\u00f3gia kombin\u00e1ci\u00f3ja hasznos a hagyom\u00e1nyos k\u00ednai orvosl\u00e1snak a szervezet immunit\u00e1s\u00e1t szab\u00e1lyoz\u00f3 mechanizmus\u00e1nak felt\u00e1r\u00e1s\u00e1ban, \u00e9s megalapozza a hagyom\u00e1nyos k\u00ednai orvosl\u00e1s klinikai hat\u00e9konys\u00e1g\u00e1t. 2018-ban a Nobel-d\u00edjas James Allison \u00e9s Shuyou \u00faj koncepci\u00f3t javasolt a r\u00e1k elleni t\u00e1mad\u00e1sra a saj\u00e1t immunrendszer mozg\u00f3s\u00edt\u00e1s\u00e1val, ami meger\u0151s\u00edtette a \"test er\u0151s\u00edt\u00e9se \u00e9s a r\u00e1k kezel\u00e9se\" elm\u00e9let\u00e9t. A tumoros mikrok\u00f6rnyezetben a makrof\u00e1gok toborz\u00f3dnak \u00e9s aktiv\u00e1l\u00f3dnak tumorasszoci\u00e1lt makrof\u00e1gokk\u00e1 (TAM), amelyek t\u00f6bbnyire pro tumorig\u00e9n M2 t\u00edpusk\u00e9nt expressz\u00e1l\u00f3dnak, \u00e9s magasan expressz\u00e1lj\u00e1k az Arg-1-et, \u00e9s olyan gyullad\u00e1scs\u00f6kkent\u0151 faktorokat termelnek, mint a CCL17, CCL18 \u00e9s CCL22. Ez a tanulm\u00e1ny a tumoros mikrok\u00f6rnyezetet szimul\u00e1l\u00f3 ko-kult\u00far\u00e1s k\u00eds\u00e9rletek r\u00e9v\u00e9n meg\u00e1llap\u00edtotta, hogy az AT-II cs\u00f6kkentette a makrof\u00e1g Arg-1 expresszi\u00f3j\u00e1t \u00e9s a t\u00fcd\u0151r\u00e1ksejtek \u00e9letk\u00e9pess\u00e9g\u00e9t, ami azt jelzi, hogy az AT-II az M2 polariz\u00e1ci\u00f3 cs\u00f6kkent\u00e9s\u00e9vel g\u00e1tolhatja a t\u00fcd\u0151r\u00e1ksejtek prolifer\u00e1ci\u00f3s k\u00e9pess\u00e9g\u00e9t. Az M2 makrof\u00e1gok el\u0151seg\u00edtik a tumor progresszi\u00f3j\u00e1t, m\u00edg az M1 makrof\u00e1gok nagyfok\u00fa besziv\u00e1rg\u00e1sa bizony\u00edtottan g\u00e1tolja a tumor metaszt\u00e1zis\u00e1t, \u00e9s pozit\u00edvan korrel\u00e1l a megn\u00f6vekedett t\u00fal\u00e9l\u00e9si r\u00e1t\u00e1val. A makrof\u00e1gok er\u0151s plaszticit\u00e1sa miatt az \u00e1tprogramoz\u00e1s vagy repolariz\u00e1ci\u00f3 hat\u00e9kony \u00fatvonall\u00e1 teszi a makrof\u00e1gok m\u0171k\u00f6d\u00e9s\u00e9nek szab\u00e1lyoz\u00e1s\u00e1t. A makrof\u00e1g-polariz\u00e1ci\u00f3 a klinikai gyakorlatban k\u00fcl\u00f6nb\u00f6z\u0151 betegs\u00e9gek, k\u00fcl\u00f6n\u00f6sen a rosszindulat\u00fa daganatok megjelen\u00e9s\u00e9vel \u00e9s kialakul\u00e1s\u00e1val hozhat\u00f3 \u00f6sszef\u00fcgg\u00e9sbe. A kutat\u00e1sok kimutatt\u00e1k, hogy a TAM-ok a helyi k\u00f6rnyezet alapj\u00e1n egy vagy t\u00f6bb fenot\u00edpus \u00e1tmeneti kifejez\u0151d\u00e9s\u00e9t mutatj\u00e1k. Ebben a vizsg\u00e1latban ELISA-t alkalmaztunk az M1 makrof\u00e1gokkal kapcsolatos TNF - \u03b1 \u00e9s IL-1 \u03b2 faktorok szintj\u00e9nek m\u00e9r\u00e9s\u00e9re a fel\u00fcl\u00fasz\u00f3ban, hogy k\u00f6vetkeztetni tudjunk arra, hogy az AT-II az M2 makrof\u00e1gokat M1 makrof\u00e1gokk\u00e1 alak\u00edtja-e \u00e1t a tumorsejtek prolifer\u00e1ci\u00f3j\u00e1nak g\u00e1tl\u00f3 hat\u00e1s\u00e1nak el\u00e9r\u00e9se \u00e9rdek\u00e9ben. Az eredm\u00e9nyek azt mutatt\u00e1k, hogy az M1-hez kapcsol\u00f3d\u00f3 TNF - \u03b1 \u00e9s IL-1 \u03b2 faktorok szintje emelkedett, de nem mutatott szignifik\u00e1ns k\u00fcl\u00f6nbs\u00e9get, ami \u00f6sszef\u00fcgghet azzal a t\u00e9nnyel, hogy m\u00e9g mindig az M2-b\u0151l M1-be val\u00f3 \u00e1tmenet id\u0151szak\u00e1ban vannak, \u00e9s nem fordultak \u00e1t teljesen M1 makrof\u00e1gokk\u00e1; A makrof\u00e1gok polariz\u00e1ci\u00f3j\u00e1t nem maga a hely\u00fck befoly\u00e1solja, hanem annak a specifikus mikrok\u00f6rnyezetnek a jel\u00e1tviteli hat\u00e1sai, amelyben elhelyezkednek. A polariz\u00e1ci\u00f3t befoly\u00e1sol\u00f3 t\u00e9nyez\u0151k k\u00f6z\u00e9 tartoznak a tumorsejtekb\u0151l sz\u00e1rmaz\u00f3 faktorok, a tumor mikrok\u00f6rnyezete, a makrof\u00e1gok autokrin faktorai \u00e9s az \u00e1lland\u00f3sult egyens\u00falytalans\u00e1gi faktorok. Klinikai vizsg\u00e1latok kimutatt\u00e1k, hogy a gyullad\u00e1s a r\u00e1k f\u00fcggetlen kock\u00e1zati t\u00e9nyez\u0151je, \u00e9s az olyan gyullad\u00e1sos markerek, mint az SII, az NLR \u00e9s a PLR felhaszn\u00e1lhat\u00f3k a r\u00e1kos betegek progn\u00f3zis\u00e1nak \u00e9rt\u00e9kel\u00e9s\u00e9re. A gyullad\u00e1s a tumorprogresszi\u00f3 egyik hajt\u00f3ereje, \u00e9s az NF - \u03ba B jel\u00e1tviteli \u00fatvonal jelenleg a tumorprogresszi\u00f3ban r\u00e9szt vev\u0151 legelismertebb gyullad\u00e1sos \u00fatvonal. Ugyanakkor vizsg\u00e1latok kimutatt\u00e1k, hogy az aktiv\u00e1lt NF - \u03ba B jel\u00e1tviteli \u00fatvonal el\u0151seg\u00edti a gyullad\u00e1sos medi\u00e1torok szint\u00e9zis\u00e9t \u00e9s felszabadul\u00e1s\u00e1t az M1 makrof\u00e1gokban. E vizsg\u00e1lat WB eredm\u00e9nyei azt mutatt\u00e1k, hogy az AT-II g\u00e1tolja a TLR4\/NF - \u03ba B \u00fatvonalat A549 sejtekben, ami nem vezethet a TNF - \u03b1 \u00e9s IL-1 \u03b2 szintek jelent\u0151s emelked\u00e9s\u00e9hez. Ugyanakkor meger\u0151s\u00edt\u00e9st nyert, hogy a TLR4\/NF - \u03ba B \u00fatvonal szoros kapcsolatban \u00e1ll az immunszuppressz\u00edv PDL1 molekul\u00e1val. Larsen kutat\u00f3csoportj\u00e1nak d\u00fas\u00edt\u00e1si eredm\u00e9nyei azt mutatt\u00e1k, hogy a PD-L1 az NF - \u03ba B-n kereszt\u00fcl d\u00fasul m\u00e1s marker g\u00e9nk\u00e9szletekkel. Ha az IL-1 \u03b1 az IFN - \u03b3-vel kombin\u00e1l\u00f3dik, akkor szinergista hat\u00e1st fejt ki. Chen \u00e9s munkat\u00e1rsai siRNS-t haszn\u00e1ltak a p65 ki\u00fct\u00e9s\u00e9re, \u00e9s a PD-L1 szintj\u00e9nek a citokin kombin\u00e1ci\u00f3 \u00e1ltal vez\u00e9relt cs\u00f6kken\u00e9s\u00e9t tal\u00e1lt\u00e1k. K\u00eds\u00e9rletek kimutatt\u00e1k, hogy a PDL1 magas expresszi\u00f3ja a tumor mikrok\u00f6rnyezet\u00e9ben pozit\u00edvan korrel\u00e1l a tumorsejtek migr\u00e1ci\u00f3s k\u00e9pess\u00e9g\u00e9vel. Ez \u00f6sszhangban van e vizsg\u00e1lat eredm\u00e9nyeivel, amelyek a PDL1 feh\u00e9rje expresszi\u00f3j\u00e1nak cs\u00f6kken\u00e9s\u00e9t \u00e9s lassabb gy\u00f3gyul\u00e1si sebess\u00e9get mutattak ki scratch-k\u00eds\u00e9rletekben. Konkr\u00e9tan az AT-II a TLR4\/NF - \u03ba B \u00fatvonal g\u00e1tl\u00e1s\u00e1val cs\u00f6kkentette a PDL1 expresszi\u00f3j\u00e1t, ez\u00e1ltal cs\u00f6kkentve az A549 sejtek migr\u00e1ci\u00f3s k\u00e9pess\u00e9g\u00e9t.<br \/>\nA tumoros mikrok\u00f6rnyezetben a TAM-ok megszel\u00edd\u00fclnek, \u00e9s t\u00f6bbnyire pro-tumoros t\u00edpusokk\u00e9nt fejez\u0151dnek ki. A c\u00e9lzott TAM-ok ter\u00e1pi\u00e1ja a r\u00e1k kezel\u00e9s\u00e9nek \u00fajonnan megjelen\u0151 megk\u00f6zel\u00edt\u00e9s\u00e9v\u00e9 v\u00e1lt. Ez a cikk k\u00eds\u00e9rleteken kereszt\u00fcl mutatja be, hogy az AT-II k\u00e9pes visszaford\u00edtani a makrof\u00e1g pro tumorig\u00e9n \u00e1talakul\u00e1st, cs\u00f6kkenteni a PDL1 expresszi\u00f3t \u00e9s g\u00e1tolni a t\u00fcd\u0151r\u00e1ksejtek migr\u00e1ci\u00f3j\u00e1t, ami \u00faj megk\u00f6zel\u00edt\u00e9st biztos\u00edt a t\u00fcd\u0151r\u00e1k klinikai kezel\u00e9s\u00e9hez.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Atractylodes macrocephala II reverses polarization of M2 macrophages, regulates PDL1 expression, and inhibits A549 cell migration Lung cancer is a common malignant tumor that threatens human health and is a major challenge facing public health. According to GLOBOCAN&#8217;s 2020 data and the World Health Organization&#8217;s &#8220;World Population Prospects&#8221; analysis, lung cancer remains the tumor with [&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>Atractylodes macrocephala II reverses polarization of M2 macrophages, regulates PDL1 expression, and inhibits A549 cell migration - 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\/hu\/atractylenolid\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Atractylodes macrocephala II reverses polarization of M2 macrophages, regulates PDL1 expression, and inhibits A549 cell migration - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Atractylodes macrocephala II reverses polarization of M2 macrophages, regulates PDL1 expression, and inhibits A549 cell migration Lung cancer is a common malignant tumor that threatens human health and is a major challenge facing public health. 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