{"id":7563,"date":"2024-08-06T20:32:26","date_gmt":"2024-08-06T20:32:26","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=7563"},"modified":"2024-08-06T20:32:26","modified_gmt":"2024-08-06T20:32:26","slug":"immobilized-betulinic-acid-affinity-integral-column","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/hu\/immobilized-betulinic-acid-affinity-integral-column\/","title":{"rendered":"Immobiliz\u00e1lt betulinsav-affinit\u00e1s\u00fa integr\u00e1lt oszlop el\u0151\u00e1ll\u00edt\u00e1si m\u00f3dszere \u00e9s alkalmaz\u00e1sa"},"content":{"rendered":"

Immobiliz\u00e1lt betulinsav-affinit\u00e1s\u00fa integr\u00e1lt oszlop el\u0151\u00e1ll\u00edt\u00e1si m\u00f3dszere \u00e9s alkalmaz\u00e1sa
\nA 23-hidroxi-betulinsav (23-HBA) egy csillagf\u00fcrt t\u00edpus\u00fa pentaciklusos triterpenoid vegy\u00fclet, amelyet a Ranunculaceae csal\u00e1dba tartoz\u00f3 Pulsatilla chinensis hagyom\u00e1nyos k\u00ednai gy\u00f3gyn\u00f6v\u00e9nyb\u0151l izol\u00e1ltak. Elterjedt k\u00fcl\u00f6nb\u00f6z\u0151 n\u00f6v\u00e9nyekben is, mint p\u00e9ld\u00e1ul a Betula pubescens, Ziziphus mauritiana, Prunella vulgaris, Apocynaceae, \u00e9s k\u00fcl\u00f6n\u00f6sen nagy mennyis\u00e9gben fordul el\u0151 a Betula csal\u00e1dban. A modern farmakol\u00f3giai kutat\u00e1sok kimutatt\u00e1k, hogy egy sor olyan hat\u00e1ssal rendelkezik, mint a v\u00edrusellenes, a tumorsejtek prolifer\u00e1ci\u00f3j\u00e1nak g\u00e1tl\u00e1sa, az angiogenezis g\u00e1tl\u00e1sa \u00e9s a kombin\u00e1lt \u00e9rz\u00e9keny\u00edt\u00e9s. P\u00e9ld\u00e1ul az ilyen t\u00edpus\u00fa vegy\u00fclet egyed\u00fcl\u00e1ll\u00f3 hat\u00e1smechanizmussal, rendk\u00edv\u00fcl alacsony toxicit\u00e1ssal \u00e9s minim\u00e1lis mell\u00e9khat\u00e1sokkal rendelkezik, ami rendk\u00edv\u00fcl \u00edg\u00e9retes vegy\u00fcletjel\u00f6ltet jelent az anti-HIV-1 ter\u00e1pi\u00e1ban; P\u00e9ld\u00e1ul a 23-HBA sz\u00e1mos sz\u00e1rmaz\u00e9ka g\u00e1tolja a k\u00fcl\u00f6nb\u00f6z\u0151 daganatok \u00e9s r\u00e1kos sejtek, p\u00e9ld\u00e1ul a v\u00e9gb\u00e9lr\u00e1k, t\u00fcd\u0151r\u00e1k, leuk\u00e9mia, limf\u00f3ma, prosztatar\u00e1k, petef\u00e9szekr\u00e1k stb. biol\u00f3giai aktivit\u00e1s\u00e1t is, a sejtek t\u00fal\u00e9l\u00e9s\u00e9hez \u00e9s n\u00f6veked\u00e9s\u00e9hez sz\u00fcks\u00e9ges specifikus enzimek, p\u00e9ld\u00e1ul az ornitin dekarboxil\u00e1z g\u00e1tl\u00e1s\u00e1val. Ez\u00e9rt a 23-HBA-t jelent\u0151s kutat\u00e1si \u00e9rt\u00e9kkel b\u00edr\u00f3 vezet\u0151 vegy\u00fcletnek tekintik.
\nAz elm\u00falt \u00e9vekben kutat\u00f3csoportunk szisztematikus tanulm\u00e1nyokat v\u00e9gzett a 23-HBA sz\u00e1rmaz\u00e9kos\u00edt\u00e1s\u00e1val kapcsolatban, \u00e9s a 23-HBA fontos, jobb aktivit\u00e1s\u00fa 3,23-diacetil-17-ecetsav-betulinsav sz\u00e1rmaz\u00e9k\u00e1t (a tov\u00e1bbiakban: sz\u00e1rmaztatott BA) kapta. Az ilyen 23-HBA-sz\u00e1rmaz\u00e9kok hat\u00e1smechanizmus\u00e1nak kutat\u00e1sa azonban m\u00e9g mindig gyerekcip\u0151ben j\u00e1r, \u00e9s kev\u00e9s jelent\u00e9s sz\u00f3l a c\u00e9lpontjaikr\u00f3l, a tiszt\u00e1zatlan c\u00e9lpontok \u00e9s mechanizmusok dilemm\u00e1j\u00e1val szembes\u00fclve. Ez\u00e9rt a term\u00e9szetes term\u00e9kek feh\u00e9rje\/enzim c\u00e9lpontjainak azonos\u00edt\u00e1s\u00e1ra \u00e9s azonos\u00edt\u00e1s\u00e1ra szolg\u00e1l\u00f3 hat\u00e9kony, gyors \u00e9s egyszer\u0171 m\u00f3dszer kifejleszt\u00e9se nagyon sz\u00e9les k\u00f6r\u0171 \u00e9s fontos alkalmaz\u00e1si perspekt\u00edv\u00e1t jelent. \u00c9rdemes megjegyezni, hogy az elm\u00falt \u00e9vekben k\u00fcl\u00f6nb\u00f6z\u0151 technol\u00f3giai eszk\u00f6z\u00f6k jelentek meg a gy\u00f3gyszerc\u00e9lfeh\u00e9rj\u00e9k felfedez\u00e9s\u00e9hez \u00e9s kutat\u00e1s\u00e1hoz; Ezek k\u00f6z\u00fcl az affinit\u00e1s d\u00fas\u00edt\u00e1si hal\u00e1szaton alapul\u00f3 k\u00e9miai proteomikai technol\u00f3gia k\u00e9pes kihaszn\u00e1lni vagy szimul\u00e1lni a biomolekul\u00e1k k\u00f6z\u00f6tti specifikus k\u00f6lcs\u00f6nhat\u00e1sokat, \u00e9s a kromatogr\u00e1fia \u00e1ll\u00f3f\u00e1zisak\u00e9nt szolg\u00e1lhat a specifikus anyagok szelekt\u00edv elemz\u00e9s\u00e9re \u00e9s tiszt\u00edt\u00e1s\u00e1ra komplex kever\u00e9kekb\u0151l. Ez\u00e9rt v\u00e1lt a kis molekul\u00e1j\u00fa gy\u00f3gyszerfeh\u00e9rje c\u00e9lpontok vizsg\u00e1lat\u00e1nak egyik f\u0151 m\u00f3dszer\u00e9v\u00e9, jelent\u0151s el\u0151ny\u00f6kkel, p\u00e9ld\u00e1ul nagy \u00e1tereszt\u0151k\u00e9pess\u00e9ggel \u00e9s alacsony k\u00f6lts\u00e9ggel. Az affinit\u00e1skromatogr\u00e1fi\u00e1t eddig sikeresen alkalmazt\u00e1k k\u00fcl\u00f6nb\u00f6z\u0151 gy\u00f3gyszerek, p\u00e9ld\u00e1ul a takrolimusz, a ciklosporin, a metotrex\u00e1t stb. c\u00e9lfeh\u00e9rj\u00e9inek keres\u00e9s\u00e9re. Egy \u00faj, 23-HBA-sz\u00e1rmaz\u00e9kokkal k\u00f6t\u00f6tt affinit\u00e1skromatogr\u00e1fi\u00e1s oszlop elk\u00e9sz\u00edt\u00e9s\u00e9vel sejtekb\u0151l vagy sz\u00f6vetekb\u0151l kivont feh\u00e9rj\u00e9k affinit\u00e1si sz\u0171r\u00e9s\u00e9t vizsg\u00e1ljuk a megfelel\u0151 c\u00e9lfeh\u00e9rj\u00e9k felfedez\u00e9se \u00e9rdek\u00e9ben. Ez v\u00e1rhat\u00f3an \u00faj \u00f6tleteket \u00e9s m\u00f3dszereket hoz l\u00e9tre a term\u00e9szetes term\u00e9kek c\u00e9lfeh\u00e9rj\u00e9inek keres\u00e9s\u00e9re \u00e9s tanulm\u00e1nyoz\u00e1s\u00e1ra; Ugyanakkor fontos kutat\u00e1si platformot biztos\u00edt a kis molekul\u00e1j\u00fa term\u00e9szetes term\u00e9kek \u00e9s a k\u00fcl\u00f6nb\u00f6z\u0151 c\u00e9lpontok k\u00f6z\u00f6tti k\u00f6lcs\u00f6nhat\u00e1s tanulm\u00e1nyoz\u00e1s\u00e1hoz.
\nA gyakori affinit\u00e1sd\u00fas\u00edt\u00f3 m\u00e1trixanyagok k\u00f6z\u00fcl a szilikag\u00e9l j\u00f3 kromatogr\u00e1fi\u00e1s teljes\u00edtm\u00e9nyt ny\u00fajt, de gyenge sav- \u00e9s l\u00fag\u00e1ll\u00f3s\u00e1ggal rendelkezik; a gyanta \u00e9s az agar\u00f3z sz\u00e9les pH-tartom\u00e1nyban alkalmazhat\u00f3, de gyenge mechanikai szil\u00e1rds\u00e1ggal rendelkezik. A monolitikus oszlop egy kromatogr\u00e1fi\u00e1s oszlopon monomerek, t\u00e9rh\u00e1l\u00f3s\u00edt\u00f3szerek, inici\u00e1torok \u00e9s p\u00f3rusk\u00e9pz\u0151 anyagok kever\u00e9k\u00e9nek in-situ polimeriz\u00e1ci\u00f3j\u00e1val kialak\u00edtott, gyors anal\u00edzisre \u00e9s \u00e1raml\u00e1si sebess\u00e9g gradiens \u00fczemm\u00f3dra alkalmas, folyamatos \u00e1gy\u00fa \u00e1ll\u00f3f\u00e1zis. A hagyom\u00e1nyos t\u00f6lt\u00f6tt oszlopokkal \u00f6sszehasonl\u00edtva el\u0151nye az egyszer\u0171 elk\u00e9sz\u00edt\u00e9si m\u00f3dszer, a k\u00f6nny\u0171 m\u00f3dos\u00edt\u00e1s, a nagy oszlophat\u00e9konys\u00e1g, a j\u00f3 \u00e1tereszt\u0151k\u00e9pess\u00e9g, az alacsony ellennyom\u00e1s \u00e9s a gyors t\u00f6meg\u00e1tad\u00e1si sebess\u00e9g; ugyanakkor el\u0151nye a szab\u00e1lyozhat\u00f3 p\u00f3rusm\u00e9ret is, ami nagy el\u0151ny\u00f6kkel j\u00e1r a biomolekul\u00e1k elv\u00e1laszt\u00e1s\u00e1ban \u00e9s elemz\u00e9s\u00e9ben. Ez\u00e9rt a sav- \u00e9s l\u00fag\u00e1ll\u00f3s\u00e1gon \u00e9s a j\u00f3 biokompatibilit\u00e1son alapul\u00f3 \u00faj polimer alap\u00fa \u00f6mlesztett anyag affinit\u00e1skromatogr\u00e1fia kifejleszt\u00e9se fontos elm\u00e9leti \u00e9s gyakorlati jelent\u0151s\u00e9ggel b\u00edr.
\nJelenleg nincs irodalmi besz\u00e1mol\u00f3 a 23-HBA vegy\u00fcletekkel k\u00f6t\u00f6tt szerves polimer monolitikus oszlopokr\u00f3l. Ez a tanulm\u00e1ny els\u0151sorban a kor\u00e1bban bejelentett \"egy ed\u00e9nyes m\u00f3dszert\" haszn\u00e1lta fel egy \u00faj, immobiliz\u00e1lt 23 HBA c\u00e9lpolimer monolitikus oszlop poli (GMA-EDA-BA-co EDMA) el\u0151\u00e1ll\u00edt\u00e1s\u00e1ra in-situ termikus polimeriz\u00e1ci\u00f3val egy 100 \u03bc m I.D. (bels\u0151 \u00e1tm\u00e9r\u0151j\u0171) kapill\u00e1ris oszlopban; Ugyanakkor alaposan felt\u00e1rtuk az el\u0151\u00e1ll\u00edtott monolitikus oszlop \u00f6sszet\u00e9tel\u00e9t \u00e9s ar\u00e1ny\u00e1t, \u00e9s megvizsg\u00e1ltuk a hat\u00e1smechanizmus\u00e1t.<\/p>\n

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\nEbben a cikkben a term\u00e9szetes term\u00e9kek kis molekul\u00e1inak immobiliz\u00e1l\u00e1s\u00e1ra szolg\u00e1l\u00f3 affinit\u00e1skromatogr\u00e1fi\u00e1s oszlop el\u0151\u00e1ll\u00edt\u00e1s\u00e1nak m\u00f3dszer\u00e9t vizsg\u00e1ljuk. El\u0151sz\u00f6r is akt\u00edv etil\u00e9ndiamin-csoportokkal rendelkez\u0151 EDA-BA funkci\u00f3s monomerek (ligandumok) szintetiz\u00e1l\u00e1sa t\u00f6rt\u00e9nik a 28-as poz\u00edci\u00f3 m\u00f3dos\u00edt\u00e1s\u00e1val, ami nem befoly\u00e1solja jelent\u0151sen az aktivit\u00e1st. A poli(GMA-EDA-BA co EDMA) integr\u00e1l kromatogr\u00e1fi\u00e1s oszlopokat \"one pot m\u00f3dszerrel\" m\u00e1s monomerekkel \u00e9s t\u00e9rh\u00e1l\u00f3s\u00edt\u00f3szerekkel egy\u00fctt \u00e1ll\u00edtj\u00e1k el\u0151. A tanulm\u00e1ny l\u00e9nyege egy affinit\u00e1skromatogr\u00e1fi\u00e1s oszlopk\u00e9sz\u00edt\u00e9si m\u00f3dszer kifejleszt\u00e9se a prom\u00f3ci\u00f3s \u00e9rt\u00e9kkel rendelkez\u0151 term\u00e9szetes term\u00e9kek kis molekul\u00e1inak immobiliz\u00e1l\u00e1s\u00e1ra. Az \"egyed\u00e9nyes m\u00f3dszer\" nagy el\u0151ny\u00f6kkel j\u00e1r az el\u0151k\u00e9sz\u00edt\u00e9s hat\u00e9konys\u00e1ga szempontj\u00e1b\u00f3l, nemcsak id\u0151t takar\u00edt meg \u00e9s cs\u00f6kkenti a monomer vegy\u00fcletek tiszt\u00edt\u00e1si k\u00f6lts\u00e9g\u00e9t, hanem a kromatogr\u00e1fi\u00e1s oszlop affinit\u00e1s\u00e1t is meg\u0151rzi. A funkcion\u00e1lis monomerek (ligandumok) kereskedelmi forgalomba hozatal\u00e1nak szintje azonban meghat\u00e1rozza a m\u00f3dszer tov\u00e1bbi prom\u00f3ci\u00f3s \u00e9rt\u00e9k\u00e9t; Jelenleg m\u00e9g mindig sz\u00fcks\u00e9ges az egyes kis molekul\u00e1kon alapul\u00f3 sz\u00e1rmaz\u00e9ktervez\u00e9s, amely bizonyos hi\u00e1nyoss\u00e1gokkal j\u00e1r. Ami ennek az affinit\u00e1skromatogr\u00e1fi\u00e1s oszlopnak a komplex rendszerekben val\u00f3 gyakorlati alkalmaz\u00e1s\u00e1t \u00e9s prom\u00f3ci\u00f3j\u00e1t illeti, tov\u00e1bbi kutat\u00e1sokra van sz\u00fcks\u00e9g a k\u00e9s\u0151bbi k\u00eds\u00e9rletek sor\u00e1n.
\nA term\u00e9szetes term\u00e9kek mindig is fontos forr\u00e1sa voltak az \u00faj gy\u00f3gyszerek felfedez\u00e9s\u00e9nek, \u00e9s a term\u00e9szetes term\u00e9kek immobiliz\u00e1l\u00e1sa a megfelel\u0151 affinit\u00e1skromatogr\u00e1fi\u00e1s oszlopok elk\u00e9sz\u00edt\u00e9s\u00e9hez hasznos a term\u00e9szetes term\u00e9kek fejleszt\u00e9s\u00e9hez, \u00edgy a kutat\u00e1s egyik forr\u00f3 pontj\u00e1v\u00e1 v\u00e1lt. Ennek a cikknek a c\u00e9lja egy gyors, hat\u00e9kony \u00e9s megval\u00f3s\u00edthat\u00f3 m\u00f3dszer l\u00e9trehoz\u00e1sa a term\u00e9szetes term\u00e9kek c\u00e9lfeh\u00e9rj\u00e9inek keres\u00e9s\u00e9re \u00e9s tanulm\u00e1nyoz\u00e1s\u00e1ra; Ugyanakkor fontos kutat\u00e1si m\u00f3dszert \u00e9s platformot is biztos\u00edt a kis molekul\u00e1j\u00fa term\u00e9szetes term\u00e9kek \u00e9s a k\u00fcl\u00f6nb\u00f6z\u0151 c\u00e9lpontok k\u00f6z\u00f6tti k\u00f6lcs\u00f6nhat\u00e1s felt\u00e1r\u00e1s\u00e1ra, amely v\u00e1rhat\u00f3an j\u00f3 hat\u00e9konys\u00e1got mutat a betegs\u00e9gekben. A hat\u00e1s el\u00e9r\u00e9s\u00e9nek f\u0151 m\u00f3dja az alfa-amil\u00e1z \u00e9s az alfa-gl\u00fckozid\u00e1z g\u00e1tl\u00e1sa, ez\u00e1ltal a poliszacharidok hidrol\u00edzis\u00e9nek cs\u00f6kkent\u00e9se \u00e9s a glik\u00e1nszint\u00e9zis el\u0151seg\u00edt\u00e9se. Ez arra utal, hogy a BA affinit\u00e1si kapcsolatot alak\u00edthat ki az alfa-gl\u00fckozid\u00e1zzal, ez\u00e1ltal jelent\u0151s kromatogr\u00e1fi\u00e1s retenci\u00f3s hat\u00e1st \u00e9rhet el. Ez a tanulm\u00e1ny tudom\u00e1nyos alapot ny\u00fajt ezen integr\u00e1l oszlop hat\u00e1smechanizmus\u00e1nak felt\u00e1r\u00e1s\u00e1hoz, de konkr\u00e9t alkalmaz\u00e1s\u00e1t t\u00e9nyleges mint\u00e1kban m\u00e9g tov\u00e1bb kell t\u00e1mogatni a k\u00e9s\u0151bbi munk\u00e1k sor\u00e1n.<\/p>","protected":false},"excerpt":{"rendered":"

Immobiliz\u00e1lt betulinsav-affinit\u00e1s\u00fa integr\u00e1l oszlop el\u0151\u00e1ll\u00edt\u00e1si m\u00f3dszere \u00e9s alkalmaz\u00e1sa A 23 hidroxibetulinsav (23-HBA) egy lupin t\u00edpus\u00fa pentaciklusos triterpenoid vegy\u00fclet, amelyet a Ranunculaceae csal\u00e1dba tartoz\u00f3 Pulsatilla chinensis hagyom\u00e1nyos k\u00ednai gy\u00f3gyn\u00f6v\u00e9nyb\u0151l izol\u00e1ltak. Elterjedt k\u00fcl\u00f6nb\u00f6z\u0151 n\u00f6v\u00e9nyekben is, mint p\u00e9ld\u00e1ul a Betula pubescens, Ziziphus mauritiana, Prunella vulgaris, Apocynaceae, \u00e9s k\u00fcl\u00f6n\u00f6sen [...]<\/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":"\nPreparation method and application of immobilized betulinic acid affinity integral column - 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\/immobilized-betulinic-acid-affinity-integral-column\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Preparation method and application of immobilized betulinic acid affinity integral column - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Preparation method and application of immobilized betulinic acid affinity integral column 23 hydroxy betulinic acid (23-HBA) is a lupine type pentacyclic triterpenoid compound isolated from the traditional Chinese medicine plant Pulsatilla chinensis in the Ranunculaceae family. 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