{"id":8809,"date":"2024-08-14T20:14:47","date_gmt":"2024-08-14T20:14:47","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=8809"},"modified":"2024-08-14T20:14:47","modified_gmt":"2024-08-14T20:14:47","slug":"ethanol-extract-of-rapeseed-bee-pollen-on-isoproterenol-induced-myocardial-cell-hypertrophy","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/hu\/repcepollen-etanolos-kivonata-az-izoproterenol-altal-kivaltott-szivizomsejt-hipertrofian\/","title":{"rendered":"A repcem\u00e9hpollen etanolos kivonat\u00e1nak v\u00e9d\u0151 hat\u00e1sa \u00e9s mechanizmusa az izoproterenol \u00e1ltal kiv\u00e1ltott sz\u00edvizomsejt hipertr\u00f3fi\u00e1n"},"content":{"rendered":"<p>A repcem\u00e9hpollen etanolos kivonat\u00e1nak v\u00e9d\u0151 hat\u00e1sa \u00e9s mechanizmusa az izoproterenol \u00e1ltal kiv\u00e1ltott sz\u00edvizomsejt hipertr\u00f3fi\u00e1n<br \/>\nA sz\u00edvel\u00e9gtelens\u00e9g (HF) gyakori kardiovaszkul\u00e1ris szindr\u00f3ma, a k\u00fcl\u00f6nb\u00f6z\u0151 sz\u00edvbetegs\u00e9gek v\u00e9gs\u0151 st\u00e1diuma, amely magas rokkants\u00e1gi \u00e9s hal\u00e1loz\u00e1si ar\u00e1nyokkal j\u00e1r. A sz\u00edv hipertr\u00f3fi\u00e1ja (CH) korai adapt\u00edv v\u00e1lasz a sz\u00edvel\u00e9gtelens\u00e9g folyamat\u00e1ban, de az elh\u00faz\u00f3d\u00f3 CH felgyors\u00edthatja a sz\u00edvizomfibr\u00f3zist \u00e9s a szisztol\u00e9s diszfunkci\u00f3t, ez\u00e1ltal felgyors\u00edtva a HF progresszi\u00f3j\u00e1t. A CH nemcsak pang\u00e1sos sz\u00edvel\u00e9gtelens\u00e9get okoz, hanem f\u00fcggetlen kock\u00e1zati t\u00e9nyez\u0151je a magas v\u00e9rnyom\u00e1snak, a sz\u00edvbillenty\u0171-betegs\u00e9gnek, a dilatat\u00edv kardiomiop\u00e1ti\u00e1nak, a sz\u00edvizom iszk\u00e9mi\u00e1nak, a sz\u00edvinfarktusnak, a sz\u00edvritmuszavarnak \u00e9s a hirtelen hal\u00e1lnak is. A CH kontrollja jelent\u0151sen k\u00e9sleltetheti a kardiomiop\u00e1tia progresszi\u00f3j\u00e1t. A CH kialakul\u00e1s\u00e1nak k\u00e9sleltet\u00e9se vagy elker\u00fcl\u00e9se az egyik legfontosabb ter\u00e1pi\u00e1s c\u00e9l.<br \/>\nAz izoproterenol (ISO) az adrenerg receptor agonist\u00e1k k\u00f6z\u00e9 tartozik. Az ISO ism\u00e9telt vagy folyamatos bead\u00e1sa a \u03b2 1-adrenerg receptorok gerjeszt\u00e9s\u00e9re toxikus k\u00e1rosod\u00e1st okozhat a sz\u00edvizomban, n\u00f6velheti a sz\u00edvizom kontraktilit\u00e1s\u00e1t \u00e9s oxig\u00e9nfogyaszt\u00e1s\u00e1t, ami aritmi\u00e1hoz, megn\u00f6vekedett ut\u00f3terhel\u00e9shez \u00e9s sz\u00edvizom iszk\u00e9mi\u00e1s nekr\u00f3zis\u00e1hoz vezet, ami sz\u00edvizom remodellinget eredm\u00e9nyez \u00e9s kompenz\u00e1ci\u00f3s CH-t induk\u00e1l. Ez\u00e9rt az ISO-t gyakran haszn\u00e1lj\u00e1k CH-modellek l\u00e9trehoz\u00e1s\u00e1ra. A kutat\u00e1sok kimutatt\u00e1k, hogy az ISO \u00e1ltal kiv\u00e1ltott CH-t a sz\u00edvizomsejtek ter\u00fclet\u00e9nek n\u00f6veked\u00e9se, t\u00falzott feh\u00e9rjeszint\u00e9zis \u00e9s a CH markerg\u00e9nek, mint a pitvari natriuretikus peptid (ANP), az agyi natriuretikus peptid (BNP) \u00e9s a \u03b2 - miozin neh\u00e9zl\u00e1nc (\u03b2 - MHC) reaktiv\u00e1l\u00e1sa k\u00eds\u00e9ri.<br \/>\nA m\u00e9hpemp\u0151 az egyik tipikus k\u00e9pvisel\u0151je a sok m\u00e9h\u00e9szeti term\u00e9knek, amely b\u0151s\u00e9ges \u00f6sszetev\u0151ket tartalmaz. Thakur et al. statisztik\u00e1i szerint a m\u00e9hpemp\u0151 f\u0151 \u00f6sszetev\u0151i k\u00f6z\u00e9 tartoznak a sz\u00e9nhidr\u00e1tok (54,22%), feh\u00e9rj\u00e9k (21,30%), lipidek (5,31%), rostok (8,75%), hamutartalom (2,91%) stb. Fenolos vegy\u00fcleteket, flavonoidokat, poliaminokat, nukleozidokat, aminosavakat, zs\u00edrsavakat, vitaminokat stb. is tartalmaz. A m\u00e9hpemp\u0151 k\u00fcl\u00f6nb\u00f6z\u0151 farmakol\u00f3giai aktivit\u00e1sokkal rendelkezik, mint p\u00e9ld\u00e1ul antioxid\u00e1ns, sz\u00edvinfarktus elleni, valamint m\u00e1j- \u00e9s vesev\u00e9d\u0151, \u00e9s potenci\u00e1lis alkalmaz\u00e1si \u00e9rt\u00e9kkel b\u00edr. A kutat\u00f3csoport el\u0151zetes vizsg\u00e1latokat v\u00e9gzett a Schisandra chinensis m\u00e9hpollen etanolos kivonat\u00e1nak \u00e9s f\u0151 \u00f6sszetev\u0151inek v\u00e9d\u0151 hat\u00e1s\u00e1r\u00f3l \u00e9s mechanizmusair\u00f3l a H2O2 \u00e1ltal k\u00e1ros\u00edtott H9c2 sz\u00edvizomsejtekre, meger\u0151s\u00edtve, hogy a m\u00e9hpollen antioxid\u00e1ns kapacit\u00e1sa v\u00e9d\u0151 hat\u00e1ssal van a sz\u00edvizomsejtek k\u00e1rosod\u00e1s\u00e1ra. A repce m\u00e9hpemp\u0151 az egyik legkelend\u0151bb term\u00e9k a m\u00e9h\u00e9szeti term\u00e9kek piac\u00e1n. Zhang \u00e9s munkat\u00e1rsai \u00f6sszehasonl\u00edtott\u00e1k a k\u00fcl\u00f6nb\u00f6z\u0151 m\u00e9hpollenek teljes fenol- \u00e9s flavonoidtartalm\u00e1nak \u00e9s antioxid\u00e1ns kapacit\u00e1s\u00e1nak k\u00fcl\u00f6nbs\u00e9geit, \u00e9s meg\u00e1llap\u00edtott\u00e1k, hogy a repce m\u00e9hpollenj\u00e9nek teljes fenol- \u00e9s flavonoidtartalma magasabb, \u00e9s antioxid\u00e1ns kapacit\u00e1sa is er\u0151sebb. Ez a cikk a k\u00f6z\u00f6s m\u00e9hpemp\u0151t - repcepollen etanolos kivonat\u00e1t (RBPEE) veszi kutat\u00e1si t\u00e1rgynak, azonos\u00edtja f\u0151 k\u00e9miai \u00f6sszetev\u0151it, \u00e9s tanulm\u00e1nyozza beavatkoz\u00e1si hat\u00e1s\u00e1t \u00e9s lehets\u00e9ges molekul\u00e1ris mechanizmus\u00e1t az ISO induk\u00e1lt sz\u00edvizomsejt hipertr\u00f3fi\u00e1ra, megalapozva a m\u00e9hpollenforr\u00e1sok m\u00e9lyrehat\u00f3 fejleszt\u00e9s\u00e9t \u00e9s felhaszn\u00e1l\u00e1s\u00e1t.<\/p>\n<p>A CH jellemz\u0151i k\u00f6z\u00e9 tartozik els\u0151sorban a sz\u00edvizomsejtek megn\u00f6vekedett t\u00e9rfogata, a fokozott feh\u00e9rjeszint\u00e9zis, a megn\u00f6vekedett t\u00f6meg \u00e9s a kamrafal megvastagod\u00e1sa. Az ANP, BNP \u00e9s \u03b2-MHC, mint a CH molekul\u00e1ris markerei, a CH folyamat sor\u00e1n \u00fajra kifejez\u0151dnek, auton\u00f3m m\u00f3don termel\u0151dnek \u00e9s felszabadulnak a sz\u00edvizomsejtekb\u0151l, akt\u00edvan r\u00e9szt vesznek a kompenz\u00e1ci\u00f3s mechanizmusokban \u00e9s szab\u00e1lyozz\u00e1k a sz\u00edvm\u0171k\u00f6d\u00e9st. Ebben a vizsg\u00e1latban a kardiomiocit\u00e1k fel\u00fclete jelent\u0151sen megn\u0151tt, a teljes feh\u00e9rjetartalom jelent\u0151sen megn\u0151tt, \u00e9s a h\u00e1rom sz\u00edvhipertr\u00f3fia-marker mRNS-expresszi\u00f3s szintje jelent\u0151sen megn\u0151tt, ami az ISO \u00e1ltal induk\u00e1lt sz\u00edvhipertr\u00f3fia modell siker\u00e9t jelzi. RBPEE-vel t\u00f6rt\u00e9n\u0151 kezel\u00e9s ut\u00e1n a sejtfelsz\u00edn \u00e9s a teljes feh\u00e9rjetartalom szignifik\u00e1nsan cs\u00f6kkent a modellcsoporthoz k\u00e9pest, \u00e9s a h\u00e1rom sz\u00edvhipertr\u00f3fia-marker mRNS expresszi\u00f3s szintje is szignifik\u00e1nsan cs\u00f6kkent, ami azt jelzi, hogy az RBPEE j\u00f3 megel\u0151z\u0151 hat\u00e1ssal van az ISO induk\u00e1lt sz\u00edvhipertr\u00f3fi\u00e1ra.<br \/>\nNorm\u00e1lis k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt a szervezet k\u00e9pes id\u0151ben elt\u00e1vol\u00edtani a sz\u00f6vetek oxidat\u00edv anyagcser\u00e9je \u00e1ltal termelt felesleges szabad gy\u00f6k\u00f6ket az antioxid\u00e1ns enzimek, mint p\u00e9ld\u00e1ul a SOD, valamint a nem enzimatikus antioxid\u00e1nsok, mint p\u00e9ld\u00e1ul a GSH, a karotinoidok \u00e9s a C-vitamin seg\u00edts\u00e9g\u00e9vel, ez\u00e1ltal biztos\u00edtva a szabad gy\u00f6k\u00f6k dinamikus egyens\u00faly\u00e1t a szervezetben \u00e9s fenntartva a norm\u00e1lis m\u0171k\u00f6d\u00e9st. Az oxidat\u00edv stressz okozta k\u00e1rosod\u00e1s f\u0151 \u00fatja a sejtekben a reakt\u00edv oxig\u00e9nfajok (ROS) \u00e9s a biomolekul\u00e1k, p\u00e9ld\u00e1ul a lipidek, feh\u00e9rj\u00e9k \u00e9s nukleinsavak k\u00f6z\u00f6tti peroxid\u00e1ci\u00f3s reakci\u00f3, amely szerkezeti k\u00e1rosod\u00e1st \u00e9s anyagcserezavarokat okoz, \u00e9s v\u00e9g\u00fcl k\u00fcl\u00f6nb\u00f6z\u0151 betegs\u00e9gekhez vezet. Amikor a sejtmembr\u00e1nt ROS t\u00e1madja meg, a membr\u00e1n foszfolipidmolekul\u00e1iban l\u00e9v\u0151 tel\u00edtetlen zs\u00edrsavak oxid\u00e1l\u00f3dnak, \u00e9s lipidperoxidok, p\u00e9ld\u00e1ul MDA keletkeznek. Ez\u00e9rt a testsejtek oxidat\u00edv k\u00e1rosod\u00e1s\u00e1nak m\u00e9rt\u00e9k\u00e9t az intracellul\u00e1ris SOD-aktivit\u00e1s, a GSH-tartalom \u00e9s az MDA-tartalom v\u00e1ltoz\u00e1sai t\u00fckr\u00f6zik. Az NF kB \u00fatvonalat pro-inflammatorikus jel\u00e1tviteli \u00fatvonalnak tekintik, \u00e9s az oxidat\u00edv stressz \u00e1ltal aktiv\u00e1lt NF kB a citoplazm\u00e1b\u00f3l a sejtmagba transzport\u00e1l\u00f3dhat, ez\u00e1ltal el\u0151seg\u00edtve a sejtekben a pro-inflammatorikus medi\u00e1torok, p\u00e9ld\u00e1ul az IL-6 \u00e9s a TNF - \u03b1 \u00e1t\u00edr\u00e1s\u00e1t. Ez\u00e9rt a pro-inflammatorikus citokinek expresszi\u00f3s szintj\u00e9nek kimutat\u00e1s\u00e1val meghat\u00e1rozhat\u00f3 a gyullad\u00e1sos v\u00e1lasznak a sz\u00edvizomsejtekre gyakorolt hat\u00e1s\u00e1nak m\u00e9rt\u00e9ke. Az \u00e1ltalunk alkalmazott ISO induk\u00e1lt kardiomiocita hipertr\u00f3fia a SOD aktivit\u00e1s \u00e9s a GSH tartalom szignifik\u00e1ns cs\u00f6kken\u00e9s\u00e9t, az MDA tartalom szignifik\u00e1ns n\u00f6veked\u00e9s\u00e9t, valamint az IL-6, TNF-a \u00e9s IL-2 mR-NA expresszi\u00f3s szintj\u00e9nek szignifik\u00e1ns n\u00f6veked\u00e9s\u00e9t eredm\u00e9nyezte a kardiomiocit\u00e1kban, ami arra utal, hogy a kardiomiocita hipertr\u00f3fi\u00e1t oxidat\u00edv stressz \u00e9s gyullad\u00e1sos v\u00e1lasz k\u00eds\u00e9ri. RBPEE-vel t\u00f6rt\u00e9n\u0151 kezel\u00e9s ut\u00e1n a SOD-aktivit\u00e1s \u00e9s a GSH-tartalom jelent\u0151sen megn\u0151tt, az MDA-tartalom jelent\u0151sen cs\u00f6kkent, \u00e9s a h\u00e1rom gyullad\u00e1sos v\u00e1laszfaktor g\u00e9nexpresszi\u00f3s szintje jelent\u0151sen cs\u00f6kkent, ami azt jelzi, hogy az RBPEE az oxidat\u00edv stressz \u00e9s a gyullad\u00e1sos v\u00e1lasz g\u00e1tl\u00e1s\u00e1val megel\u0151zheti a sz\u00edvizomsejtek ISO-k\u00e1rosod\u00e1s\u00e1t.<br \/>\nA sejtek apopt\u00f3zis\u00e1nak f\u0151 \u00fatjai k\u00f6z\u00e9 tartozik az exog\u00e9n \u00fat (hal\u00e1lreceptor \u00fat), az endog\u00e9n mitokondri\u00e1lis \u00fat \u00e9s az endoplazmatikus retikulum stressz \u00fatja. A hal\u00e1lreceptor \u00fatvonalon a kaszp\u00e1z-8 a hal\u00e1linduk\u00e1l\u00f3 jelz\u0151komplex (DISC) aktiv\u00e1l\u00f3d\u00e1sa ut\u00e1n jelkaszk\u00e1dot ind\u00edt el, ami a v\u00e9ghat\u00e1sfajt\u00e1k, p\u00e9ld\u00e1ul a kaszp\u00e1z-3 vagy a kaszp\u00e1z-7 automatikus aktiv\u00e1l\u00f3d\u00e1s\u00e1hoz vezet, \u00e9s v\u00e9g\u00fcl a sejt apopt\u00f3zis\u00e1ra utal\u00f3 jeleket induk\u00e1l. A mitokondri\u00e1lis \u00fatvonalban, amikor a mitokondriumokat k\u00fcls\u0151 faktorok stimul\u00e1lj\u00e1k, a Bcl2 csal\u00e1dba tartoz\u00f3 apopt\u00f3zist el\u0151seg\u00edt\u0151 Bax faktor szab\u00e1lyozza a mitokondriumok k\u00fcls\u0151 membr\u00e1n \u00e1tereszt\u0151k\u00e9pess\u00e9g\u00e9t, el\u0151seg\u00edtve a k\u00fcls\u0151 membr\u00e1n \u00e1tereszt\u0151k\u00e9pess\u00e9g\u00e9t \u00e9s azt, hogy a citokr\u00f3m C a mitokondrium membr\u00e1n\u00fcreg\u00e9ben apoptotikus polimerkomplexet k\u00e9pezzen dezoxiadenozin-trifoszf\u00e1ttal (dATP) \u00e9s az apopt\u00f3zis prote\u00e1z aktiv\u00e1l\u00f3 faktorral (APAF1), amely a citoplazm\u00e1ba szabadul fel, \u00e9s toborozza a cisztein-prote\u00e1z 9 prekurzor\u00e1t (pro-Kaszp\u00e1z-9), aktiv\u00e1lja a kaszp\u00e1z-9-et, \u00e9s elind\u00edt egy jelkaszk\u00e1dreakci\u00f3t, amely aktiv\u00e1lja a downstream kaszp\u00e1z-3-at, ami a sejt apopt\u00f3zis\u00e1t induk\u00e1lja. A Bcl-2 a Bcl-2 csal\u00e1d antiapoptotikus tagja, \u00e9s a Bcl-2 \u00e9s a Bax ar\u00e1nya hat\u00e9kony indik\u00e1tor a sz\u00edvizomsejtek apopt\u00f3zis\u00e1nak \u00e9rt\u00e9kel\u00e9s\u00e9re. Ebben a k\u00eds\u00e9rletben a Bcl-2, a Bax, a kaszp\u00e1z-8, a kaszp\u00e1z-9 \u00e9s a kaszp\u00e1z-3 g\u00e9nexpresszi\u00f3s szintj\u00e9t m\u00e9rt\u00fck minden egyes kezel\u00e9si csoportban, hogy meghat\u00e1rozzuk a sz\u00edvizomsejt apopt\u00f3zis m\u00e9rt\u00e9k\u00e9t. A k\u00eds\u00e9rleti eredm\u00e9nyek azt mutatt\u00e1k, hogy az ISO \u00e1ltal kiv\u00e1ltott sz\u00edvizomsejt-hypertr\u00f3fi\u00e1s s\u00e9r\u00fcl\u00e9st a sejtek apopt\u00f3zis\u00e1nak folyamata k\u00eds\u00e9rte. Az RBPEE el\u0151kezel\u00e9s jelent\u0151s g\u00e1tl\u00f3 hat\u00e1ssal volt a kaszp\u00e1z-8, kaszp\u00e1z-9, kaszp\u00e1z-3 \u00e9s Bax g\u00e9nexpresszi\u00f3s szintj\u00e9re. A Bcl-2 g\u00e9nexpresszi\u00f3s szintje \u00e9s a Bcl-2\/Bax ar\u00e1ny szignifik\u00e1nsan emelkedett a modellcsoporthoz k\u00e9pest, ami azt jelzi, hogy az RBPEE prevent\u00edv hat\u00e1ssal van az ISO \u00e1ltal kiv\u00e1ltott kardiomiocita apopt\u00f3zisra.<br \/>\nEz a k\u00eds\u00e9rlet UOLC-QTFF MS-t haszn\u00e1lt az RBPEE k\u00e9miai \u00f6sszet\u00e9tel\u00e9nek kvalitat\u00edv elemz\u00e9s\u00e9re, \u00e9s el\u0151zetesen h\u00e9t f\u0151 komponenst azonos\u00edtott az RBPEE-ben, k\u00f6zt\u00fck egy sz\u00e9nhidr\u00e1tot (gl\u00fckonsav), k\u00e9t nukleozidot (uridin \u00e9s guanozin), egy poliamint (N \u2032, N \u2032 - bis (p-koumaroil) spermidin), \u00e9s h\u00e1rom flavonoid-diszacharid vegy\u00fclet (kvercetin-3-O - (2 \u2032 - O-gl\u00fckopiranozil) - gl\u00fckopiranozid, Quercetin-3-O - (2 \u2032 - O-gl\u00fckopiranozil) - ramnosid \u00e9s kaempferol-3-O - (2 \u2032 - O-gl\u00fckopiranozil) - ramnosid. - O - (2 \u2032 - O-gl\u00fckopiranozil) - gl\u00fckopiranozid. Kutat\u00e1sok kimutatt\u00e1k, hogy mind az uridin, mind a guanozin antioxid\u00e1ns, gyullad\u00e1scs\u00f6kkent\u0151 \u00e9s apopt\u00f3zisellenes hat\u00e1ssal rendelkezik; az N1 \u00e9s N5 bis (p-kumaroil) spermidin j\u00f3 antioxid\u00e1ns tulajdons\u00e1gokkal rendelkezik, amelyek n\u00f6velhetik a sejtek teljes antioxid\u00e1ns kapacit\u00e1s\u00e1t, fokozhatj\u00e1k az antioxid\u00e1ns enzimek SOD, CAT \u00e9s GPx enzimaktivit\u00e1s\u00e1t, \u00e9s cs\u00f6kkenthetik a lipidoxid\u00e1ci\u00f3s szintet; A flavonoid glikozidok, mint p\u00e9ld\u00e1ul a kvercetin \u00e9s a kaempferol farmakol\u00f3giai hat\u00e1sokkal rendelkeznek, p\u00e9ld\u00e1ul antioxid\u00e1ns, gyullad\u00e1scs\u00f6kkent\u0151 \u00e9s antiapoptotikus tulajdons\u00e1gokkal. Ez\u00e9rt a nukleozidok, poliaminok \u00e9s flavonoidok hat\u00e9kony \u00f6sszetev\u0151i lehetnek az RBPEE-nek az antioxid\u00e1ns, gyullad\u00e1scs\u00f6kkent\u0151 \u00e9s antiapoptotikus hat\u00e1sok kifejt\u00e9s\u00e9ben.<br \/>\n\u00d6sszefoglalva, az RBPEE bizonyos megel\u0151z\u0151 hat\u00e1ssal rendelkezik az ISO \u00e1ltal kiv\u00e1ltott sz\u00edvizomsejt-hypertr\u00f3fi\u00e1ra, \u00e9s hat\u00e1smechanizmusa szorosan \u00f6sszef\u00fcgghet az oxidat\u00edv stressz szintj\u00e9nek cs\u00f6kkent\u00e9s\u00e9vel, a gyullad\u00e1sos v\u00e1laszok g\u00e1tl\u00e1s\u00e1val \u00e9s az antiapoptotikus hat\u00e1sokkal.<\/p>","protected":false},"excerpt":{"rendered":"<p>A repcem\u00e9hpollen etanolos kivonat\u00e1nak v\u00e9d\u0151 hat\u00e1sa \u00e9s mechanizmusa az izoproterenol \u00e1ltal kiv\u00e1ltott sz\u00edvizomsejt-hypertr\u00f3fi\u00e1ra A sz\u00edvel\u00e9gtelens\u00e9g (HF) gyakori kardiovaszkul\u00e1ris szindr\u00f3ma \u00e9s a k\u00fcl\u00f6nb\u00f6z\u0151 sz\u00edvbetegs\u00e9gek v\u00e9gs\u0151 st\u00e1diuma, amely magas rokkants\u00e1gi \u00e9s hal\u00e1loz\u00e1si r\u00e1t\u00e1val j\u00e1r. A sz\u00edv hipertr\u00f3fi\u00e1ja (CH) korai adapt\u00edv v\u00e1lasz a sz\u00edvel\u00e9gtelens\u00e9g folyamat\u00e1ban, de az elh\u00faz\u00f3d\u00f3 [...]<\/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>Protective effect and mechanism of ethanol extract of rapeseed bee pollen on isoproterenol induced myocardial cell hypertrophy - 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\/repcepollen-etanolos-kivonata-az-izoproterenol-altal-kivaltott-szivizomsejt-hipertrofian\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Protective effect and mechanism of ethanol extract of rapeseed bee pollen on isoproterenol induced myocardial cell hypertrophy - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Protective effect and mechanism of ethanol extract of rapeseed bee pollen on isoproterenol induced myocardial cell hypertrophy Heart failure (HF) is a common cardiovascular syndrome and the final stage of various heart diseases, with high disability and mortality rates. 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