{"id":4498,"date":"2024-08-04T14:35:10","date_gmt":"2024-08-04T14:35:10","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=4498"},"modified":"2024-08-04T14:35:10","modified_gmt":"2024-08-04T14:35:10","slug":"%ce%b2-nicotinamide-mononucleotide","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/hu\/%ce%b2-nicotinamide-mononucleotide\/","title":{"rendered":"A \u03b2 - nikotinamid-mononukleotid hat\u00e1sa az autof\u00e1gi\u00e1ra oxig\u00e9n-gl\u00fck\u00f3zhi\u00e1nyos PC12 sejtekben"},"content":{"rendered":"<p>Az iszk\u00e9mi\u00e1s agyi \u00e9rbetegs\u00e9gnek k\u00e9t t\u00edpusa van: a tranziens iszk\u00e9mi\u00e1s stroke \u00e9s az agyi infarktus. K\u00f6z\u00fcl\u00fck az agyi infarktust a hagyom\u00e1nyos k\u00ednai orvosl\u00e1s diagn\u00f3zis\u00e1ban iszk\u00e9mi\u00e1s stroke-nak (IS) nevezik, amely k\u00fcl\u00f6nb\u00f6z\u0151 okok \u00e1ltal okozott betegs\u00e9g, amely helyi v\u00e9rell\u00e1t\u00e1si zavarokhoz vezet az agysz\u00f6veti r\u00e9gi\u00f3kban, ami az agysz\u00f6vet iszk\u00e9mi\u00e1s \u00e9s hipoxi\u00e1s elv\u00e1ltoz\u00e1sait \u00e9s nekr\u00f3zis\u00e1t eredm\u00e9nyezi, \u00e9s ezt k\u00f6vet\u0151en egy sor neurol\u00f3giai m\u0171k\u00f6d\u00e9si zavart okoz. A magas hal\u00e1loz\u00e1si \u00e9s rokkants\u00e1gi ar\u00e1ny, valamint az \u00f6sszetett patol\u00f3giai mechanizmusok minden \u00e9vben jelent\u0151s gazdas\u00e1gi terhet r\u00f3nak a vil\u00e1gra. Az oxig\u00e9n-gl\u00fck\u00f3zmegvon\u00e1s (OGD) agysejtekben az ischaemi\u00e1s stroke leggyakrabban haszn\u00e1lt in vitro modellje, amelyet sz\u00e9les k\u00f6rben alkalmaznak az alap- \u00e9s preklinikai stroke-kutat\u00e1sban.<br \/>\nAz autof\u00e1gia sz\u00e9les k\u00f6rben jelen van az eukari\u00f3ta sejtekben, \u00e9s fontos szerepet j\u00e1tszik a sejtek t\u00fal\u00e9l\u00e9si \u00e9s hal\u00e1loz\u00e1si folyamatainak szab\u00e1lyoz\u00e1s\u00e1ban. Sz\u00e1mos tanulm\u00e1ny utal arra, hogy az autof\u00e1gia szorosan \u00f6sszef\u00fcgg az iszk\u00e9mi\u00e1s agyk\u00e1rosod\u00e1s kialakul\u00e1s\u00e1val \u00e9s fejl\u0151d\u00e9s\u00e9vel. Egyes tanulm\u00e1nyok kimutatt\u00e1k, hogy a neuron\u00e1lis autof\u00e1gia enyh\u00edtheti az ischaemi\u00e1s agyk\u00e1rosod\u00e1st, m\u00edg m\u00e1sok arr\u00f3l sz\u00e1moltak be, hogy a neuron\u00e1lis autof\u00e1gia s\u00falyosb\u00edthatja az ischaemi\u00e1s agyk\u00e1rosod\u00e1st, de a konkr\u00e9t mechanizmus m\u00e9g mindig nem vil\u00e1gos.<br \/>\nA \u03b2 - nikotinamid-mononukleotid (NMN) jelen van k\u00fcl\u00f6nb\u00f6z\u0151 \u00e9lelmiszerekben, \u00e9s l\u00e9tfontoss\u00e1g\u00fa a sejtek \u00f6reged\u00e9s\u00e9nek szab\u00e1lyoz\u00e1s\u00e1ban \u00e9s a norm\u00e1l testi funkci\u00f3k fenntart\u00e1s\u00e1ban. Sz\u00e1mos fontos intracellul\u00e1ris jel\u00e1tviteli \u00fatvonal \u00e1tvitel\u00e9ben vesz r\u00e9szt. Vannak kutat\u00e1si jelent\u00e9sek arr\u00f3l, hogy az NMN in vitro adagol\u00e1sa gyorsan NAD+ -d\u00e1 alak\u00edthat\u00f3 a sejtek \u00f6reged\u00e9s\u00e9nek szab\u00e1lyoz\u00e1sa \u00e9s a norm\u00e1l testi funkci\u00f3k fenntart\u00e1sa \u00e9rdek\u00e9ben. Az NMN kompenz\u00e1lhatja az IS \u00e1ltal okozott NAD+-cs\u00f6kken\u00e9st, \u00e9s jav\u00edthatja az agyi iszk\u00e9mia sor\u00e1n bek\u00f6vetkez\u0151 neuron\u00e1lis k\u00e1rosod\u00e1st. Ez arra utal, hogy az NMN bizonyos szerepet j\u00e1tszik az IS-ben. Tanulm\u00e1nyok kimutatt\u00e1k, hogy az NMN el\u0151seg\u00edtheti a neurovaszkul\u00e1ris regener\u00e1ci\u00f3t, jav\u00edthatja az agyi mikrovaszkul\u00e1ris endot\u00e9lfunkci\u00f3t, gyullad\u00e1scs\u00f6kkent\u0151 \u00e9s apopt\u00f3zisellenes hat\u00e1sokat fejt ki. N\u00e9h\u00e1ny tanulm\u00e1ny arra is utal, hogy az NMN az autof\u00e1gia szab\u00e1lyoz\u00e1s\u00e1val iszk\u00e9mi\u00e1s agyk\u00e1rosod\u00e1s elleni hat\u00e1st fejthet ki, de m\u00e9g nem tiszt\u00e1zott az a specifikus mechanizmus, amellyel az NMN szab\u00e1lyozza az autof\u00e1gi\u00e1t \u00e9s az IS elleni hat\u00e1st.<br \/>\nE tanulm\u00e1ny c\u00e9lja egy oxig\u00e9n-gl\u00fck\u00f3zmegvon\u00e1sos PC12 sejtmodell l\u00e9trehoz\u00e1sa. A sejtek t\u00fal\u00e9l\u00e9si ar\u00e1ny\u00e1t MTT-teszttel m\u00e9rt\u00fck in vitro, az autofagosz\u00f3m\u00e1kat \u00e9s autoliszosz\u00f3m\u00e1kat transzmisszi\u00f3s elektronmikroszk\u00f3pi\u00e1val detekt\u00e1ltuk, az autofagosz\u00f3m\u00e1k fluoreszcenci\u00e1j\u00e1nak intenzit\u00e1s\u00e1t MDC-vel figyelt\u00fck meg, \u00e9s az LC3-II\/LC3-I, Beclin1, p62 \u00e9s P-mTOR\/mTOR autof\u00e1gi\u00e1val kapcsolatos feh\u00e9rjeexpresszi\u00f3j\u00e1t Western blot seg\u00edts\u00e9g\u00e9vel detekt\u00e1ltuk. A c\u00e9l az NMN hat\u00e1s\u00e1nak tiszt\u00e1z\u00e1sa az OGD \u00e1ltal induk\u00e1lt autof\u00e1gikus k\u00e1rosod\u00e1sra a PC12 sejtekben.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4501\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/1-67.png\" alt=\"\" width=\"341\" height=\"286\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4502\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/2-57.png\" alt=\"\" width=\"705\" height=\"470\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/2-57.png 705w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/2-57-650x433.png 650w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/2-57-325x217.png 325w\" sizes=\"(max-width: 705px) 100vw, 705px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4503\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/3-54.png\" alt=\"\" width=\"667\" height=\"284\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4504\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/4-46.png\" alt=\"\" width=\"672\" height=\"271\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4505\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/5-45.png\" alt=\"\" width=\"668\" height=\"549\" \/><\/p>\n<p>A 2017-es Lancet-tanulm\u00e1ny kimutatta, hogy a stroke a f\u0151 betegs\u00e9g, amely K\u00edn\u00e1ban \u00e9veken \u00e1t tart\u00f3 \u00e9letvesztes\u00e9get okoz, a betegs\u00e9g gyors lefoly\u00e1s\u00e1val, magas hal\u00e1loz\u00e1si \u00e9s rokkants\u00e1gi r\u00e1t\u00e1val. Ezek k\u00f6z\u00fcl az IS az \u00f6sszes stroke 60% - 70%-\u00e9rt felel\u0151s, amelyet az agy egy bizonyos ter\u00fclet\u00e9nek v\u00e9rell\u00e1t\u00e1s\u00e1nak cs\u00f6kken\u00e9s\u00e9hez vezet\u0151 \u00e9relz\u00e1r\u00f3d\u00e1s okoz. Az agyi iszk\u00e9mia \u00e9s hipoxia ut\u00e1n egy sor patol\u00f3giai \u00e9s fiziol\u00f3giai reakci\u00f3t ind\u00edthat el, mint p\u00e9ld\u00e1ul az autof\u00e1gia, az apopt\u00f3zis, az oxidat\u00edv stressz \u00e9s az intracellul\u00e1ris kalcium-t\u00falterhel\u00e9s. Az IS t\u00fal\u00e9l\u0151inek hossz\u00fa fel\u00e9p\u00fcl\u00e9si ciklusa megn\u00f6velte a glob\u00e1lis gazdas\u00e1gi terheket. Jelenleg sz\u00e1mos ellenjavallata van a piacon az IS megel\u0151z\u00e9s\u00e9re \u00e9s kezel\u00e9s\u00e9re haszn\u00e1lt gy\u00f3gyszereknek. Ez\u00e9rt folyamatosan fel kell kutatni az IS megel\u0151z\u00e9s\u00e9re \u00e9s kezel\u00e9s\u00e9re szolg\u00e1l\u00f3 gy\u00f3gyszereket. Az OGD klasszikus modell az IS in vitro tanulm\u00e1nyoz\u00e1s\u00e1ra. A PC12 sejtvonal az egyik leggyakrabban haszn\u00e1lt sejtvonal a neuron\u00e1lis s\u00e9r\u00fcl\u00e9sek tanulm\u00e1nyoz\u00e1s\u00e1ra, amelyet gyakran haszn\u00e1lnak az iszk\u00e9mia \u00e9s a hipoxia okozta s\u00e9r\u00fcl\u00e9sek kutat\u00e1s\u00e1ban. Ez\u00e9rt ez a k\u00eds\u00e9rlet az OGD PC12 sejtmodellt haszn\u00e1lta in vitro kutat\u00e1shoz.<br \/>\nAz NMN az emberi szervezetben term\u00e9szetesen el\u0151fordul\u00f3, 334,22-es molekulat\u00f6meg\u0171 anyag, amely sz\u00e1mos \u00e9lelmiszerben is jelen van. A nikotinamid-foszforibozil-transzfer\u00e1z reakci\u00f3 term\u00e9ke \u00e9s egyben a NAD+ egyik legfontosabb prekurzora. Vizsg\u00e1latok szerint az NMN szintj\u00e9nek szab\u00e1lyoz\u00e1sa a szervezetben j\u00f3 ter\u00e1pi\u00e1s \u00e9s reparat\u00edv hat\u00e1ssal van a sz\u00edv- \u00e9s \u00e9rrendszeri \u00e9s agyi \u00e9rrendszeri betegs\u00e9gekre, a neurodegenerat\u00edv betegs\u00e9gekre \u00e9s az \u00e9letkorral \u00f6sszef\u00fcgg\u0151 degenerat\u00edv betegs\u00e9gekre. Vannak kutat\u00e1si jelent\u00e9sek arr\u00f3l is, hogy az NMN adagol\u00e1sa cs\u00f6kkentheti az infarktus m\u00e9ret\u00e9t \u00e9s a neurol\u00f3giai k\u00e1rosod\u00e1st patk\u00e1ny MCAO modellekben. Ebben a k\u00eds\u00e9rletben MTT-tesztet alkalmaztak annak kimutat\u00e1s\u00e1ra, hogy az OGD cs\u00f6kkentheti a PC12 sejtek t\u00fal\u00e9l\u00e9si ar\u00e1ny\u00e1t. Az NMN 400, 800 \u00e9s 1600 \u03bc mol\/L koncentr\u00e1ci\u00f3ban n\u00f6velheti az OGD PC12 sejtek t\u00fal\u00e9l\u00e9si ar\u00e1ny\u00e1t, a legmagasabb t\u00fal\u00e9l\u00e9si ar\u00e1nyt 800 \u03bc mol\/L koncentr\u00e1ci\u00f3ban figyelt\u00e9k meg; azonban nem volt jelent\u0151s k\u00fcl\u00f6nbs\u00e9g a sejtek t\u00fal\u00e9l\u00e9si ar\u00e1ny\u00e1ban az NMN200 \u00e9s 3200 \u03bc mol\/L koncentr\u00e1ci\u00f3k k\u00f6z\u00f6tt, ami azt jelzi, hogy a 200 \u03bc mol\/L koncentr\u00e1ci\u00f3 m\u00e9g nem \u00e9rte el a hat\u00e9kony koncentr\u00e1ci\u00f3t az OGD induk\u00e1lta PC12 sejtek t\u00fal\u00e9l\u00e9si ar\u00e1ny\u00e1nak jav\u00edt\u00e1s\u00e1ra, m\u00edg a 3200 \u03bc mol\/L koncentr\u00e1ci\u00f3 a t\u00falzott koncentr\u00e1ci\u00f3 miatt bizonyos k\u00e1rosod\u00e1st okozhatott a sejtekben.<br \/>\nAz autof\u00e1gia, m\u00e1s n\u00e9ven II. t\u00edpus\u00fa programozott sejthal\u00e1l, arra a folyamatra utal, amelyben a sejtek az autof\u00e1gi\u00e1val kapcsolatos g\u00e9nek szab\u00e1lyoz\u00e1sa alatt a lizosz\u00f3m\u00e1kat haszn\u00e1lj\u00e1k a s\u00e9r\u00fclt, denatur\u00e1lt vagy \u00f6reged\u0151 makromolekul\u00e1k \u00e9s organell\u00e1k lebont\u00e1s\u00e1ra, hogy meg\u0151rizz\u00e9k t\u00fal\u00e9l\u00e9s\u00fcket, differenci\u00e1l\u00f3d\u00e1sukat, n\u00f6veked\u00e9s\u00fcket \u00e9s stabilit\u00e1sukat. A kutat\u00e1sok azt mutatj\u00e1k, hogy az autof\u00e1gia az IS ut\u00e1n induk\u00e1l\u00f3dik, \u00e9s az autof\u00e1gia az IS patol\u00f3giai folyamat\u00e1val egy\u00fctt is el\u0151fordul \u00e9s fejl\u0151dik, k\u00fcl\u00f6nb\u00f6z\u0151 szab\u00e1lyoz\u00f3 szerepet j\u00e1tszva az IS akut, szubakut, gy\u00f3gyul\u00e1si \u00e9s k\u00f6vetkezm\u00e9nyes szakaszaiban.<br \/>\nAz MTOR egy atipikus szerin\/treonin feh\u00e9rje kin\u00e1z, amelynek relat\u00edv molekulat\u00f6mege 289 kDa. A k\u00fcl\u00f6nb\u00f6z\u0151 feh\u00e9rj\u00e9khez val\u00f3 k\u00f6t\u0151d\u00e9se k\u00e9t k\u00fcl\u00f6nb\u00f6z\u0151 komplexet, nevezetesen az mTORCl \u00e9s az mTORC2 komplexet k\u00e9pezhet. Az MTORCl \u00e9rz\u00e9keny a rapamicinre, \u00e9s felel\u0151s a n\u00f6veked\u00e9si faktorok \u00e9s t\u00e1panyagjelek integr\u00e1l\u00e1s\u00e1\u00e9rt, f\u0151k\u00e9nt a sejtek autof\u00e1gi\u00e1j\u00e1nak, a ribosz\u00f3ma biogenezis\u00e9nek, a feh\u00e9rjetranszl\u00e1ci\u00f3nak \u00e9s a lipidszint\u00e9zisnek a szab\u00e1lyoz\u00e1s\u00e1\u00e9rt. Az MTORT az autof\u00e1gia szelep\u00e9nek tekinthet\u0151. Kutat\u00e1sok kimutatt\u00e1k, hogy a foszforil\u00e1lt mTOR enyh\u00edtheti az oxidat\u00edv gl\u00fck\u00f3zmegvon\u00e1s okozta k\u00e1rosod\u00e1st, \u00e9s v\u00e9d\u0151 szerepet j\u00e1tszik a sejtekben. A 3-MA egy \u00e1ltal\u00e1nosan haszn\u00e1lt autof\u00e1gia-g\u00e1tl\u00f3. A RAPA egy mTOR-g\u00e1tl\u00f3, amely az mTORC1 g\u00e1tl\u00e1s\u00e1val k\u00e9pes autof\u00e1gi\u00e1t induk\u00e1lni, amely autof\u00e1gia-aktiv\u00e1tork\u00e9nt is ismert. Ebben a k\u00eds\u00e9rletben 3-MA \u00e9s RAPA csoportokat \u00e1ll\u00edtottunk fel, hogy beavatkozzunk \u00e9s szab\u00e1lyozzuk az OGD \u00e1ltal induk\u00e1lt autof\u00e1gi\u00e1t a PC12 sejtekben. Ugyanakkor 3-MA, RAPA \u00e9s gy\u00f3gyszer-kombin\u00e1ci\u00f3s csoportokat is l\u00e9trehoztunk, hogy megfigyelj\u00fck, hogy az NMN ellens\u00falyozni tudja-e a 3-MA vagy a RAPA hat\u00e1s\u00e1t az OGD \u00e1ltal induk\u00e1lt autof\u00e1gi\u00e1ra a PC12 sejtekben.<br \/>\nA Beclin-1, az LC3 \u00e9s a p62 feh\u00e9rj\u00e9k szintje az autof\u00e1gia fontos kimutat\u00e1si indik\u00e1tora lehet. A Beclin1 egy \u00e9rett autof\u00e1gia szab\u00e1lyoz\u00f3, amely pozit\u00edvan korrel\u00e1l az autof\u00e1gi\u00e1val. A Beclin1 k\u00f6lcs\u00f6nhat\u00e1sba l\u00e9p olyan feh\u00e9rj\u00e9kkel, mint a VPS15, VPS34, ATG14 az autof\u00e1gia \u00e9s a membr\u00e1ntranszport funkci\u00f3k ell\u00e1t\u00e1sa \u00e9rdek\u00e9ben. Az LC3 az \u00e9leszt\u0151ben az ATG8 ubikvitinszer\u0171 m\u00f3dos\u00edt\u00f3 homol\u00f3gja, amelyr\u0151l \u00fagy gondolj\u00e1k, hogy szerepet j\u00e1tszik az autof\u00e1gi\u00e1ban. Az ATG4-gyel t\u00f6rt\u00e9n\u0151 kezel\u00e9s ut\u00e1n az LC3 elvesz\u00edti C-termin\u00e1lis marad\u00e9k\u00e1t, \u00e9s LC3-I-v\u00e9 alakul \u00e1t. Az LC3-I ubikvitin\u00e1ci\u00f3hoz hasonl\u00f3 enzimatikus reakci\u00f3k kaszk\u00e1dj\u00e1n megy kereszt\u00fcl, kovalensen kapcsol\u00f3dik az autof\u00e1gosz\u00f3ma membr\u00e1nj\u00e1n l\u00e9v\u0151 lipidmolekul\u00e1hoz, a foszfatidil-etanolaminhoz, \u00e9s \u00e1talakul LC3-II-v\u00e9. Az LC3-II\/LC3-I ar\u00e1ny n\u00f6veked\u00e9se az autof\u00e1gia szintj\u00e9nek n\u00f6veked\u00e9s\u00e9t jelzi. A P62 az autof\u00e1gia aktivit\u00e1s\u00e1t t\u00fckr\u00f6z\u0151 markerfeh\u00e9rje, \u00e9s feh\u00e9rjeszintje negat\u00edvan korrel\u00e1l az autof\u00e1gi\u00e1val. Azaz, amikor autof\u00e1gia t\u00f6rt\u00e9nik, a p62 feh\u00e9rje folyamatosan lebomlik a citoplazm\u00e1ban; Amikor az autof\u00e1gia aktivit\u00e1sa gyeng\u00fcl \u00e9s az autof\u00e1gia funkci\u00f3ja k\u00e1rosodik, a p62 feh\u00e9rje folyamatosan felhalmoz\u00f3dik a citoplazm\u00e1ban. Ez a k\u00eds\u00e9rlet Western blot technol\u00f3gi\u00e1val meger\u0151s\u00edtette, hogy az NMN k\u00e9pes lefel\u00e9 szab\u00e1lyozni a Beclin1 \u00e9s az LC3-II\/LC3-I feh\u00e9rj\u00e9k relat\u00edv expresszi\u00f3s szintj\u00e9t, \u00e9s felfel\u00e9 szab\u00e1lyozni a P-mTOR\/mTOR \u00e9s a p62 feh\u00e9rj\u00e9k expresszi\u00f3s szintj\u00e9t. Ezenk\u00edv\u00fcl transzmisszi\u00f3s elektronmikroszk\u00f3pi\u00e1val \u00e9s MDC-m\u00f3dszerrel meger\u0151s\u00edtett\u00e9k, hogy az NMN k\u00e9pes cs\u00f6kkenteni az autof\u00e1gosz\u00f3m\u00e1k \u00e9s autoliszosz\u00f3m\u00e1k sz\u00e1m\u00e1t \u00e9s intenzit\u00e1s\u00e1t az OGD PC12 sejtekben. A fentiek azt jelzik, hogy az NMN k\u00e9pes g\u00e1tolni az OGD \u00e1ltal induk\u00e1lt autof\u00e1gi\u00e1t a PC12 sejtekben.<br \/>\n\u00d6sszefoglalva, ez arra utal, hogy egy bizonyos d\u00f3zis\u00fa NMN ellens\u00falyozni tudja az OGD \u00e1ltal induk\u00e1lt autof\u00e1gikus k\u00e1rosod\u00e1st a PC12 sejtekben, ez\u00e1ltal sejtv\u00e9d\u0151 hat\u00e1st fejt ki, \u00e9s ez a v\u00e9d\u0151hat\u00e1s az mTOR-ral kapcsolatos \u00fatvonalakhoz kapcsol\u00f3dhat. Ez a tanulm\u00e1ny bizonyos c\u00e9lreferenci\u00e1t ny\u00fajthat az OGD \u00e1ltal induk\u00e1lt autof\u00e1gikus k\u00e1rosod\u00e1s NMN \u00e1ltali megel\u0151z\u00e9s\u00e9hez \u00e9s kezel\u00e9s\u00e9hez, \u00e9s laborat\u00f3riumi adatokat halmozhat fel a term\u00e9szetes vegy\u00fclet NMN fejleszt\u00e9s\u00e9hez.<\/p>","protected":false},"excerpt":{"rendered":"<p>Ischemic cerebrovascular disease includes two types: transient ischemic stroke and cerebral infarction. Among them, cerebral infarction is named as ischemic stroke (IS) in traditional Chinese medicine diagnosis, which is a disease caused by various reasons leading to local blood supply disorders in brain tissue regions, resulting in ischemic and hypoxic lesions and necrosis of brain [&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>The effect of \u03b2 - nicotinamide mononucleotide on autophagy in oxygen glucose deprived PC12 cells - 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\/\u03b2-nicotinamide-mononucleotide\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The effect of \u03b2 - nicotinamide mononucleotide on autophagy in oxygen glucose deprived PC12 cells - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Ischemic cerebrovascular disease includes two types: transient ischemic stroke and cerebral infarction. 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