Isovitexin;Saponaretin;Homovitexin CAS No.. 29702-25-8
Alaye pataki
[orukọ Kannada]: isovitexin
[inagijẹ Kannada]: isovitexin
[Orukọ Gẹẹsi]: isovitexin
[Gẹẹsi ni inagijẹ]:
6- ( β- D-Glucopyranosyl) -5,7-dihydroxy-2- (4-hydroxyphenyl) -4H-1-benzopyran-4-ọkan
[CAS wiwọle No.]: 29702-25-8
[Molikula agbekalẹ]: c21h20o10
[molikula àdánù]: 432.38
[orisun]: Ficus microphylla leaves
[ohun-ini]: ofeefee gbẹ lulú
[ọna ipamọ]: - 4 ° C, yago fun ina ati ki o gbẹ
[Awọn iṣọra]: Ọja yii yẹ ki o tọju kuro ni ina, gbẹ ati iwọn otutu Yago fun ibajẹ ọja ti o ṣẹlẹ nipasẹ ọrinrin ati oorun
[Ọna ipinnu akoonu]: iwe C18 (150mm) × 4.6mm, 5 μ m) Ipele alagbeka jẹ acetonitrile omi acetic acid (22: 78: 1), oṣuwọn sisan jẹ 1.0ml / min, ati igbi wiwa jẹ 270nm.
[lilo elegbogi]: agbo antitumor
[awọn ohun-ini elegbogi] aaye yo: 228 ℃.Yiyi opitika [α] D-7.9 ° (ojutu olomi pyridine).Insoluble ni omi tutu, die-die tiotuka ninu omi gbona ati ethanol.
Iṣẹ iṣe ti Isovitexin
Àfojúsùn:JNK1 jnk2 NF- κ B
Iwadi inu vitro:isovitexin ṣe idilọwọ awọn ibajẹ oxidative ti LPS nipasẹ didi iṣelọpọ ti ROS intracellular, ati tun ṣe irẹwẹsi ipa ti H2O2 lori ṣiṣeeṣe sẹẹli.Ni LPS (2 μ Isovitexin (0-100 g / ml) μ G / ml) ko ni cytotoxicity si awọn sẹẹli 264.7 aise, ṣugbọn 200 μ G / ml isovitexin ṣe afihan cytotoxicity pataki.Isovitexin (25,50) μ G / milimita) idinamọ LPS ti o fa TNF-a, Awọn ipele ti o pọ si ti IL-6, iNOS ati COX-2.Isovitexin (25,50) μ G / milimita) tun ṣe idiwọ I ni awọn sẹẹli 264.7 aise κ B α Phosphorylation ati ibajẹ, eyiti o ni ibamu pẹlu ipa ti JNK1 / 2 inhibitor [1].
Ni awọn ẹkọ vivo:isovitexin (50 ati 100 miligiramu / kg, IP) fa awọn ayipada histopathological ti o kere si ni awọn apakan ẹdọfóró ati dinku nọmba awọn sẹẹli iredodo ninu awọn eku ti o fa LPS.Heteroeosinophils (50 ati 100 mg / kg, IP) dinku TNF nipasẹ- α Ati iṣelọpọ IL-6, iṣelọpọ ROS, MPO ati akoonu MDA, pọ si SOD ati GSH, ati idilọwọ iredodo LPS ati aapọn oxidative ni LPS fa awọn eku Ali.Ati ni imunadoko ni imunadoko ikosile amuaradagba ti iNOS ati COX-2 [1].Isovitexin (25,50, 100 mg / kg) dinku oṣuwọn iwalaaye ti LPS / D-gal induced ẹdọ ipalara ninu awọn eku ni ọna ti o gbẹkẹle iwọn lilo.Isovitexin tun ṣe idiwọ NF-κ B ati si oke ṣe ilana LPS / D-gal induced Nrf2 ati HO-1 ninu awọn eku [2].
Idanwo sẹẹli:ṣiṣeeṣe sẹẹli jẹ ipinnu nipasẹ idanwo MTT.Awọn sẹẹli 264.7 Raw ti wa ni inoculated lori 96 daradara farahan (1) × 104 awọn sẹẹli / daradara) ati pẹlu ọpọlọpọ awọn ifọkansi ti isovitexin (ifojusi ikẹhin: 0-200) μ G / ml) ati LPS (2 μ G / ml) fun awọn wakati 24.Ni afikun, lilo IV (25 tabi 50 μG / milimita) ti ṣe itọju awọn sẹẹli fun wakati kan, lẹhinna H 2O 2 (300) ti ṣafikun μM). awọn sẹẹli ati lẹhinna ṣanwo fun wakati mẹrin [1].
Idanwo ẹranko:eku [1] lati le fi idi awoṣe Ali mulẹ, awọn eku pin laileto si awọn ẹgbẹ 6: iṣakoso (iyọ), isovitexin nikan (100 mg / kg, tituka ni 0.5% DMSO), LPS nikan (0.5 mg / kg, tituka ni iyọ. LPS (0.5 mg / kg) + isovitexin (50 tabi 100 mg / kg) ati LPS (0.5 mg / kg) + dexamethasone (DEX, 5 mg / kg, tituka ni iyọ).Isovitexin tabi DEX (5 mg / kg) isovitexin ni a ṣakoso.Lẹhin ifihan si isovitexin tabi DEX fun wakati 1, awọn eku ti wa ni anesthetized pẹlu ether ati LPS ti a nṣakoso ni intranasally (ni) lati fa ipalara ẹdọfóró.Awọn ẹranko naa jẹ euthanized 12 wakati lẹhin iṣakoso LPS.Nitorina, omi-ara lavage bronchoalveolar (BALF) ati awọn ayẹwo ti ẹdọfóró ni a kórè lati wiwọn awọn ipele cytokine;ROS iran;SOD, GSH, MDA ati MPO akitiyan;Ati ikosile ti COX-2, iNOS, HO-1 ati awọn ọlọjẹ Nrf2 [1].