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003 EG-GiCUC
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008 200223s2020 ua dh f m 000 0 eng d
040 _aEG-GiCUC
_beng
_cEG-GiCUC
041 0 _aeng
049 _aDeposite
097 _aM.Sc
099 _aCai01.08.09.M.Sc.2020.Ay.P
100 0 _aAya Hamada Mohamed Shoeib
245 1 0 _aPossible hepatoprotective effects of lycopene and colesevelam against ethinylestradiol-induced cholestasis in rats /
_cAya Hamada Mohamed Shoeib ; Supervised Helmy Moawad Sayed Ahmed , Hanan Amin Rizk , Walaa Wadie Ibrahim
246 1 5 _aالفاعليات الوقائية المحتملة للكبد لليكوبين والكوليسيفلام ضد توقف العصارة الصفراوية المستحدث بالايثنيل استراديول فى الجرذان
260 _aCairo :
_bAya Hamada Mohamed Shoeib ,
_c2020
300 _a106 P. :
_bcharts , facsimiles ;
_c25cm
502 _aThesis (M.Sc.) - Cairo University - Faculty of Pharmacy - Department of Pharmacology and Toxicology
520 _aEstrogen-induced cholestasis is a pathological condition characterized by impaired bile flow and the accumulation of bile acids in the plasma of susceptible women, either after estrogen administration or in pregnancy. Experimental cholestasis induced by estrogen administration to rodents, mainly 17Ü-ethinylestradiol (EE), causes liver injury through mechanisms including oxidative stress and structural or functional damage of the hepatocyte membrane, due to the detergent properties of bile acids. The present study focused on the elucidation of the potential protective effects of lycopene and colesevalm against estradiol induced cholestasis. Useful effects of antioxidants in cholestasis have been reported in several experimental models. Being a natural antioxidant carotenoid, lycopene is suggested to be one of the most powerful antioxidants. Colesevelam is a bile acid sequestrant, which interrupt the enterohepatic circulation of bile acids by binding with them in the intestine to form an insoluble complex that is excreted in the feces. Silymarin was used as a standard reference hepatoprotective agent. Estradiol administrated subcutaneously (5mg/kg) for 18 days to male rats, caused significant increases in total bile acid (TBA), serum alanine aminotranferase (ALT), aspartate aminotrasnferase (AST),alkaline phosphatase (ALP), gamma glutamyle transferase (GGT), total bilirubin (T.Bil), liver contents of malondialdehyde (MDA), hepatic tumor necrosis factor (TNF)-Ü and myeloperoxidase (MPO) in liver tissue as compared with the control group while significantly decreased total protein ,albumin and reduced glutathione (GSH) content
530 _aIssued also as CD
653 4 _aAntioxidant
653 4 _aCholestasis
653 4 _aEthinylestradiol
700 0 _aHanan Amin Rizk ,
_eSupervisor
700 0 _aHelmy Moawad Sayed Ahmed ,
_eSupervisor
700 0 _aWalaa Wadie Ibrahim ,
_eSupervisor
856 _uhttp://172.23.153.220/th.pdf
905 _aNazla
_eRevisor
905 _aShimaa
_eCataloger
942 _2ddc
_cTH
999 _c76762
_d76762