Danazol induced cholestasis: pathogenetic hypothesis. 1997

M Malaguarnera, and N Santangelo, and M Motta, and G Pistone
Institute of Internal Medicine and Geriatrics, University of Catania, Italy.

Numerous mechanisms have been proposed to account for deficient bilirubin excretion and the pathogenesis of estrogen and steroid (danazol) induced intrahepatic cholestasis. Our hypothesis is based on the fact that danazol is administered in the treatment of pulmonary emphysema because it stimulates synthesis of alpha-1 antitrypsin and that other estrogen glucuro-conjugated metabolites are P-glycoprotein substrates. We believe that genetic alterations of alpha-1 antitrypsin and P-glycoprotein, either alone or in association with known pathogenetic mechanisms, may explain the onset of danazol induced cholestasis and justify the difference in its varying duration and intensity.

UI MeSH Term Description Entries
D002780 Cholestasis, Intrahepatic Impairment of bile flow due to injury to the HEPATOCYTES; BILE CANALICULI; or the intrahepatic bile ducts (BILE DUCTS, INTRAHEPATIC). Bile Duct Obstruction, Intrahepatic,Biliary Stasis, Intrahepatic,Intrahepatic Cholestasis,Biliary Stases, Intrahepatic,Cholestases, Intrahepatic,Intrahepatic Biliary Stases,Intrahepatic Biliary Stasis,Intrahepatic Cholestases
D003613 Danazol A synthetic steroid with antigonadotropic and anti-estrogenic activities that acts as an anterior pituitary suppressant by inhibiting the pituitary output of gonadotropins. It possesses some androgenic properties. Danazol has been used in the treatment of endometriosis and some benign breast disorders. Azol,Cyclomen,Danatrol,Danazant,Danazol-Ratiopharm,Danocrine,Danol,Danoval,Ladogal,Norciden,Panacrine,Danazol Ratiopharm
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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