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Volume 40, Issue 2, Pages (February 2004)

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Presentation on theme: "Volume 40, Issue 2, Pages (February 2004)"— Presentation transcript:

1 Volume 40, Issue 2, Pages 198-202 (February 2004)
The unexpected outcomes of medical research: serendipity and the microsomal ethanol oxidizing systemIseri OA, Lieber CS, Gottlieb LS. The ultrastructure of fatty liver induced by prolonged ethanol ingestion[Am J Pathol 1966;48:535–555]  Charles S Lieber  Journal of Hepatology  Volume 40, Issue 2, Pages (February 2004) DOI: /j.jhep

2 Fig. 1 (A) Portion of a hepatocyte of rat fed ethanol-containing diet for 16 days. Large clusters of smooth endoplasmic reticulum (SER) are prominent. The Golgi apparatus (G) near the nucleus has many vesicles filled with pale granules, 17 200× [3]. (B) Rat fed sucrose control diet. Portion of a hepatocyte immediately adjacent to a central vein. It shows the usual prominent rough endoplasmic reticulum but the smooth endoplasmic reticulum is much less abundant than in Fig. 1A, 17 000× [3]. Journal of Hepatology  , DOI: ( /j.jhep )

3 Fig. 2 Ethanol oxidation by alcohol dehydrogenase (ADH) and NAD+ (A), hepatic microsomal ethanol-oxidizing system (MEOS) and NADPH (B), a combination of NADPH oxidase and catalase (C), and xanthine oxidase and catalase (D) [8]. Journal of Hepatology  , DOI: ( /j.jhep )

4 Fig. 3 Physiologic and toxic roles of CYP2E1, the main cytochrome P-450 of the microsomal ethanol oxidizing system (MEOS). Many endogenous and xenobiotic compounds, including ethanol, ketones and fatty acids, are substrates for CYP2E1 and induce its activity through various mechanisms (see text), resulting in an array of beneficial as well as harmful effects [36]. Journal of Hepatology  , DOI: ( /j.jhep )


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