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Effects of coffee consumption in chronic hepatitis C: A randomized controlled trial.
MedLine Citation:
PMID:  23238034     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: Coffee is associated with a reduced risk of hepatocellular carcinoma in patients with chronic C hepatitis. This prospective trial was aimed at assessing the mechanisms underlying coffee-related protective effects. METHODS: Forty patients with chronic hepatitis C were randomized into two groups: the first consumed 4 cups of coffee/day for 30 days, while the second remained coffee "abstinent". At day 30, the groups were switched over for a second month. RESULTS: At baseline, aspartate aminotransferase and alanine aminotransferase were lower in patients drinking 3-5 (Group B) than 0-2 cups/day (Group A) (56±6 vs 74±11/60±3 vs 73±7U/L p=0.05/p=0.04, respectively). HCV-RNA levels were significantly higher in Group B [(6.2±1.5)×10(5)vs (3.9±1.0)×10(5)UI/mL, p=0.05]. During coffee intake, 8-hydroxydeoxyguanosine and collagen levels were significantly lower than during abstinence (15±3 vs 44±16 8-hydroxydeoxyguanosine/10(5)deoxyguanosine, p=0.05 and 56±9 vs 86±21ng/mL, p=0.04). Telomere length was significantly higher in patients during coffee intake (0.68±0.06 vs 0.48±0.04 Arbitrary Units, p=0.006). Telomere length and 8-hydroxydeoxyguanosine were inversely correlated. CONCLUSION: In chronic hepatitis C coffee consumption induces a reduction in oxidative damage, correlated with increased telomere length and apoptosis, with lower collagen synthesis, factors that probably mediate the protection exerted by coffee with respect to disease progression.
Authors:
Romilda Cardin; Marika Piciocchi; Diego Martines; Laura Scribano; Marino Petracco; Fabio Farinati
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-10
Journal Detail:
Title:  Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver     Volume:  -     ISSN:  1878-3562     ISO Abbreviation:  Dig Liver Dis     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100958385     Medline TA:  Dig Liver Dis     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012. Published by Elsevier Ltd.
Affiliation:
Department of Surgical, Oncological and Gastroenterological Sciences, Section of Gastroenterology, Padua University, Italy.
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