Differences in Liver Cirrhosis Caused by Alcohol and Hepatitis C Virus
Author Information
Author(s): Lederer Sharon L, Walters Kathie-Anne, Proll Sean, Paeper Bryan, Robinzon Shahar, Boix Loreto, Fausto Nelson, Bruix Jordi, Katze Michael G
Primary Institution: Department of Microbiology, University of Washington, Seattle, WA, USA
Hypothesis
What are the molecular differences between alcohol-induced and hepatitis C virus-induced liver cirrhosis?
Conclusion
Gene expression patterns can differentiate stages of liver cirrhosis in alcohol-induced disease, but not in hepatitis C virus-induced disease.
Supporting Evidence
- Global gene expression patterns varied significantly depending upon the etiology of liver disease.
- More differentially regulated genes were found in HCV-infected patients compared to those with alcohol-induced cirrhosis.
- Gene expression changes in cirrhotic livers are more numerous in HCV-infected livers compared to alcohol-induced diseased livers.
- Stages of liver cirrhosis could be differentiated based on gene expression patterns in ethanol-induced disease.
Takeaway
This study looked at liver samples from people with cirrhosis caused by alcohol or hepatitis C and found that the way genes are expressed is different depending on the cause.
Methodology
Global transcriptional profiling using oligonucleotide microarrays on liver biopsies from patients with cirrhosis.
Potential Biases
Potential bias due to the small number of samples and specific patient demographics.
Limitations
Small sample size limits the ability to generalize findings.
Participant Demographics
7 alcoholic and 8 HCV-infected patients, with varying ages and cirrhosis severity.
Statistical Information
P-Value
p ≤ 0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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