Circulating MicroRNAs in Patients with Chronic Hepatitis C and Non-Alcoholic Fatty Liver Disease
2011

Circulating MicroRNAs in Chronic Hepatitis C and Non-Alcoholic Fatty Liver Disease

Sample size: 106 publication Evidence: high

Author Information

Author(s): Cermelli Silvia, Ruggieri Anna, Marrero Jorge A., Ioannou George N., Beretta Laura

Primary Institution: Fred Hutchinson Cancer Research Center

Hypothesis

This study examined whether circulating levels of specific microRNAs correlate with hepatic histological disease severity in patients with chronic hepatitis C infection or non-alcoholic fatty liver disease.

Conclusion

Serum levels of miR-34a and miR-122 may represent novel, noninvasive biomarkers of diagnosis and histological disease severity in patients with chronic hepatitis C or non-alcoholic fatty liver disease.

Supporting Evidence

  • Serum levels of miR-122 and miR-34a were significantly higher in chronic hepatitis C patients compared to healthy controls.
  • miR-122 and miR-34a levels positively correlated with disease severity in both chronic hepatitis C and non-alcoholic fatty liver disease patients.
  • The study used an in vitro model of hepatitis C virus infection to measure microRNA levels.

Takeaway

Doctors can use certain tiny molecules in the blood, called microRNAs, to help figure out how bad liver disease is in patients.

Methodology

The study measured serum levels of specific microRNAs in patients with chronic hepatitis C and non-alcoholic fatty liver disease and correlated these levels with disease severity.

Potential Biases

Potential bias in patient selection and the reliance on serum samples from repositories.

Limitations

The study was limited to specific patient cohorts and may not generalize to all populations with liver disease.

Participant Demographics

The study included 19 healthy controls, 18 chronic hepatitis C patients from one site, and 35 chronic hepatitis C patients from another site, along with 34 non-alcoholic fatty liver disease patients.

Statistical Information

P-Value

p<0.0001

Statistical Significance

p<0.0001

Digital Object Identifier (DOI)

10.1371/journal.pone.0023937

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