Characterization of Serum Proteins Associated with IL28B Genotype among Patients with Chronic Hepatitis C
2011

Serum Proteins Linked to IL28B Genotype in Chronic Hepatitis C Patients

Sample size: 41 publication Evidence: moderate

Author Information

Author(s): Cyr Derek D., Lucas Joseph E., Thompson J. Will, Patel Keyur, Clark Paul J., Thompson Alexander, Tillmann Hans L., McHutchison John G., Moseley M. Arthur, McCarthy Jeanette J.

Primary Institution: Duke University Medical Center

Hypothesis

How does the IL28B genotype affect serum protein levels in chronic hepatitis C patients?

Conclusion

The IL28B polymorphism is associated with lower serum levels of corticosteroid binding globulin, but does not mediate treatment response.

Supporting Evidence

  • The IL28B treatment response genotype was significantly associated with lower serum levels of corticosteroid binding globulin.
  • CBG metaprotein was associated with treatment response, but this association was attenuated when both IL28B genotype and CBG were included in the model.
  • 41 patients with chronic hepatitis C were analyzed for the study.

Takeaway

This study looked at how a specific gene affects proteins in the blood of people with hepatitis C, finding that one protein is linked to a gene that helps predict treatment success.

Methodology

Patients were genotyped for IL28B and proteomic profiles were generated using LC-MS/MS analysis.

Potential Biases

Potential biases may arise from the small sample size and the specific population studied.

Limitations

The study was based on a relatively small number of patients, which may limit the generalizability of the findings.

Participant Demographics

The cohort included 41 patients, predominantly Caucasian (78%), male (61%), with a mean age of 47.4 years.

Statistical Information

P-Value

9.2×10−6

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0021854

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication