Quantitative Evaluation of DNA Methylation Patterns for ALVE and TVB Genes in a Neoplastic Disease Susceptible and Resistant Chicken Model
2008

DNA Methylation Patterns in Chickens and Their Relation to Neoplastic Disease Resistance

Sample size: 10 publication 10 minutes Evidence: high

Author Information

Author(s): Yu Ying, Huanmin Zhang, Fei Tian, Larry Bacon, Yuan Zhang, Wensheng Zhang, Jiuzhou Song

Primary Institution: Department of Animal & Avian Sciences, University of Maryland, College Park, Maryland, United States of America

Hypothesis

The methylation status of ALVE and TVB genes are associated with resistance and susceptibility to neoplastic disease.

Conclusion

The study found that hypermethylation patterns of ALVE may contribute to resistance against tumors induced by avian leukosis virus in chickens.

Supporting Evidence

  • Significant CpG hypermethylation levels were observed in line 72 across all tissues.
  • RNA expressions of ALVE regions were significantly higher in line 63 than in line 72.
  • The methylation level of the promoter region in the TVB was significantly different in blood and hypothalamus.

Takeaway

This study looked at how certain genes in chickens are turned on or off by a process called methylation, which can affect whether they get sick from tumors.

Methodology

DNA methylation patterns were analyzed using pyrosequencing methods in four tissues: liver, spleen, blood, and hypothalamus.

Participant Demographics

Chickens from two inbred lines (line 63 and line 72) selected for resistance and susceptibility to tumors.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1371/journal.pone.0001731

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