Oligonucleotide Microarray Analysis of Age-Related Gene Expression Profiles in Miniature Pigs
2011

Age-Related Gene Expression in Miniature Pigs

Sample size: 10 publication 10 minutes Evidence: moderate

Author Information

Author(s): Takahashi Junko, Misawa Masaki, Iwahashi Hitoshi

Primary Institution: National Institute of Advanced Industrial Science and Technology, Japan

Hypothesis

This study aims to evaluate the age-related gene expression characteristics in miniature pigs using whole blood microarray analysis.

Conclusion

The study found that gene expression in miniature pigs increases with age, stabilizing after 20 weeks.

Supporting Evidence

  • The number of expressed genes increased with age, with significant differences noted between fetal stage and older age groups.
  • Gene expression variation was greater in younger subjects but decreased with age.
  • Correlation coefficients for gene expression were higher among individuals of the same age compared to those of different ages.

Takeaway

As miniature pigs grow older, their genes start to express more, and by 20 weeks, they become more similar to each other.

Methodology

Whole blood microarray analyses were conducted on specific pathogen-free Clawn miniature pigs to evaluate gene expression variations by age.

Limitations

The study did not analyze hematological data from the fetal stage due to insufficient blood samples.

Participant Demographics

The study involved 5 male and 5 female Clawn miniature pigs aged 12 weeks.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1371/journal.pone.0019761

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