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Absence of Correlation between Chimeric RNA and Aging.
Reyna Huang1, Shailesh Kumar2,3, Hui Li4,5
1Department of Pathology, School of Medicine, University of Virginia, Charlottesville, VA 22908, USA. rlh3xt@virginia.edu.
Genes
|December 15, 2017
Summary
Chimeric RNAs are not more abundant in older individuals, contrary to common assumptions. This study found no significant age-related trends in chimeric RNA expression levels in blood samples.
Area of Science:
- Molecular Biology
- Genetics
- Aging Research
Background:
- Chimeric RNAs occur in normal physiology, not just cancer.
- Aging involves molecular deregulation, leading to assumptions of increased chimeric RNAs in older individuals.
Purpose of the Study:
- To investigate age-based expression trends of chimeric RNAs in blood samples.
- To determine if chimeric RNAs are more abundant in older populations.
Main Methods:
- Bioinformatic analysis to generate a chimeric RNA candidate list.
- Amplification and sequencing of five novel chimeric RNAs.
- Quantitative PCR to analyze expression levels in relation to age.
Main Results:
- Initial bioinformatic analysis suggested potential age-based trends.
- Small sample sizes showed weak trends, but larger sample analyses revealed no significant relationship between chimeric RNA levels and age.
- Five novel chimeric RNAs were successfully identified and sequenced.
Conclusions:
- Chimeric RNAs as a group are not universally higher in older individuals.
- The relationship between chimeric RNAs and aging is complex and requires further investigation.
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