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Updated: Jun 22, 2026
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Use of Alu Element Containing Minigenes to Analyze Circular RNAs
Published on: March 10, 2020
Circular RNAs: Isolation, characterization and their potential role in diseases
Lumei Liu1,2, Jian Wang3, Ramin Khanabdali4
1a Department of Geriatrics , Shanghai Institute of Geriatrics, Huadong Hospital, Fudan University , Shanghai , China.
RNA Biology
|August 19, 2017
Summary
Circular RNAs (circRNAs) are stable non-coding RNA molecules found in cells. These molecules regulate gene expression and show potential as biomarkers for diagnosing diseases.
Area of Science:
- Molecular Biology
- Genetics
- Biochemistry
Background:
- Circular RNAs (circRNAs) are a distinct class of non-coding RNA molecules derived from alternative splicing.
- They are prevalent in eukaryotic cytoplasm, exhibiting unique organizational, temporal, and disease-specific characteristics.
- Unlike linear RNA, circRNAs possess inherent resistance to RNA exonuclease, leading to enhanced stability and prolonged cellular presence.
Purpose of the Study:
- To elucidate the regulatory roles and potential applications of circular RNAs (circRNAs).
- To explore the mechanisms underlying circRNA stability and their interaction with microRNAs (miRNAs).
- To investigate the diagnostic potential of circRNAs in various diseases.
Main Methods:
- Analysis of circRNA biogenesis and stability mechanisms.
- Investigation of circRNA-miRNA interactions and their functional consequences.
- Exploration of circRNA expression patterns in disease contexts.
Main Results:
- CircRNAs are resistant to degradation, contributing to their stability.
- CircRNAs can be degraded by miRNAs, leading to linearization and acting as endogenous RNA competitors.
- CircRNA-miRNA interactions play a crucial regulatory role in specific diseases.
Conclusions:
- CircRNAs are stable regulatory molecules with significant roles in cellular processes.
- Their interactions with miRNAs highlight their involvement in disease pathogenesis.
- CircRNAs present promising opportunities as novel biomarkers for clinical diagnostics.
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