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Published on: June 16, 2022
ANRIL in Cardiovascular Diseases: Expression, Mechanism and Therapeutic Implications
Hao Yang1, Ying Li2, Qiushuang Cai1
1Department of Pathophysiology, School of Medicine, Nantong University, 19 Qixiu Road, Nantong, Jiangsu, 226001, People's Republic of China.
Insights
Antisense Non-coding RNA in the INK4 Locus (ANRIL) is implicated in cardiovascular diseases (CVDs). This review details ANRIL
Area of Science:
- Genetics and Molecular Biology
- Cardiovascular Research
Background:
- Cardiovascular diseases (CVDs) are a major global health concern.
- Long non-coding RNAs (lncRNAs) play a role in cardiovascular pathophysiology.
- Antisense Non-coding RNA in the INK4 Locus (ANRIL) is linked to the 9p21 CVD-associated locus.
Purpose of the Study:
- To systematically review ANRIL dysregulation in seven major cardiovascular conditions.
- To elucidate ANRIL's isoform-specific mechanisms in disease progression.
- To explore ANRIL's potential role in cardiac hypertrophy.
Main Methods:
- Systematic review of existing literature on ANRIL and cardiovascular diseases.
- Analysis of ANRIL expression patterns and functional mechanisms.
- Integration of recent research findings on ANRIL's role in cardiovascular pathophysiology.
Main Results:
- ANRIL expression is dysregulated across seven major cardiovascular conditions.
- Distinct linear and circular ANRIL isoforms exhibit specific functional roles.
- Emerging evidence suggests ANRIL involvement in cardiac hypertrophy.
Conclusions:
- ANRIL is a significant factor in the pathogenesis of diverse cardiovascular disorders.
- ANRIL isoforms present distinct mechanisms contributing to disease progression.
- ANRIL holds potential as a therapeutic target and biomarker for CVDs.
Abstract:
Cardiovascular diseases (CVDs) remain a leading cause of global mortality, with pathogenesis driven by multifactorial processes including genetic susceptibility, metabolic dysregulation, angiogenesis, and inflammation. Long non-coding RNAs (lncRNAs) have been recognized as key modulators of gene expression in cardiovascular pathophysiology. Among them, the Antisense Non-coding RNA in the INK4 Locus (ANRIL)-mapping to the well-established CVD-associated chromosome 9p21 locus-has garnered substantial research interest. Initially identified in melanoma, ANRIL spans approximately 126.3 kb and comprises 19 exons, existing in both linear and circular isoforms with distinct functional profiles. This review systematically outlines the dysregulation of ANRIL expression across seven major cardiovascular conditions and elucidates the isoform-specific mechanisms through which it contributes to disease progression, integrating recent advances in this field. We further discuss emerging evidence suggesting a potential role of ANRIL in cardiac hypertrophy. In light of its involvement in diverse cardiovascular disorders, ANRIL represents a compelling candidate for therapeutic target and a promising biomarker, warranting further translational investigation.
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