FIMICS: A panel of long noncoding RNAs for cardiovascular conditions

Area of Science:

• Molecular Biology
• Cardiology
• Genomics

Background:

• Cardiovascular disorders, including heart failure, are major causes of mortality globally.
• Identifying novel biomarkers is crucial for stratifying patients and improving the management of complex cardiovascular diseases.
• Long-noncoding RNAs (lncRNAs) are tissue-specific molecules with potential as disease biomarkers.

Purpose of the Study:

• To identify cardiac-enriched long-noncoding RNAs (lncRNAs) as potential biomarkers for cardiovascular conditions.
• To establish a panel of lncRNAs for diagnosing and monitoring heart diseases.

Main Methods:

• Deep RNA sequencing and quantitative PCR were used to identify differentially expressed lncRNAs in failing versus non-failing hearts.
• An independent dataset was utilized to confirm lncRNA enrichment in normal heart tissue.
• The expression of identified lncRNAs in blood samples was analyzed.

Main Results:

• A panel of 2906 lncRNAs, termed FIMICS (Failing heart-Induced Cardiac-Specific lncRNAs), was identified.
• FIMICS lncRNAs were found to be either cardiac-enriched or differentially expressed in failing hearts.
• lncRNA expression in blood samples successfully differentiated patients with myocarditis and acute myocardial infarction.

Conclusions:

• The FIMICS panel represents a novel set of biomarkers for cardiovascular pathologies.
• This panel can provide insights for the diagnosis, monitoring, and prognosis of heart conditions.
• The FIMICS panel offers a readily available tool for advancing cardiovascular disease management.