MicroRNA Profiles Linked to Coronary Artery Disease
Researchers have identified specific blood biomarkers that may help distinguish between types of heart vessel issues.
Updated on Sept. 23, 2026 in Heart Disease
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A research team has identified a distinct combination of three microRNAs in the blood associated with macrovascular coronary artery abnormalities in patients with chronic coronary syndrome. These findings suggest a potential new path for characterizing heart disease through simple blood analysis.
Why it matters
Currently, diagnosing the specific nature of coronary involvement can be challenging, but these biomarkers could eventually offer a less invasive way to distinguish between different types of vessel damage. This shift could help clinicians better tailor diagnostic approaches for patients experiencing chronic coronary symptoms.
A study published in the journal Atherosclerosis analyzed blood samples from patients with suspected chronic coronary syndrome to map microRNA profiles. The researchers identified a set of three microRNAs linked to macrovascular abnormalities, though the findings remain preliminary.
The players
Marta Molinero
A researcher who received a best poster award for her work on the relationship between blood biomarkers and coronary artery disease.
COSTE Action AtheroNET
An international research network dedicated to investigating the mechanisms and diagnosis of atherosclerosis and related vascular diseases.
ANFIBIO Project
A research initiative focused on investigating the connection between impaired coronary circulation and blood-based biomarkers.
The details
The research, conducted as part of the ANFIBIO project, focuses on how circulating microRNAs reflect underlying cardiovascular pathology. By comparing blood-based miRNA patterns against the presence of macrovascular versus microvascular coronary damage, the team sought to see if these molecules serve as reliable indicators of how blood vessels are specifically affected. This approach aims to move beyond standard imaging by utilizing molecular signatures to characterize the nature of coronary circulation impairment.
Timeline
May 12, 2026: The study was published online in the journal Atherosclerosis.
June 2026: The research appeared in the print edition of Atherosclerosis.
September 2026: Marta Molinero received a best poster award at the AtheroNET meeting in Prague.
Health Landscape
This research contributes to the growing field of liquid biopsies, which seek to supplement traditional imaging with molecular data. It aligns with the goals of the ANFIBIO project to refine how medical teams identify and distinguish between macrovascular and microvascular coronary disease.
These findings are currently limited to research settings and do not yet change existing diagnostic protocols for patients with coronary symptoms. If you are managing chronic coronary syndrome, keep discussing your current diagnostic imaging results with your cardiologist to understand your heart health.
The takeaway
Molecular blood testing may one day simplify the diagnosis of complex coronary artery conditions. For now, focus on established heart-healthy habits such as monitoring your blood pressure and cholesterol levels in consultation with your physician.
Further reading
Learn more about the latest innovations in Heart Disease management and diagnostics.
Source note: This article includes information reported by Biotech-spain.
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