MicroRNAs in peripheral artery disease: potential biomarkers and pathophysiological mechanisms

Andrew Ring1, Ahmed Ismaeel1, Marissa Wechsler2

  • 1Department of Biology, Baylor University, Waco, TX, USA.

Insights

Peripheral artery disease (PAD) research highlights microRNAs (miRNAs) as key players. Misregulated miRNAs in PAD patients show promise as diagnostic biomarkers and potential therapeutic targets.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Genetics

Background:

  • Peripheral artery disease (PAD) is a widespread condition affecting lower extremities, characterized by atherosclerosis.
  • Current diagnostic and treatment options for PAD are insufficient, posing a significant global health burden.

Purpose of the Study:

  • To investigate the role of microRNAs (miRNAs) in the pathophysiology of PAD.
  • To explore the potential of miRNAs as diagnostic biomarkers and therapeutic targets for PAD.

Main Methods:

  • Analysis of miRNA expression profiles in PAD patients.
  • Review of existing literature on miRNA involvement in PAD-related processes.

Main Results:

  • MicroRNAs (miRNAs) are identified as critical regulators in PAD.
  • Misregulation of specific miRNAs is observed in PAD patients, indicating their potential as biomarkers.
  • miRNAs are implicated in key PAD mechanisms like angiogenesis, hypoxia, and inflammation.

Conclusions:

  • MicroRNAs represent a novel class of biomarkers for PAD diagnosis.
  • Targeting miRNAs offers a promising avenue for developing new PAD treatments.
  • Further research into miRNA function in PAD can advance diagnostic and therapeutic strategies.

Related Concept Videos

Peripheral Artery Disease I: Introduction01:30

Peripheral Artery Disease I: Introduction

Peripheral artery disease (PAD) predominantly results from atherosclerosis, which involves the accumulation of fatty deposits, or plaques, within the walls of arteries. This causes them to narrow and harden, significantly reducing blood flow. PAD predominantly affects the legs, particularly the arteries supplying the thighs and calves. In rare cases, it may involve other arteries, including those in the arms.Etiology of PAD:The principal cause of PAD is atherosclerosis, which results from fatty...
41
Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation01:21

Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation

Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
42
Atherosclerosis II: Clinical Manifestations and Diagnostic Tests01:27

Atherosclerosis II: Clinical Manifestations and Diagnostic Tests

Atherosclerosis is a progressive disorder that leads to the thickening and narrowing of arterial walls due to plaque buildup. This condition can cause various symptoms depending on the arteries affected:Coronary Artery Disease (CAD): This condition affects the coronary arteries and may lead to chest pain (angina), shortness of breath (dyspnea), heart attacks, and other heart disease symptoms.Cerebrovascular Disease: This affects blood flow to the brain, causing transient ischemic attacks (TIAs)...
54
Coronary Artery Disease I: Introduction01:30

Coronary Artery Disease I: Introduction

Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...
74
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers

Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
230
Coronary Artery Disease II: Pathophysiology01:26

Coronary Artery Disease II: Pathophysiology

Coronary Artery Disease (CAD) originates from a series of events that impair the function of coronary arteries, the blood vessels responsible for delivering oxygen-rich blood to the heart muscle. The pathophysiology of CAD is closely linked to atherosclerosis, a chronic inflammatory and lipid-driven condition affecting the vascular endothelium.1. Endothelial DamageThe process begins with damage to the vascular endothelium, which serves as a protective barrier between the blood and the vessel...
50