Effect of GLP-1RA Treatment on Adhesion Molecules and Monocyte Chemoattractant Protein-1 in Diabetic Patients with Atherosclerosis
Related Experiment Video
Updated: Jun 22, 2025

Quantification of Monocyte Transmigration and Foam Cell Formation from Individuals with Chronic Inflammatory Conditions
Published on: October 17, 2017
Marcin Hachuła1, Marcin Basiak1, Michał Kosowski1
1Department of Internal Medicine and Clinical Pharmacology, Medical University of Silesia, Medyków 18, 40-752 Katowice, Poland.
Insights
Glucagon-like peptide 1 receptor agonists (GLP-1RAs) reduced key molecules (MCP-1, L-selectin) linked to monocyte recruitment in diabetes patients with atherosclerosis. This suggests a mechanism for GLP-1RA cardiovascular risk reduction.
Area of Science:
- Cardiology
- Endocrinology
- Pharmacology
Background:
- Cardiovascular disease (CVD) is a leading cause of death, with atherosclerosis as a primary driver.
- Diabetes mellitus exacerbates atherogenesis, partly through monocyte recruitment to the arterial intima.
- Glucagon-like peptide 1 receptor agonists (GLP-1RAs) show promise in reducing cardiovascular risk for diabetic patients.
Purpose of the Study:
- To investigate the effects of GLP-1RA treatment on serum levels of monocyte chemoattractant protein-1 (MCP-1), intercellular adhesion molecule-1 (ICAM-1), and L-selectin in diabetic patients with atherosclerotic plaque.
- To explore potential mechanisms by which GLP-1RAs may reduce cardiovascular risk in this population.
Main Methods:
- An interventional study involving 50 diabetes patients with atherosclerotic plaque treated with GLP-1RA for 180 days.
- Measurement of serum MCP-1, ICAM-1, and L-selectin concentrations before and after treatment.
- Assessment of anthropometric, glycemic, blood pressure, and biochemical parameters.
Main Results:
- GLP-1RA treatment significantly improved anthropometric, glycemic, and blood pressure control, alongside liver steatosis markers.
- Baseline levels of MCP-1, ICAM-1, and L-selectin were elevated in patients with atherosclerotic plaque compared to controls.
- Post-treatment, MCP-1 and L-selectin levels significantly decreased (p < 0.001), while ICAM-1 levels significantly increased (p < 0.001).
Conclusions:
- GLP-1RA treatment induces favorable changes in serum molecules involved in monocyte recruitment in diabetic patients with atherosclerosis.
- The observed reduction in MCP-1 and L-selectin suggests a potential mechanism for GLP-1RA's cardiovascular benefits.
- Further research is needed to fully elucidate the clinical implications of these findings.
Abstract:
Cardiovascular disease (CVD) remains a prominent cause of global mortality, primarily driven by atherosclerosis. Diabetes mellitus, as a modifiable risk factor, significantly contributes to atherogenesis. Monocyte recruitment to the intima is a critical step in atherosclerotic plaque formation, involving chemokines and adhesion molecules such as selectins, ICAM-1, and MCP-1. Glucagon-like peptide 1 receptor agonists (GLP-1RAs) are a promising group of drugs for reducing cardiovascular risk in diabetic patients, prompting investigation into their mechanisms of action. This interventional study enrolled 50 diabetes patients with atherosclerotic plaque, administering GLP-1RA for 180 days. Serum concentrations of MCP-1, ICAM-1, and L-selectin were measured before and after treatment. Anthropometric and biochemical parameters were also assessed. GLP-1RA treatment resulted in significant improvements in anthropometric parameters, glycemic control, blood pressure, and biochemical markers of liver steatosis. Biomarker laboratory analysis revealed higher baseline levels of MCP-1, ICAM-1, and L-selectin in diabetic patients with atherosclerotic plaque compared to healthy controls. Following treatment, MCP-1 and L-selectin levels decreased significantly (p < 0.001), while ICAM-1 levels increased (p < 0.001). GLP-1RA treatment in diabetic patients with atherosclerotic plaque leads to favorable changes in serum molecule levels associated with monocyte recruitment to the endothelium. The observed reduction in MCP-1 and L-selectin suggests a potential mechanism underlying GLP-1RA-mediated cardiovascular risk reduction. Further research is warranted to elucidate the precise mechanisms and clinical implications of these findings in diabetic patients with atherosclerosis.
Related Concept Videos
Glucagon-like Receptor Agonists
GLP-1, when administered in high doses intravenously, triggers insulin secretion, inhibits glucagon release, slows gastric emptying, reduces food intake, and restores normal insulin secretion. However, its rapid inactivation by...
Dipeptidyl Peptidase 4 Inhibitors
Oral Hypoglycemic Agents: Biguanides and Glitazones

