Related Experiment Video

Updated: May 24, 2026

Quantitative Analysis and Characterization of Atherosclerotic Lesions in the Murine Aortic Sinus
06:43

Quantitative Analysis and Characterization of Atherosclerotic Lesions in the Murine Aortic Sinus

Published on: December 7, 2013

Crosstalk between macrophages and smooth muscle cells in atherosclerotic vascular diseases

Jun-ichiro Koga1, Masanori Aikawa

  • 1The Center for Excellence in Vascular Biology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.

Vascular Pharmacology
|March 10, 2012
PubMed

Insights

Macrophages and smooth muscle cells (SMCs) are key in atherosclerosis. Understanding their interaction offers new insights into vascular diseases and potential therapeutic targets.

Area of Science:

  • Cardiovascular Biology
  • Immunology
  • Cell Biology

Background:

  • Macrophages and smooth muscle cells (SMCs) are central to atherosclerotic vascular disease pathogenesis.
  • These cell types often exist in close proximity within atherosclerotic lesions.
  • Activated macrophages may drive pro-atherogenic behaviors in SMCs.

Purpose of the Study:

  • To investigate the interplay between macrophages and SMCs in atherosclerosis.
  • To explore macrophage-dependent mechanisms of SMC activation.
  • To identify novel therapeutic strategies for vascular diseases based on cell-cell interactions.

Main Methods:

  • Review of existing literature on macrophage-SMC interactions in atherosclerosis.
  • Analysis of recent findings on cell type plasticity (SMC-like cells from monocytes).
  • Discussion of potential experimental approaches to study this interplay.

Main Results:

  • Direct evidence for macrophage-SMC interplay in atherogenesis is limited.
  • SMC-derived macrophage foam cells are a known phenomenon.
  • Recent studies suggest monocytes can differentiate into SMC-like cells, indicating cellular plasticity.

Conclusions:

  • Further research is needed to elucidate the complex interactions between macrophages and SMCs in vascular disease.
  • Understanding these cellular dynamics may reveal new therapeutic targets for cardiovascular conditions.
  • This research could lead to novel paradigms in vascular medicine and pharmacology.

More Related Videos

Quantitative Analysis of Cellular Composition in Advanced Atherosclerotic Lesions of Smooth Muscle Cell Lineage-Tracing Mice09:06

Quantitative Analysis of Cellular Composition in Advanced Atherosclerotic Lesions of Smooth Muscle Cell Lineage-Tracing Mice

Published on: February 20, 2019

Related Concept Videos

Atherosclerosis I: Introduction01:30

Atherosclerosis I: Introduction

Atherosclerosis is a progressive disorder characterized by the buildup of plaques on the arterial inner wall, causing them to narrow and harden over time. These plaques comprise lipids, calcium, blood components, carbohydrates, and fibrous tissue. The process primarily affects the intima of large and medium-sized arteries, reducing blood flow in any artery.Etiology and risk factorsThe cause of atherosclerosis is multifactorial, involving a complex interplay among endothelial injury, lipid...
Inflammation01:38

Inflammation

Overview
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...
Chronic Inflammation: Introduction01:12

Chronic Inflammation: Introduction

Chronic inflammation is a prolonged, dysregulated immune response that persists for weeks to years when the inciting stimulus is difficult to eradicate or when self‑antigens drive ongoing reactivity. Morphologically, it is defined by mononuclear cell infiltration, progressive tissue destruction, and concurrent attempts at healing via angiogenesis and fibrosis. Compared with acute inflammation, edema is less prominent while cellular infiltration predominates; triggers include persistent...
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...
Atherosclerosis III: Management01:26

Atherosclerosis III: Management

Management of atherosclerosis involves an integrated strategy encompassing pharmacological treatment, surgical interventions, lifestyle changes, and nutrition therapy to address the multifactorial nature of the disease.Pharmacological TherapyA cornerstone of atherosclerosis management is the use of pharmacological agents. Statins, such as atorvastatin, are pivotal in inhibiting HMG-CoA reductase, an enzyme that catalyzes an initial step in cholesterol synthesis in the liver. This reduction in...