Functional diversity of macrophages in vascular biology and disease

Inhye Park1, Christina Kassiteridi1, Claudia Monaco1

  • 1Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Roosevelt Drive, Headington, Oxford OX3 7FY, United Kingdom.

Vascular Pharmacology
|October 28, 2017
PubMed

Insights

Understanding macrophage subsets in atherosclerosis is key. Characterizing these immune cells could lead to new therapies for cardiovascular disease and other inflammatory conditions.

Area of Science:

  • Immunology
  • Vascular Biology
  • Cardiovascular Disease

Background:

  • Atherosclerosis is a chronic inflammatory disease and a leading cause of global mortality.
  • Immune activation, particularly by macrophages, is central to the development and resolution of atherosclerotic lesions.
  • Macrophages exhibit significant heterogeneity and versatile functions, crucial in vascular health and disease.

Purpose of the Study:

  • To characterize macrophage subsets involved in atherosclerosis.
  • To understand how pathological factors modulate macrophage activity.
  • To identify therapeutic targets for atherosclerosis by modulating macrophage function.

Main Methods:

  • The study focuses on characterizing macrophage subsets within atherosclerotic lesions.
  • It investigates the role of macrophages in both the progression and regression of inflammation.
  • The research aims to map the functional diversity of macrophages in vascular biology.

Main Results:

  • Macrophages play a critical, non-redundant role in the inflammatory processes of atherosclerosis.
  • The functional diversity of macrophages in vascular biology is not fully understood.
  • Targeting macrophages is a promising therapeutic strategy for various diseases, including atherosclerosis.

Conclusions:

  • Characterizing macrophage subsets in atherosclerosis is fundamental for developing effective clinical interventions.
  • Modulating pro-inflammatory macrophage subsets or enhancing inflammation resolution offers potential therapeutic avenues.
  • Understanding macrophage behavior is crucial for treating atherosclerosis and other inflammatory diseases.

Related Concept Videos

Inflammation01:38

Inflammation

Overview
62.6K
Overview of the Vascular System01:20

Overview of the Vascular System

The vascular system comprises an extensive network of arteries, capillaries, and veins. The vascular system can be broadly divided into the blood and lymphatic systems. Typically, blood vessels can be categorized into three histological regions: tunica intima, tunica media, and tunica adventitia. The tunica intima consists of a single layer of endothelial cells attached to the basal lamina. Underlying the basal lamina is a connective tissue layer and an elastic lamina that gives stability and...
3.6K
Inflammatory Response I: Vascular and Cellular01:30

Inflammatory Response I: Vascular and Cellular

The inflammatory response is the body's defense against infection, injury, or irritation from bacteria, trauma, toxins, or heat. Inflammation helps locate and destroy pathogens and remove damaged tissue elements to heal the body. During this initial phase, fluid, blood products, and nutrients migrate to the injured area, resulting in redness, heat, swelling, ache, and loss of function. Moreover, signs of systemic inflammation include fever, increased WBC count, malaise, anorexia, nausea,...
17.1K
Regulation of Angiogenesis and Blood Supply01:24

Regulation of Angiogenesis and Blood Supply

Rapidly dividing tumors, embryos, and wounded tissues require more oxygen than usual, lowering the oxygen concentration in the blood. At low oxygen or hypoxic conditions, an oxygen-sensitive transcription factor called the hypoxia-inducible factor 1 or HIF1 is activated. HIF1 is a dimeric protein of alpha (ɑ) and beta (β) subunits.  Under optimal oxygen conditions, HIF1β is present in the nucleus while HIF1ɑ remains in the cytosol. HIF1ɑ is hydroxylated by prolyl...
3.7K