Related Experiment Video

Updated: Jul 1, 2026

Differentiated Mouse Adipocytes in Primary Culture: A Model of Insulin Resistance
09:48

Differentiated Mouse Adipocytes in Primary Culture: A Model of Insulin Resistance

Published on: February 17, 2023

Insulin resistance and atherosclerosis

Babak Razani1, Manu V Chakravarthy, Clay F Semenkovich

  • 1Cardiovascular Division, Department of Medicine, Washington University School of Medicine, Campus Box 8127, 660 South Euclid Avenue, St. Louis, MO 63110, USA.

Endocrinology and Metabolism Clinics of North America
|September 9, 2008
PubMed

Insights

Insulin resistance, common in type 2 diabetes, increases cardiovascular death risk. Research explores molecular links between insulin resistance, inflammation, and atherosclerosis to improve patient outcomes.

Area of Science:

  • Endocrinology and Metabolism
  • Cardiovascular Research
  • Molecular Biology

Background:

  • Insulin resistance is a hallmark of type 2 diabetes and metabolic syndrome, elevating macrovascular disease mortality risk.
  • Therapeutic strategies like statins and ACE inhibitors have reduced cardiovascular mortality in insulin-resistant individuals.
  • Emerging drugs (e.g., thiazolidinediones) face scrutiny for potential adverse cardiovascular effects, necessitating further investigation.

Purpose of the Study:

  • To review current understanding of molecular mechanisms linking insulin resistance and atherosclerosis.
  • To discuss the role of inflammation and cellular stress in vascular complications.
  • To provide insights into ongoing research shaping therapeutic approaches.

Main Methods:

  • Literature review of basic science and clinical research.
  • Analysis of molecular pathways implicated in insulin resistance and atherosclerosis.
  • Synthesis of current knowledge on therapeutic interventions and their cardiovascular effects.

Main Results:

  • Insulin resistance is a key factor in type 2 diabetes and metabolic syndrome, contributing to cardiovascular complications.
  • Inflammation and cellular stress are increasingly recognized as detrimental factors in atherosclerosis development.
  • Evidence-based therapies have improved cardiovascular outcomes, but new drug classes require careful evaluation.

Conclusions:

  • A deeper molecular understanding of insulin resistance and atherosclerosis is crucial for developing effective treatments.
  • Targeting inflammatory and cellular stress pathways may offer novel therapeutic avenues.
  • Continued research is essential to balance the benefits and risks of medications in insulin-resistant patients.

More Related Videos

Study of In Vivo Glucose Metabolism in High-fat Diet-fed Mice Using Oral Glucose Tolerance Test (OGTT) and Insulin Tolerance Test (ITT)08:13

Study of In Vivo Glucose Metabolism in High-fat Diet-fed Mice Using Oral Glucose Tolerance Test (OGTT) and Insulin Tolerance Test (ITT)

Published on: January 7, 2018

Related Concept Videos

Type II Diabetes II: Pathophysiology01:24

Type II Diabetes II: Pathophysiology

PathophysiologyType 2 diabetes mellitus (T2DM ) is a chronic metabolic disorder characterized by insulin resistance and progressive pancreatic β-cell dysfunction, leading to impaired glucose homeostasis. It results from interactions among genetic predisposition, environmental factors, and metabolic stressors, such as overnutrition and a sedentary lifestyle.Insulin Resistance and Glucose DysregulationEarly T2DM involves insulin resistance in skeletal muscle, adipose tissue, and the liver.
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...
Type II Diabetes I: Introduction01:26

Type II Diabetes I: Introduction

Type 2 diabetes mellitus (T2DM) is a chronic metabolic disorder characterized by insulin resistance, in which target tissues such as the liver, muscle, and adipose tissue respond poorly to insulin. It is also associated with inadequate compensatory insulin secretion, where pancreatic β-cells fail to produce sufficient insulin. Together, these abnormalities lead to persistent hyperglycemia.EtiologyT2DM develops through a complex interaction of genetic predisposition and environmental or...
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...
Type I Diabetes II: Pathophysiology01:26

Type I Diabetes II: Pathophysiology

Type 1 diabetes mellitus arises from an immune-mediated destruction of pancreatic β-cells, resulting in an absolute deficiency of insulin. This process develops in genetically susceptible individuals when autoimmunity, environmental exposures, and immunologic dysregulation converge to trigger a targeted attack on the insulin-producing cells of the pancreas. The β-cells are located within the islets of Langerhans and are essential for regulating blood glucose by facilitating cellular uptake of...
Insulin: The Receptor and Signaling Pathways01:28

Insulin: The Receptor and Signaling Pathways

Insulin action is mediated through a receptor tyrosine kinase, akin to the IGF-1 receptor. The number of receptors per cell varies significantly, from 40 on erythrocytes to 300,000 on adipocytes and hepatocytes. The insulin receptor consists of linked α/β subunit dimers, forming a heterotetramer glycoprotein with two extracellular α subunits and two β subunits spanning the membrane. The α subunits inhibit the inherent tyrosine kinase activity of the β subunits, but this inhibition is released...