Unveiling the crucial role of intercellular adhesion molecule-1 in secondary diabetic complications

Prabhnain Kaur1, Ritu Dahiya1, Mukesh Nandave1

  • 1Department of Pharmacology, School of Pharmaceutical Sciences, Delhi Pharmaceutical Sciences and Research University, New Delhi, India.

PubMed

Insights

Intercellular adhesion molecule-1 (ICAM-1) plays a key role in diabetic complications like retinopathy, nephropathy, and cardiomyopathy. Targeting ICAM-1 pathways offers a promising therapeutic strategy to improve patient outcomes.

Area of Science:

  • Endocrinology
  • Immunology
  • Cardiovascular Medicine

Background:

  • Diabetes mellitus is linked to severe secondary complications including diabetic retinopathy (DR), nephropathy (DN), and cardiomyopathy (DCM).
  • Intercellular adhesion molecule-1 (ICAM-1) is recognized for its role in inflammation and endothelial dysfunction, key factors in diabetic complication development.

Purpose of the Study:

  • To review therapeutic strategies targeting ICAM-1 pathways.
  • To elucidate the role of ICAM-1 in secondary diabetic complications.

Main Methods:

  • A comprehensive global literature analysis was performed.
  • Examined ICAM-1's involvement in inflammation, endothelial dysfunction, and oxidative stress in diabetes.

Main Results:

  • Elevated ICAM-1 levels correlate with increased leukocyte adhesion, impaired microvascular function, and heightened oxidative stress in diabetic patients.
  • These mechanisms are significant contributors to the pathogenesis of DR, DN, and DCM.

Conclusions:

  • ICAM-1 is a critical factor in the progression of secondary diabetic complications.
  • Targeting ICAM-1 pathways presents a potential therapeutic avenue to reduce inflammation, enhance endothelial function, and improve patient health outcomes.

Related Concept Videos

Cell Adhesion Molecules - Types and Functions01:20

Cell Adhesion Molecules - Types and Functions

Cell adhesion molecules (CAMs) are pivotal to multicellularity and the coordinated functioning of tissues and organ systems. They enable physical interactions between cells and provide mechanical strength to tissues. They also function as receptors for signal transmission across the plasma membrane. The CAMs are broadly classified into four families - integrins, cadherins, selectins, and immunoglobulin-like CAMs (IgCAMs).
CAM Families
The Integrin family of proteins is primarily  involved...
6.7K
Immunoglobulin-like Cell Adhesion Molecules01:31

Immunoglobulin-like Cell Adhesion Molecules

Immunoglobulin-like cell adhesion molecules or Ig-CAMs are a versatile group of cell surface glycoproteins belonging to the immunoglobulin protein superfamily. Ig-CAMs possess the characteristic immunoglobulin protein domains and other domains such as the fibronectin type III domain. The Ig domains are glycosylated to varying degrees in different Ig-CAMs.
Ig-CAMs exhibit either homophilic binding (to other Ig-CAMs) or heterophilic binding (to other ligands such as integrins). While most Ig-CAMs...
3.2K
Intracellular Signaling Affects Focal Adhesions01:17

Intracellular Signaling Affects Focal Adhesions

Integrins act both as extracellular input receivers and as intracellular processing activators. As their name suggests, integrins are entirely integrated into the membrane structure. Their hydrophobic membrane-spanning regions interact with the phospholipid bilayer's hydrophobic region. These membrane receptors provide extracellular attachment sites for effectors like hormones and growth factors. They activate intracellular response cascades when their effectors are bound and active.
Some...
2.7K
Adherens Junctions01:24

Adherens Junctions

Strong contact points between adjacent cells anchor them to each other, forming tissues. Such anchoring junctions are of two types –  adherens junctions and desmosomes. Adherens junctions are abundant in tissues such as  epithelium and endothelium, forming a continuous zone of adhesion called the adhesion belt. In other tissues, such as  heart muscle, they appear as clusters, linking the cells to produce coordinated heart muscle contraction.
Adherens Junctions are Dynamic
4.8K
Diabetes Mellitus: Type 2 and Gestational01:22

Diabetes Mellitus: Type 2 and Gestational

Type 2 diabetes, characterized by insulin resistance, arises when the insulin receptors on cells lose responsiveness to insulin, diminishing the cell's capacity to take up glucose, resulting in elevated blood glucose levels. To receive a diagnosis of Type 2 diabetes, a series of blood glucose tests are necessary to assess whether the blood glucose falls within normal parameters. If the result is out of the normal range, a patient may be diagnosed as prediabetic or diabetic, depending on the...
2.3K
Selectins01:25

Selectins

Cell adhesion is  an essential aspect of multicellularity. While stable cell interactions usually occur between cells of the same type, transient cell interactions occur between cells of different tissue types, such as between neutrophils and endothelial cells. Selectins are one class of cell adhesion molecules (CAMs) that bind carbohydrate ligands to form transient cell adhesion. They are rod-like proteins with a long extracellular part of variable length ending with the lectin domain,...
3.3K