Related Experiment Video
Updated: Aug 5, 2026

04:15
A Flow Cytometry-Based High-Throughput Technique for Screening Integrin-Inhibitory Drugs
Published on: February 2, 2024
Targeting Integrins in Immunity: Precision Matters for Therapeutic Interventions
1Department of Microbiology, Anatomy, Physiology and Pharmacology (MAPP), School of Agriculture, Biomedicine and Environment (SABE), La Trobe University, Bundoora, VIC 3086, Australia.
Frontiers in Bioscience (Landmark Edition)
|July 30, 2026
Summary
Integrins are key cell receptors involved in immunity and disease. Targeting them indirectly offers a promising therapeutic strategy due to the challenges of direct targeting.
Area of Science:
- Cell Biology
- Immunology
- Drug Discovery
Background:
- Integrins are transmembrane receptors mediating cell-extracellular matrix interactions.
- Integrin dysfunction is linked to various pathophysiological conditions.
- Directly targeting integrins for therapy has faced challenges due to complexity and toxicity.
Purpose of the Study:
- To explore the role of integrins in the immune system.
- To discuss the therapeutic potential and challenges of integrin targeting.
- To highlight indirect targeting strategies for integrin-related diseases.
Main Methods:
- Review of existing literature on integrin biology and function.
- Analysis of integrin involvement in innate and adaptive immunity.
- Examination of downstream signalling pathways and therapeutic targets.
Main Results:
- Integrins play crucial roles in diverse immunological functions, including leukocyte recruitment and immune homeostasis.
- Dysregulation of integrin-mediated functions is associated with various diseases.
- Downstream kinases like FAK, PI3K, SRC, and ILK are key to integrin signalling.
Conclusions:
- Integrins are vital in immune processes, and their dysregulation contributes to disease.
- Indirect or cell-type-specific targeting of integrin functions shows promise for therapeutic development.
- Further understanding of integrin biology is essential for successful drug discovery.
Related Concept Videos
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...
Some...
Activation of Integrins
Integrins bind ligands and transmit information from outside the cell to inside or vice-versa through an "outside-in signaling" or "inside-out signaling."
In "outside-in signaling," external factors in the extracellular space bind to exposed ligand binding sites on integrins. This causes the inactive protein to undergo a conformational change to become active. Integrins are often clustered on the cell membrane. Repetitive and regularly spaced ligand binding events provide an effective stimulus.
In "outside-in signaling," external factors in the extracellular space bind to exposed ligand binding sites on integrins. This causes the inactive protein to undergo a conformational change to become active. Integrins are often clustered on the cell membrane. Repetitive and regularly spaced ligand binding events provide an effective stimulus.
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, which...
T Cell Activation and Clonal Selection
T cells are integral to our adaptive immune system, recognizing and effectively responding to foreign antigens. T cell activation and clonal selection are pivotal in orchestrating this immune response. This article elucidates these mechanisms, detailing the roles of cluster of differentiation (CD) markers, major histocompatibility complex (MHC) molecules, costimulatory signals, and the process of clonal selection.
Naive T cells that have not yet encountered an antigen express two primary CD...
Naive T cells that have not yet encountered an antigen express two primary CD...
Integrins
Animal and protozoan cells do not have cell walls to help maintain shape and provide structural stability. Instead, these eukaryotic cells secrete a sticky mass of carbohydrates and proteins into the spaces between adjacent cells. This network of proteins and molecules is called an extracellular matrix or ECM.
Some ECM proteins assemble into a basement membrane to which the remaining components adhere. Proteoglycans typically form the bulk of the ECM while fibrous proteins, like collagen,...
Some ECM proteins assemble into a basement membrane to which the remaining components adhere. Proteoglycans typically form the bulk of the ECM while fibrous proteins, like collagen,...
Targeted Cancer Therapies
The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against specific...
There are several types of targeted therapies against specific...

