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Updated: Mar 11, 2026
Ex Vivo Corneal Organ Culture Model for Wound Healing Studies
Published on: February 15, 2019
αvβ1 integrin as a novel therapeutic target for tissue fibrosis
Kyung-Hee Song1, Seong-Jun Cho1, Jie-Young Song1
1Division of Applied Radiation Bioscience, Korea Institute of Radiological & Medical Sciences, 75 Nowon-ro, Nowon-gu, Seoul 01812, Republic of Korea.
Abstract:
Chronic tissue injury with fibrosis results in disruption of tissue architecture, organ dysfunction and eventually organ failure. Currently, therapeutic options for tissue fibrosis are severely limited and organ transplantation including high cost and co-morbidities is the only effective treatment for end-stage fibrotic disease. Therefore, it is imperative to develop effective anti-fibrotic agents. Integrins are transmembrane proteins and are major receptors for cell-extracellular matrix (ECM) and cell-cell adhesion. Modulation of these molecules, particularly αv integrin family, has exhibited profound effects on fibrosis in multiple organ and disease state. Based on the several studies, the integrins αvβ3, αvβ5, αvβ6, and αvβ8 have been known to modulate the fibrotic process via activation of latent transforming growth factor (TGF)-β in pre-clinical models of fibrosis. In this perspective, we reviewed the functions of αvβ1 integrin as a potentially useful target molecule for antifibrotic agent and introduced novel specific small-molecule inhibitors targeting this integrin.
Insights
Fibrosis causes organ damage, with limited treatments. This study explores targeting alpha-v beta-1 (αvβ1) integrin, a cell adhesion molecule, as a novel strategy for developing effective anti-fibrotic agents.
Area of Science:
- Biochemistry
- Cell Biology
- Pharmacology
Background:
- Chronic tissue injury leads to fibrosis, disrupting organ function and potentially causing failure.
- Current treatments for tissue fibrosis are limited, with organ transplantation being the only option for end-stage disease.
- Developing effective anti-fibrotic agents is crucial.
Purpose of the Study:
- To review the role of alpha-v beta-1 (αvβ1) integrin in fibrosis.
- To evaluate αvβ1 integrin as a potential therapeutic target for anti-fibrotic agents.
- To introduce novel small-molecule inhibitors targeting αvβ1 integrin.
Main Methods:
- Literature review on integrin function in fibrosis.
- Analysis of pre-clinical models involving integrin modulation.
- Introduction of specific small-molecule inhibitors targeting αvβ1 integrin.
Main Results:
- Integrins, particularly the αv family, are key regulators of cell-extracellular matrix interactions.
- Specific αv integrins (αvβ3, αvβ5, αvβ6, αvβ8) modulate fibrosis by activating transforming growth factor-beta (TGF-β).
- αvβ1 integrin presents a promising target for anti-fibrotic therapies.
Conclusions:
- αvβ1 integrin plays a significant role in fibrotic processes.
- Targeting αvβ1 integrin with small-molecule inhibitors offers a novel therapeutic avenue for combating tissue fibrosis.
- Further research into αvβ1 integrin inhibitors is warranted for clinical application.
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