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Preparing a 68Ga-labeled Arginine Glycine Aspartate RGD-peptide for Angiogenesis
Published on: January 7, 2019
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Integrin Alpha8 Beta1 (81): An In-Depth Review of an Overlooked RGD-Binding Receptor
Iman Ezzat1, Marisa Zallocchi1
1Department of Biomedical Sciences, Creighton University School of Medicine, Omaha, NE 68178, USA.
Summary
Integrin alpha 8 beta 1 (α8β1) is crucial for organ development, particularly in the kidney and inner ear. This receptor plays a role in tissue repair, cancer, and hearing function, offering potential therapeutic applications.
Area of Science:
- Cellular Biology
- Developmental Biology
- Molecular Medicine
Background:
- Integrins are transmembrane receptors mediating cell-extracellular matrix interactions, vital for tissue development and function.
- The integrin family includes 24 heterodimeric combinations, with only 8 recognizing the arginine-glycine-aspartate (RGD) motif.
- Integrin alpha 8 beta 1 (α8β1) is a key RGD-binding integrin, particularly in contractile cells, and is regulated by Ras homolog gene family member A (RHOA).
Purpose of the Study:
- To review recent advances in understanding the function of integrin alpha 8 beta 1 (α8β1) during organ development.
- To explore the role of α8β1 in kidney and inner ear development.
- To discuss the involvement of α8β1 in injury, disease, mesenchymal to epithelial transition in cancer, and hearing function.
Main Methods:
- This review synthesizes recent research findings on α8β1 function.
- Literature search focused on studies related to organogenesis, disease pathology, and cancer development involving α8β1.
- Analysis of the molecular mechanisms and functional consequences of α8β1 signaling.
Main Results:
- α8β1 is a critical modulator in kidney and inner ear development.
- The receptor is implicated in tissue repair processes following injury.
- α8β1 plays a significant role in mesenchymal to epithelial transition during cancer progression and is essential for hearing function.
Conclusions:
- Integrin α8β1 is a pivotal regulator in multiple developmental processes, including kidney and inner ear formation.
- Dysregulation of α8β1 is associated with disease states, including cancer and hearing impairment.
- α8β1 holds promise as a diagnostic and therapeutic target for various diseases.
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