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Structure and functions of classical cadherins.
D B Ivanov1, M P Philippova, V A Tkachuk
1Laboratory of Molecular Endocrinology, Institute of Experimental Cardiology, Russian Cardiology Research and Production Association, Ministry of Public Health of the Russian Federation, Moscow, 121552, Russia.
Biochemistry. Biokhimiia
|December 12, 2001
Summary
Cadherins are cell adhesion proteins crucial for tissue development and structure. Their dysfunction is linked to tumor growth, highlighting their importance in cell biology and cancer research.
Area of Science:
- Cell Biology
- Developmental Biology
- Molecular Biology
Background:
- Cadherins are transmembrane receptors mediating calcium-dependent cell-cell adhesion.
- They are vital for tissue formation during embryogenesis and maintaining tissue integrity in adults.
- Altered cadherin expression or function is implicated in tumor progression and metastasis.
Purpose of the Study:
- To review the structural characteristics of classical cadherins.
- To elucidate the physiological roles of classical cadherins in development and tissue homeostasis.
- To discuss the implications of cadherin dysfunction in disease, particularly cancer.
Main Methods:
- Literature review of scientific publications on cadherins.
- Analysis of structural and functional data from various cadherin studies.
- Synthesis of information regarding cadherin roles in embryogenesis and adult tissue maintenance.
Main Results:
- Classical cadherins possess a conserved extracellular domain structure crucial for homophilic binding.
- These proteins regulate cell sorting, tissue boundary formation, and epithelial-mesenchymal transitions.
- Cadherin malfunction disrupts cell adhesion, promoting migration and proliferation associated with tumorigenesis.
Conclusions:
- Classical cadherins are essential regulators of tissue development and stability.
- Understanding cadherin structure-function relationships is key to comprehending their physiological roles.
- Targeting cadherin pathways may offer therapeutic strategies for cancer and other diseases.