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Integrins as receptors for laminins
1Department of Biochemistry, The Holland Laboratory, American Red Cross, Rockville, Maryland 20855, USA.
Microscopy Research and Technique
|October 31, 2000
Summary
Laminin-binding integrins mediate cell adhesion and are crucial for tissue structure. This review highlights their roles in development, migration, and disease, emphasizing their interactions with other receptors.
Area of Science:
- Cell Biology
- Biochemistry
- Developmental Biology
Background:
- Laminins are key extracellular matrix glycoproteins forming basement membranes.
- Integrins are transmembrane receptors essential for cell adhesion.
- Specific integrin heterodimers function as primary laminin receptors.
Purpose of the Study:
- To review recent advances in integrin-laminin interactions.
- To elucidate the roles of laminin-binding integrins in vertebrate biology.
- To discuss integrin regulation and collaboration with other receptors.
Main Methods:
- Literature review of recent research on integrin-laminin interactions.
- Analysis of studies on integrin function in development, migration, and disease.
- Examination of alternative splicing and non-integrin receptor collaborations.
Main Results:
- Integrins like alpha1beta1 and alpha6beta4 are critical laminin receptors.
- Laminin-binding integrins influence embryonic development, cell migration, and tumor invasiveness.
- Alternative splicing of integrin subunits regulates their function.
- Functional cooperation exists between integrin and non-integrin laminin receptors.
Conclusions:
- Laminin-binding integrins are vital for cell-matrix interactions and tissue homeostasis.
- These receptors play essential roles in maintaining cell polarity and tissue architecture.
- Understanding integrin-laminin interactions offers insights into development and disease pathogenesis.