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Integrins Control Vesicular Trafficking; New Tricks for Old Dogs
Martijn A Nolte1, Esther N M Nolte-'t Hoen2, Coert Margadant3
1Laboratory for Molecular Cell Biology, Department of Molecular and Cellular Hemostasis, Sanquin Research, Amsterdam, the Netherlands; Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands.
Trends in Biochemical Sciences
|October 6, 2020
Summary
Integrins, crucial cell receptors, regulate internal cell transport for vital functions like degranulation and endocytosis. This research explores their role in cell communication, immunity, and disease.
Area of Science:
- Cell Biology
- Molecular Biology
- Physiology
Background:
- Integrins are transmembrane receptors mediating cell adhesion and signal transduction.
- Integrin adhesion complexes interact with intracellular trafficking machinery.
- Emerging evidence links integrins to endocytosis and exocytosis regulation.
Purpose of the Study:
- To review recent findings on integrin control of intracellular trafficking.
- To discuss the molecular mechanisms involved.
- To explore the pathophysiological implications of this regulation.
Main Methods:
- Literature review of recent studies on integrins and intracellular trafficking.
- Analysis of molecular mechanisms underlying integrin-mediated trafficking.
- Synthesis of data on pathophysiological relevance.
Main Results:
- Integrins regulate diverse cellular processes including degranulation, mechanotransduction, and cell-cell communication.
- Integrins are key in antibody production, viral entry, and Toll-like receptor signaling.
- Integrin roles extend to autophagy, phagocytosis, and extracellular vesicle dynamics.
Conclusions:
- Integrins are central regulators of intracellular trafficking across various cell types.
- Understanding integrin-trafficking links offers insights into hemostasis, immunity, cancer, and viral infections.
- Further research into these mechanisms can reveal novel therapeutic targets.
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