
Arf proteins: membrane transport, epithelial morphology and cancer
About
In simplified terms, cell morphology is based on the plasma membrane, which forms a lipid envelope within which the actin cytoskeleton, a modular molecular scaffold, structures the cell's shape. Cell morphology, as well as the intracellular arrangement of organelles and cytoskeletons (actin, microtubules, intermediate filaments), is adapted to serve multiple cellular functions such as vesicular transport, secretion, phagocytosis, adhesion, migration, and so on. Cells also assemble surface membrane substructures (cilium, filopodia, lamellipodia, spicules, CDRs, etc.) that confer specific properties. Thus, the coordinated and dynamic organization of the plasma membrane and the actin cytoskeleton is a key element for the proper functioning of the organism's cells.
The small G protein Arf6, its regulators, and its effectors are involved in cellular architecture and in numerous processes requiring remodeling of cell morphology. In recent years, our research has focused on their role in the organization of the actin cytoskeleton and membrane trafficking, epithelial polarity and cancer, and finally, the search for anticancer drugs.
Projects
In the laboratory, we are developing two types of anti-cancer drugs: Arf6-dependent tumor invasion inhibitors and […]
Epithelial tissues line the inner surface of organs. They are composed of polarized cells with an open apical domain […]
► Small G proteins Arf are involved in intracellular transport, but their exact function remains poorly defined. […]







