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ABSTRACT
In eukaryotic cells, cell migration is a dynamic and complex process that involves finely tuned orchestration of a multitude of proteins including, for example, those involved in focal adhesions (FAs). Cell migration plays an indispensable role in particular stages of development and its proper regulation is crucial in various biological processes, from wound healing to the immune response. FAs are transmembrane protein complexes that traverse cytoskeletal infrastructures all the way to the extracellular matrix, producing traction at the leading edge of the cell, thus allowing for motility. The assembly of FAs has been extensively studied, whereas disassembly remains poorly understood. Here, we highlight 2 recent studies (see the corresponding puncta in the previous and current issues of the journal) that demonstrate a requirement for macroautophagy/autophagy in FA disassembly. These studies also provide a deeper understanding of how autophagy can contribute to cell migration among multiple cell types.
Disclosure of potential conflicts of interest
No potential conflicts of interest were disclosed
Funding
This work was supported by NIH grant GM053396 to DJK
