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Rho GTPase signalling pathways in the morphological changes associated with apoptosis Coleman ML; Olson MFCell Death Differ 2002[May]; 9 (5): 493-504The killing and removal of superfluous cells is an important step during embryonic development, tissue homeostasis, wound repair and the resolution of inflammation. A specific sequence of biochemical events leads to a form of cell death termed apoptosis, and ultimately to the disassembly of the dead cell for phagocytosis. Dynamic rearrangements of the actin cytoskeleton are central to the morphological changes observed both in apoptosis and phagocytosis. Recent research has highlighted the importance of Rho GTPase signalling pathways to these changes in cellular architecture. In this review, we will discuss how these signal transduction pathways affect the structure of the actin cytoskeleton and allow for the efficient clearance of apoptotic cells.|*Caenorhabditis elegans Proteins[MESH]|Actin Cytoskeleton/chemistry/metabolism[MESH]|Animals[MESH]|Apoptosis/*physiology[MESH]|Caenorhabditis elegans/genetics[MESH]|Caspases/metabolism[MESH]|Humans[MESH]|Mammals/genetics[MESH]|Membrane Proteins/genetics/metabolism[MESH]|Phagocytosis/genetics/physiology[MESH]|Signal Transduction/*physiology[MESH]|rho GTP-Binding Proteins/genetics/*metabolism[MESH] |