Journal
NATURE CELL BIOLOGY
Volume 2, Issue 10, Pages E191-E196Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/35036454
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Phagocytosis is the uptake of large particles by cells by a mechanism that is based on local rearrangement of the actin microfilament cytoskeleton. In higher organisms, phagocytic cells are essential for host defence against invading pathogens, and phagocytosis contributes to inflammation and the immune response. In addition, engulfment, defined as the phagocytic clearance of cell corpses generated by programmed cell death or apoptosis, has an essential role in tissue homeostasis. Although morphologically distinct phagocytic events can be observed depending on the type of surface receptor engaged, work over the past two years has revealed the essential underlying role of Rho family proteins and their downstream effecters in controlling actin dynamics during phagocytosis.
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