Building the phagocytic cup on an actin scaffold.

Building the phagocytic cup on an actin scaffold.
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DOI:
10.1016/j.ceb.2022.102112
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发表时间:
2022-08
影响因子:
7.5
通讯作者:
Gauthier, Nils C.
Gauthier, Nils C.
中科院分区:
生物学2区
文献类型:
--
作者:
Krendel, Mira;Gauthier, Nils C.

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Cells ingest large particles, such as bacteria, viruses, or apoptotic cells, via the process of phagocytosis, which involves formation of an actin-rich structure known as the phagocytic cup. Phagocytic cup assembly and closure results from a concerted action of phagocytic receptors, regulators of actin polymerization, and myosin motors. Recent studies using advanced imaging approaches and biophysical techniques have revealed new information regarding phagocytic cup architecture, regulation of actin assembly, and the distribution, direction, and magnitude of the forces produced by the cytoskeletal elements that form the cup. These findings provide insights into the mechanisms leading to the assembly, expansion, and closure of phagocytic cups. The new data show that engulfment and internalization of phagocytic targets rely on several distinct yet complementary mechanisms that support the robust uptake of foreign objects and may be precisely tailored to the demands of specific phagocytic pathways.
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