期刊
EUROPEAN JOURNAL OF CELL BIOLOGY
卷 93, 期 10-12, 页码 367-379出版社
ELSEVIER GMBH
DOI: 10.1016/j.ejcb.2014.10.002
关键词
Invadopodia; Podosomes; Invadosomes; Protrusions; Invasion; Cell motility; Cell migration; Cell locomotion; Cancer development; In vivo; In situ; Microenvironment; Microscopy; Multiphoton; Confocal
类别
资金
- NIH [1K99CA172360]
- European Union [237946]
- French National Research Agency [ANR 2010 BLAN 1237 01]
- French Cancer Research Association (ARC) [5040]
- French Ligue Contre le Cancer (Comite du lot et Garonne)
Podosomes and invadopodia (collectively known as invadosomes) are small, F-actin-rich protrusions that are located at points of cell-ECM contacts and endow cells with invasive capabilities. So far, they have been identified in human or murine immune (myelomonocytic), vascular and cancer cells. The overarching reason for studying invadosomes is their connection to human disease. For example, macrophages and osteoclasts lacking Wiskott-Aldrich syndrome protein (WASp) are not able to form podosomes, and this leads to altered macrophage chemotaxis and defective bone resorption by osteoclasts. In contrast, the ability of cancer cells to form invadopodia is associated with high invasive and metastatic potentials. While invadosome composition, dynamics and signaling cascades leading to their assembly can be followed easily in in vitro assays, studying their contribution to pathophysiological processes in situ remains challenging. A number of recent papers have started to address this issue and describe invadosomes in situ in mouse models of cancer, cardiovascular disease and angiogenesis. In addition, in vivo invadosome homologs have been reported in developmental model systems such as C. elegans, zebrafish and sea squirt. Comparative analyses among different invasion mechanisms as they happen in their natural habitats, i.e., in situ, may provide an outline of the invadosome evolutionary history, and guide our understanding of the roles of the invasion process in pathophysiology versus development. (C) 2014 Elsevier GmbH. All rights reserved.
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