期刊
JOURNAL OF BIOENERGETICS AND BIOMEMBRANES
卷 35, 期 1, 页码 81-87出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1023/A:1023450008347
关键词
Nm23; integrin; ICAP-1; lamellipodia; migration; metastasis
The molecular mechanisms underlying the role of Nm23/NDP kinase in controlling cell migration and metastasis have been investigated. The recent progress in our understanding of cell migration at a molecular level gives us some clues to the putative Nm23 function as a suppressor of metastasis. Screening of the literature indicates that NDP kinases have pleiotropic effects. By modifying cytoskeleton organization and protein trafficking, some NDP kinase isoforms may indirectly promote adhesion to the extracellular matrix in some cell types. Conversely, Nm23 regulates cell surface expression of integrin receptors and matrix metallo-proteases, and thus directly controls the cell adhesion machinery. Finally, the recent discovery of the interaction between Nm23-H2 and the negative regulator of 1 integrin-mediated cell adhesion, ICAP-1, which targets the kinase to lamellipodia and cell protrusions, suggests that the Nm23-H2/ICAP-1 complex plays a role in integrin signaling, and exerts a fine-tuning between migration and spreading.
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