期刊
INTERNATIONAL JOURNAL OF BIOCHEMISTRY & CELL BIOLOGY
卷 36, 期 10, 页码 1890-1909出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.biocel.2004.01.024
关键词
actin dynamics; actin binding proteins; cell migration; cancer; invasion
Cell motility is crucial for tissue formation and for development of organisms. Later on cell migration remains essential throughout the lifetime of the organism for wound healing and immune responses. The actin cytoskeleton is the cellular engine that drives cell motility downstream of a complex signal transduction cascade. The basic molecular machinery underlying the assembly and disassembly of actin filaments consists of a variety of actin binding proteins that regulate the dynamic behavior of the cytoskeleton in response to different signals. The multitude of proteins and regulatory mechanisms partaking in this system makes it vulnerable to mutations and alterations in expression levels that ultimately may cause diseases. The most familiar one is cancer that in later stages is characterized by active aberrant cell migration. Indeed tumor invasion and metastasis are increasingly being associated with deregulation of the actin system. (C) 2004 Elsevier Ltd. All rights reserved.
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