期刊
CELLULAR SIGNALLING
卷 24, 期 4, 页码 819-825出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cellsig.2011.12.004
关键词
Transforming growth factor beta; Myofibroblast; Epithelial to mesenchymal transition; LIM-domain protein; Cancer associated fibroblast; Fibrosis
类别
资金
- Academy of Finland [213485, 108828]
- Biocentrum Helsinki
- Finnish Cancer Organization
- Academy of Finland (AKA) [213485, 108828, 213485, 108828] Funding Source: Academy of Finland (AKA)
Epithelial to mesenchymal transition (EMT) is a process during which junctions of the cell-cell contacts are dissolved, actin cytoskeleton is deformed, apical-basolateral cell polarity is lost and cell motility is increased. EMT is needed during normal embryonal development and wound healing, but may also lead to pathogenic transformation and formation of myofibroblasts. Transforming growth factor beta (TGF beta) is a multifunctional cytokine promoting EMT and myofibroblast differentiation, and its dysregulation is involved in pathological disorders like cancer and fibrosis. Lin11, Isl-1 and Mec-3 (LIM) domain proteins are associated with actin cytoskeleton and linked to regulation of cell growth, damage signaling, cell fate determination and signal transduction. LIM-domain proteins generally do not bind DNA, but are more likely to function via protein-protein interactions. Despite being a disparate group of proteins, similarities in their functions are observed. In this review we will discuss the role of LIM-domain proteins in TGF beta-signaling pathway and in EMT-driven processes. LIM-domain proteins regulate TGF beta-induced actin cytoskeleton reorganization, motility and adhesion, but also dissolution of cell-cell junctions during EMT. Finally, the role of LIM-domain proteins in ;myofibroblasts found in fibrotic foci and tumor stroma will be discussed. (C) 2012 Elsevier Inc. All rights reserved.
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