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- Title
Essential role of KLF5 transcription factor in cell proliferation and differentiation and its implications for human diseases.
- Authors
Dong, Jin-Tang; Chen, Ceshi
- Abstract
KLF5 (Kruppel-like factor 5) is a basic transcription factor binding to GC boxes at a number of gene promoters and regulating their transcription. KLF5 is expressed during development and, in adults, with higher levels in proliferating epithelial cells. The expression and activity of KLF5 are regulated by multiple signaling pathways, including Ras/MAPK, PKC, and TGFβ, and various posttranslational modifications, including phosphorylation, acetylation, ubiquitination, and sumoylation. Consistently, KLF5 mediates the signaling functions in cell proliferation, cell cycle, apoptosis, migration, differentiation, and stemness by regulating gene expression in response to environment stimuli. The expression of KLF5 is frequently abnormal in human cancers and in cardiovascular disease-associated vascular smooth muscle cells (VSMCs). Due to its significant functions in cell proliferation, survival, and differentiation, KLF5 could be a potential diagnostic biomarker and therapeutic target for cancer and cardiovascular diseases.
- Subjects
TRANSCRIPTION factors; CELL growth; CELL proliferation; CELL differentiation; DISEASES; CANCER; CHEMICAL reactions
- Publication
Cellular & Molecular Life Sciences, 2009, Vol 66, Issue 16, p2691
- ISSN
1420-682X
- Publication type
Article
- DOI
10.1007/s00018-009-0045-z