期刊
INTERNATIONAL JOURNAL OF BIOCHEMISTRY & CELL BIOLOGY
卷 41, 期 5, 页码 986-989出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.biocel.2008.06.018
关键词
GADD45; Cell cycle; Apoptosis; DNA damage and growth inhibition
资金
- NHMRC
- ARC and Australian Rotary Health Research Fund
Regulation of cell cycle and growth is integral for cell survival. The intricate mechanisms that control proliferation and cell cycle are numerous. The growth arrest and DNA damage (GADD)-inducible gene family is often up-regulated in response to various environmental stresses and drug therapies. GADD45 alpha was the first stress-inducible gene determined to be up-regulated by p53 and is also a target for the p53 homologues, p63 and p73. When GADD45a is deleted or repressed, cells show uncontrolled proliferation. Furthermore, decreased GADD45 alpha expression is also considered a survival mechanism, as cancer cells without this control can evade the apoptotic pathway leading to increased tumourigenesis. Drug therapies can act to directly or indirectly up-regulate GADD45 alpha and promote apoptosis. As GADD45 alpha is an essential component of many metabolic pathways that control proliferating cancer cells, it presents itself as an emerging drug target worthy of further investigation. (C) 2008 Elsevier Ltd. All rights reserved.
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