Growth arrest signaling of the Raf/MEK/ERK pathway in cancer
Received date: 15 Feb 2014
Accepted date: 20 Feb 2014
Published date: 01 Apr 2014
Copyright
The Raf/MEK/extracellular signal-regulated kinase (ERK) pathway has a pivotal role in facilitating cell proliferation, and its deregulated activation is a central signature of many epithelial cancers. However paradoxically, sustained activity of Raf/MEK/ERK can also result in growth arrest in many different cell types. This anti-proliferative Raf/MEK/ERK signaling also has physiological significance, as exemplified by its potential as a tumor suppressive mechanism. Therefore, significant questions include in which cell types and by what mechanisms this pathway can mediate such an opposing context of signaling. Particularly, our understating of the role of ERK1 and ERK2, the focal points of pathway signaling, in growth arrest signaling is still limited. This review discusses these aspects of Raf/MEK/ERK-mediated growth arrest signaling.
Key words: Raf; MEK1/2; ERK1/2; proliferation; growth arrest; non-kinase effect
Jong-In PARK . Growth arrest signaling of the Raf/MEK/ERK pathway in cancer[J]. Frontiers in Biology, 2014 , 9(2) : 95 -103 . DOI: 10.1007/s11515-014-1299-x
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