期刊
BIOORGANIC & MEDICINAL CHEMISTRY
卷 19, 期 4, 页码 1376-1380出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmc.2010.11.025
关键词
Ras GTPases; Depalmitoylation; Palmostatin B; Acyl protein thioesterase 1 (APT1); Cancer
The H- and N-Ras GTPases are prominent examples of proteins, whose localizations and signalling capacities are regulated by reversible palmitoylations and depalmitoylations. Recently, the novel small molecule inhibitor palmostatin B has been described to inhibit Ras depalmitoylation and to revert the phenotype of oncogenic HRasG12V transformed cells. This demonstrates that palmostatin B is a tool to investigate the biochemical effects of the inhibition of cellular Ras depalmitoylation on Ras signalling, which is relevant for oncology. Furthermore, it is to be expected that many proteins, of which the signalling capacities depend on reversible palmitoylation, will be discovered in the near future. This stresses the urgent need for further development of small molecule inhibitors of palmitoylation and depalmitoylation in order to study their functions in cellular signalling. (C) 2010 Elsevier Ltd. All rights reserved.
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