期刊
CLINICAL CANCER RESEARCH
卷 18, 期 1, 页码 51-63出版社
AMER ASSOC CANCER RESEARCH
DOI: 10.1158/1078-0432.CCR-11-0999
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- EUNICE KENNEDY SHRIVER NATIONAL INSTITUTE OF CHILD HEALTH & HUMAN DEVELOPMENT [ZIAHD008765] Funding Source: NIH RePORTER
- NATIONAL CANCER INSTITUTE [ZIABC010625] Funding Source: NIH RePORTER
Although they have been advocated with an understandable enthusiasm, mitosis-specific agents such as inhibitors of mitotic kinases and kinesin spindle protein have not been successful clinically. These drugs were developed as agents that would build on the success of microtubule-targeting agents while avoiding the neurotoxicity that encumbers drugs such as taxanes and vinca alkaloids. The rationale for using mitosis-specific agents was based on the thesis that the clinical efficacy of microtubule-targeting agents could be ascribed to the induction of mitotic arrest. However, the latter concept, which has long been accepted as dogma, is likely important only in cell culture and rapidly growing preclinical models, and irrelevant in patient tumors, where interference with intracellular trafficking on microtubules is likely the principal mechanism of action. Here we review the preclinical and clinical data for a diverse group of inhibitors that target mitosis and identify the reasons why these highly specific, myelosuppressive compounds have failed to deliver on their promise. Clin Cancer Res; 18(1); 51-63. (C) 2012 AACR.
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