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| Content Provider | PubMed Central |
|---|---|
| Author | Morley, Samantha You, Sungyong Pollan, Sara Choi, Jiyoung Zhou, Bo Hager, Martin H. Steadman, Kenneth Spinelli, Cristiana Rajendran, Kavitha Gertych, Arkadiusz Kim, Jayoung Adam, Rosalyn M. Yang, Wei Krishnan, Ramaswamy Knudsen, Beatrice S. Dolores, Di Vizio Freeman, Michael R. |
| Copyright Year | 2015 |
| Abstract | Taxanes are widely employed chemotherapies for patients with metastatic prostate and breast cancer. Here, we show that loss of Diaphanous-related formin-3 (DIAPH3), frequently associated with metastatic breast and prostate cancers, correlates with increased sensitivity to taxanes. DIAPH3 interacted with microtubules (MT), and its loss altered several parameters of MT dynamics as well as decreased polarized force generation, contractility, and response to substrate stiffness. Silencing of DIAPH3 increased the cytotoxic response to taxanes in prostate and breast cancer cell lines. Analysis of drug activity for tubulin-targeted agents in the NCI-60 cell line panel revealed a uniform positive correlation between reduced DIAPH3 expression and drug sensitivity. Low DIAPH3 expression correlated with improved relapse-free survival in breast cancer patients treated with chemotherapeutic regimens containing taxanes. Our results suggest that inhibition of MT stability arising from DIAPH3 downregulation enhances susceptibility to MT poisons, and that the DIAPH3 network potentially reports taxane sensitivity in human tumors. |
| Related Links | http://dx.doi.org/10.1038/srep12136 |
| Starting Page | 12136 |
| File Format | |
| ISSN | 20452322 |
| e-ISSN | 20452322 |
| Journal | Scientific Reports |
| Volume Number | 5 |
| Language | English |
| Publisher | Nature Publishing Group |
| Publisher Date | 2015-07-01 |
| Access Restriction | Open |
| Rights Holder | Nature Publishing Group |
| Subject Keyword | Science and technology Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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