Κυριακή 26 Φεβρουαρίου 2017

Suppression of Spindly Delays Mitotic Exit and Exacerbates Cell Death Response of Cancer Cells Treated with Low Doses of Paclitaxel

Microtubule-targeting agents (MTAs) are used extensively for the treatment of diverse types of cancer. They block cancer cells in mitosis through the activation of the spindle assembly checkpoint (SAC), the surveillance mechanism that ensures accurate chromosome segregation at the onset of anaphase. However, the cytotoxic activity of MTAs is limited by premature mitotic exit (mitotic slippage) due to SAC silencing. Here we have explored the dual role of the protein Spindly in chromosome attachments and SAC silencing to analyze the consequences of its depletion on the viability of tumor cells treated with clinically relevant doses of paclitaxel.

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