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Friday, February 10, 2012
 

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  How Does Paclitaxel Work as a Cancer Medicine?  
(VTC)

Timothy J. Mitchison, PhD
Hasib Sabbagh Professor of Systems Biology
Harvard Medical School
Boston, Massachusetts

A research seminar in the Distinguished Visiting Scholars Series

Paclitaxel is an important anti-cancer drug that stabilizes microtubules, causing dividing cancer cells to arrest in mitosis and eventually die. If we could understand the principles by which this effective, but toxic, drug acts, we might be able to design better future drugs. Paclitaxel and other cytotoxic chemotherapy drugs are thought to gain their selectivity from tumor cells proliferating faster than normal cells, yet the reality is that most human tumors grow slowly, with infrequent divisions. Using intravital imaging to visualize dividing cells in living mice, Dr. Mitchison and his colleagues have been comparing how paclitaxel kills cancer cells in tissue culture and model mouse tumors. They have found that the mitotic death mechanism seen in culture does occur in a subset of tumor cells, but it is not sufficient to explain the overall tumor response. The scientists are investigating how paclitaxel may cause a change in the tumor environment to promote regression.

Live Webcast: http://research.vtc.vt.edu/live-webcast

Hosted by: Michael J. Friedlander, PhD, Executive Director, Virginia Tech Carilion Research Institute
More information...


Location: Virginia Tech Carilion Research Institute
Price: Free
Sponsor: Virginia Tech Carilion Research Institute
Contact: Dana Nichols
E-Mail: ndana@vtc.vt.edu
540-526-2013
   
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