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Scientists synthesize long-sought-after anticancer agent
Date:1/31/2011

rapy drugs. "Ovarian cancer has a high rate of recurrence, and after using chemotherapy to fight the tumor the first time, you're left with resistant tumor cells that tend to keep coming back," Mor explained. "If you can kill the stem cells before they have the chance to form a tumor, the patient will have a much better chance of survival and there aren't many potential therapies out there that target cancer stem cells right now."

Herzon's team, which managed to synthesize the molecule in just 11 steps starting from basic chemical building blocks, has been working on the problem since 2008 and spent more than a year on just one step of the process involving the creation of a carbon-carbon bond. It was an achievement that many researchers deemed impossible, but while others tried to work around having to create that bond by using other techniques, the team's persistence paid off.

"A lot of blood, sweat and tears went into creating that bond," Herzon said. "After that, the rest of the process was relatively easy."

Next, the team will continue to analyze the compound to better understand what's happening to the stem cells at the molecular level. The team hopes to begin testing the compounds in animals shortly.

"This is a great example of the synergy between basic chemistry and the applied sciences," Herzon said. "Our original goal of synthesizing this natural product has led us into entirely new directions that could have broad impacts in human medicine."


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Contact: Suzanne Taylor Muzzin
suzanne.taylormuzzin@yale.edu
203-432-8555
Yale University
Source:Eurekalert

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