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Good Cholesterol' Nanoparticles Seek and Destroy Cancer Cells

Published: Thursday, May 05, 2011
Last Updated: Thursday, May 05, 2011
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Nanoparticles loaded with small interfering RNA to silence cancer-promoting genes selectively shrunk or destroyed ovarian cancer tumors in mice.

Synthetic HDL nanoparticles loaded with small interfering RNA to silence cancer-promoting genes selectively shrunk or destroyed ovarian cancer tumors in mice, a research team led by scientists from The University of Texas MD Anderson Cancer Center and the University of North Texas Health Science Center reports in the April edition of Neoplasia.

"RNA interference has great therapeutic potential but delivering it to cancer cells has been problematic," said Anil Sood.

"Combining siRNA with HDL provides an efficient way to get these molecules to their targets. This study has several important implications in the ability to fight certain cancers."

The next step is to prepare for human clinical trials, the two scientists said. "If we can knock out 70, 80 or 90 percent of tumors without drug accumulation in normal tissues in mice, it is likely that many cancer patients could benefit from this new type of treatment in the long run," Lacko said.

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