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Nanotechnology may lead to new treatment of liver cancer
Date:2/22/2011

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In mice with liver cancer, cerasomes blocked tumor vascularisation, the forming of blood vessels needed for growth and nutrition. Studies show that lack of nutrition causes cells to create more ceramide and leads to cell death.

"It is plausible that preventing liver tumor vascularization with cerasome treatment could induce widespread apoptosis, a genetically programmed series of events that leads to cell death in tumors," Kester said. "The efficacy of our cerasomes in the treatment of diverse cancers lends significant therapeutic promise as it translates from bench to bedside."

The researchers published their work in the journal Gut. A Penn State Dean's Feasibility Grant, Pennsylvania tobacco settlement funds, and the National Institutes of Health supported this work.

In an earlier study published in the journal Blood, researchers observed that cerasome use led to complete remission in aggressive, large granular lymphocytic leukemia in rats. In addition, the protein survivin, which prevents cell death, is heavily produced in NK-leukemia cells, but not in normal cells. Cerasome decreased expression of survivin and may lead to a therapeutic approach for fatal leukemia.


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Contact: Matt Solovey
msolovey@hmc.psu.edu
717-531-8606
Penn State
Source:Eurekalert

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