A drug derived from an ocean-growing sponge teams up to enhance the performance of the yew tree derivative Taxol® (paclitaxel) in preventing the growth of cancer cells, according to research published in the July 15 issue of the journal Cancer Research. Indeed, discodermolide, a novel drug isolated from the marine sponge Discodermia dissoluta, works with paclitaxel to thwart tumor cell growth--with several times the efficacy that either drug alone exerts on proliferating cancer cells.
Studies by Mary Ann Jordan, Ph.D., a scientist at the University of California, Santa Barbara, and an international team of cancer researchers including postdoctoral fellows Stephane Honore, Ph.D., and Kathryn Kamath, Ph.D., demonstrate that the combination of the two drugs inhibited proliferation of human lung cancer cells by 41 percent. Administered alone, either discodermolide or paclitaxel prevented the cancer cell growth by only 9.6 or 16 percent, respectively. The drugs also combined to induce programmed cell death, or apoptosis, in the lung cancer cells.
"Our results indicate that Taxol® and discodermolide have the potential to improve cancer patients’ responses and reduce undesirable side effects when the two drugs are administered together," Jordan said.
Russell Vanderboom | EurekAlert!
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Reflecting the structure of composites found in nature and the ancient world, researchers at the University of Illinois at Urbana-Champaign have synthesized thin carbon nanotube (CNT) textiles that exhibit both high electrical conductivity and a level of toughness that is about fifty times higher than copper films, currently used in electronics.
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