Cancer-Fighting Drug Found in Dirt
Omschrijving
The bark of certain yew trees can yield a medicine that fights cancer. Now scientists find the dirt that yew trees grow in can supply the drugas well, suggesting a new way to commercially harvest the medicine. Scientists originally isolated the drug paclitaxel—now commonly known as Taxol—in 1967 from the bark of Pacific yew trees (Taxus brevifolia) in a forestnear the Mount St. Helens in Washington. This yew also yields related compounds known as taxanes that can be converted to paclitaxel. Research since thenhas revealed other yew species generate paclitaxel and taxanes as well, as do some fungi and certain hazelnut varieties. [Ben Licher]
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