Pacific yew


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Related to Pacific yew: western yew, Taxol

Pacific yew

n.
A yew (Taxus brevifolia) of western North America having bark that is a natural source of the drug paclitaxel.
References in periodicals archive ?
And, in another fortunate turn of events, scientists discovered ways to commercially produce paclitaxel--preserving Pacific yew trees (one of the world's slowest growing trees) as well as our Fitness Farm shrubs pictured below.
In the 1980s, it was discovered that paclitaxel--a drug produced from the bark of the Pacific yew and now marketed under the name Taxol--was effective in controlling lung, breast and ovarian cancers.
government-funded organization learned that the bark of the Pacific yew (taxus brevifolia) contained paclitaxel, an anticarcinogenic substance, and put this data into the public domain.
The past few decades have seen the development of yet another important drug: paclitaxel (registered as Taxol by Bristol-Myers Squibb Company) from the bark of the Pacific yew tree (Taxus brevifolia).
Taxol is a potent--and expensive--anti-cancer substance found on the bark of the Pacific Yew tree that unnecessarily threatens the extinction of these trees.
Worldwide sales of Taxol, which is derived from the bark and needles of the rare and slow-growing Pacific Yew tree, were approximately $1.
Taxol was first discovered in the bark and needles of the Pacific yew, an evergreen tree native to old-growth forests of the Pacific Northwest.
Pacific yew, so elegant below the towering cedars and firs.
The drug was first discovered in the bark of ancient Pacific yew trees that grow in the US state of Oregon.
And one made from a chemical in Pacific yew bark is used to treat some kinds of cancer.
Western yew -- Taxus brevifolia -- is also called Pacific yew and mountain mahogany.
Yet 95 percent of these forests are unprotected, and over 75 percent could become extinct or so degraded that they cannot maintain a rich variety of plant and animal species such as salmon, grizzly bears, rare lichens, wild ginseng and Pacific yew, the bark of which is used to treat some cancers.

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