Clone yew "squeeze" to produce anti-cancer king
Professor Sichuan University demonstrated the unique transgenic cloning technology of plants, and the next step is to focus on anti-cancer plants. "We have successfully cloned two plants with different genes using cloning transgenic technology, and the next step is to apply this technology to the cloning of the anticancer drug paclitaxel." A few days ago, Professor Wang Li of the Plant Research Office of the School of Life Sciences of Sichuan University demonstrated to reporters the cloning and transgenic technology that is rarely known to outsiders.
A plant was cloned from the leaves. In the laboratory, Professor Wang pointed to a green plant about 20 centimeters high and said, "this plant is called Zhonglou, and it is a plant with medicinal value." However, this plant does not grow on seeds, but on a leaf. We took a small leaf from the branch of a heavy building and used cloning technology to cultivate the identical twins. " "in another tester, white and yellowish protrusions began to appear on the edges of the leaves on the culture medium." in half a month or so, the edges of the leaves will swell and appear white or yellow protrusions that will soon begin to sprout until they eventually grow into a jasmine flower. and they look almost the same, like twins. " Professor Wang explained to the reporter this seemingly magical cloning technology. The next step is to clone paclitaxel. "the cell cloning technology we study will be mainly used for the cloning of endangered and endangered plants. In the next step, we expect to clone paclitaxel, hoping to alleviate the doom faced by some endangered plants."
Professor Wang Li said: paclitaxel is an anticancer drug extracted from yew (also known as yew). Taxus is only sporadically distributed in Yunnan, Xizang and other places in China, and it is the only internationally certified anticancer drug. Some data show that in a short period of 10 years, the yew resources in Yunnan have been consumed 80%, and the yew has also been rated as an endangered rare tree species in the world.
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Taxus mairei
Taxus, also known as yew, Latin name: TaxusMedia, is a yew evergreen coniferous plant, is listed as a rare and endangered species in the world, is a national first-class protected plant, known as "plant gold". The paclitaxel extracted from it has high anticancer activity and can treat a variety of cancers. The American Cancer Institute believes that paclitaxel is the most effective anticancer drug for human beings in the future. Taxus mairei is a hybrid variety with fast growth rate, high taxol content and strong adaptability to the environment.
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Rapid Propagation of Anticancer Plant Hybrid Taxus chinensis
Hybrid Taxus mairei 8502 is one of more than ten cultivated strains of Taxus mandshurica Taxusmedia. Its rapid growth and wide adaptability are better than other strains and can be planted in most areas of our country. Taxusmedia is one of the yew approved by FDA to extract paclitaxel, an anticancer drug. The taxol content in the branches and leaves of the 5-year-old Taxus mairei was higher than that of the natural yew bark grown for 70 ~ 80 years. A wild yew, including domestic varieties.
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