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Traditional Chinese medicine also can won Nobel Prize


2015 The year’s most prestigious prize in medicine has been bestowed upon Chinese medicine scientist Youyou Tu, the lead discoverer of powerful malaria drug artemisinin. In giving her the prize, the Nobel Prize committee has recognized the role ancient knowledge Chinese medicine and Chinese herbal can play in the modern world.

But her extraordinary tale, which began during the Vietnam war,In the war, the North Vietnamese were not just fighting American-supported forces but also failing to fight malaria. The parasite that caused the disease had developed resistance against chloroquine, which was commonly used as treatment. So, in desperation, they turned to China’s leader, Mao Zedong, for help.

Mao’s answer was to make searching for a new malaria drug a military project. Soon, more than 500 scientists were involved. One group screened some 40,000 known chemicals to find a malaria drug. The other turned to traditional medicine literature and sent for finding “secret cures” in Chinese villages.

Those looking at traditional medicine literature succeeded, but not easily. Tu described the challenge in 2011 in the journal Nature(paywall).

We investigated more than 2,000 Chinese herb preparations and identified 640 hits that had possible antimalarial activities. More than 380 extracts obtained from 200 Chinese herbs were evaluated against a mouse model of malaria. However, progress was not smooth, and no significant results emerged easily.

The first taste of success came when an ancient text revealed a method of using qinghao—the Chinese name for sweet wormwood—to extract artemisinin. After five years, in 1972, Tu had found a method to successfully extract the drug from the plant. But such were the days of China’s political things that clinical trials could not be performed.

Tu’s team volunteered to be the first patients to deem the drug’s safety, and only then could they go out to do proper trials. But soon after, when the war in Vietnam ended, the project that found the drug was disbanded. Even though Tu had managed to publish her results widely by the 1980s, the development of the drug languished.

It took nearly 30 years for the World Health Organization to endorse the drug. The reasons for the delays are not clear, but were perhaps caused by a combination of political instability, lack of patents that could spur pharma companies to invest in the development, and malaria afflicting mostly the poor.

Though it took time, Tu’s method showed other Chinese researchers how to capitalize on the ancient knowledge hidden in scrolls and passed down through word of mouth. China’s success is extraordinary in the light of India’s failed efforts to turn its much-treasured traditional medicine into widely-useful therapies. While chemicals sourced from Chinese herbs such as huperzine A (treats memory dysfunction) and paeoniflorin (treats cardiovascular disease) have successfully undergone rigorous clinical trials and are set to find wider use soon, none of India’s Ayurvedic medicines have reached that stage.

The plant- and animal-based treatments of traditional medicine contain hundreds of chemicals, which can vary hugely in their amounts from one batch to another. If it works, there is no understanding why it worked or whether it will work again. The rigor of clinical trials, which me allows for development of replicable results, forces researchers to find the active ingredient from a natural source that shows the most promise.

The story of artemisinin is one where Tu and her colleagues managed to marry the knowledge of Chinese traditional medicine with the rigors of modern medicine.nowadays Chinese medicine have complete education system in university ,you can get a PHD degree in this major ,there are millions of student study Chinese medicine in all over the world,and the Chinese medicine and acupuncture clinic also more and more now.

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