Release date: 2009-11-30
Scientists carefully analyzed the genes of 8,200 Chinese people and found that 0.3% of the genes between Chinese Southerners and Northerners are different, and there are also significant genetic differences between groups that speak different dialects. The study will help scientists determine whether certain genetic variants will make a particular population more susceptible to a particular disease, in order to take targeted precautions and ultimately find a cure. Related research results are published in the latest issue of the American Journal of Human Genetics.
The study was led by Liu Jianjun, head of the Human Genome Project of the Singapore Science and Technology Research Institute. He said that it is not known what these genetic differences mean, but they do find that certain genes make certain people more susceptible to certain diseases. For example, they found that southerners are more likely to develop nasopharyngeal cancer than Chinese people in the North.
In addition, they found special genes in patients with two chronic autoimmune disorders, psoriasis and systemic lupus erythematosus. After examining the genes of 1,000 patients with psoriasis and those without the disease, the researchers found specific genetic variants at three locations in patients with psoriasis. Liu Jianjun pointed out that in these patients, this genetic variation is very common, and there is almost no such variation in people without the disease. Finding these genes is very helpful for researchers to further understand why some people are prone to the disease. Meditech Medical Network
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