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中美学者研究显示:基因变异使东亚人更易出汗--亲稳舆论引导监测室
2013-02-15

  中新社上海2月15日电 (记者 邹瑞玥)哈佛大学和复旦大学学者的一项研究成果作为封面论文,发表在2月14日出版的最新一期国际权威学术期刊《细胞》杂志上。该项研究发现,东亚人特有的一个基因变异,使其更容易出汗。

China news agency on February 15, Shanghai (Reporter ZouRuiYue)Harvard University and fudan university scholars as a research paper cover,Published in the February 14 issue of the latest international authoritative academic journal[cell]magazine.The study found that,East asians characteristic of a gene mutation,Making it easier to sweat.

  研究者通过研究一个被称为EDAR370A的东亚人特有的基因变异,发现这个变异出现在3万多年前的东亚,并且改变了东亚人祖先的汗腺和毛发的密度、毛发粗细及牙齿特征。由于这个变异具备与环境适应的生存优势,它在人群中的比例迅速增加。

The researchers through the study of a known as the east Asia EDAR370A peculiar gene mutation,Find the changes appeared in the east Asia 30000 years ago,And change the east asians ancestors sweat glands and hair density/Hair thickness and teeth characteristics.Because of this variation have to adapt to the environment and the survival advantage,It is in the crowd proportion increase quickly.

  该课题组汪思佳教授介绍,这个基因变异约3万年前产生于东亚人群,最终在中国汉族人群中达到近95%。复旦大学的团队通过分析2500名汉族志愿者,发现具有这个变异的个体汗腺密度偏高约15%,毛发更粗,而且牙齿形状也有变化。哈佛大学的合作者通过动物研究证实,这个基因变异确实会影响汗腺和毛发的发育。

The professor WangSiJia research is introduced,The genetic variation of about 30000 years ago people produce the considerations,Finally the han people in China to nearly 95%.Fudan university team through the analysis of 2500 han Chinese volunteers,Find the variation with the individual sweat gland density on the high side about 15%,Hair more coarse,And teeth shape also has the change.Harvard University partners through the animal research confirmed,This gene variation does influence the development of sweat glands and hair.

  论文通讯作者之一、复旦大学现代人类学教育部重点实验室主任金力指出,东亚人的祖先3万多年前来到东亚时,最先到达东南亚。出汗能力的提高,使得祖先能够更好地适应湿热环境而生存下去。所以,这个基因变异是东亚人适应新环境的产物,而这种对环境的适应性进化,正是产生当代人群间差异的重要机制之一。金力强调,这次研究揭示单个基因变异可以同时影响人类的多个形态特征,所以为数不多的基因变异可能导致东方人与其他人种的形态差异。

The paper communication one of the authors/Fudan university key laboratory of modern anthropology of jin li pointed out,East asians ancestors came to 30000 years when east Asia,The first people to arrive at southeast Asia.Improve the capability of sweat,The ancestral can better adapt to the hot and humid environment and survive.so,This gene variation is east asians products to adapt to the new environment,And the adaptability to the environment of evolution,It is the contemporary people have difference between one of the important mechanisms.Jin li stressed,The study reveals a single gene mutation can also affect human multiple morphological characteristics,So a few genetic variation can lead to Oriental and other forms of racial differences.

  据介绍,此一研究结果对发现决定东亚人群特征的形成具有重要意义。该团队将继续从多学科角度进一步研究,以期最终揭示不同人种形态差异的生物学机制。(完)

According to introducing,The result of study found that the formation of the east Asia to characteristics is of great significance.The team will continue to further research from the interdisciplinary perspective,In order to finally reveal the morphological differences between different ethnic biological mechanisms.(finish)


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