中国科学家发现调节灵长类生长和寿命的基因
文章来源:未知 文章作者:enread 发布时间:2018-08-23 09:04 字体: [阅读网大 阅读网中 ]  进入论坛
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Chinese scientists have identified a gene1 playing an important role in regulating the development and lifespan of primates2 through genome-editing technology and experiments on monkeys and human stem cells.
 
中国科学家通过基因组编辑技术以及在猴子和人类干细胞实验的基础上发现一个基因,这个基因对于调节灵长类的发育以及寿命起着重要作用。
 
The study may open the door to new research on human development and aging, as well as new treatments for age-related disorders3, said Liu Guanghui, a professor at the Institute of Biophysics of the Chinese Academy of Sciences (CAS).
 
Understanding the genetic4 basis of aging is the prerequisite5 to delaying aging and treating age-related illnesses, Liu said.
 
In 1999, scientists found that the Sir2 gene plays a role in prolonging the lifespan of Saccharomyces cerevisiae, a kind of yeast6. Then scientists found that the SIRT6 gene, a homologue of Sir2, is involved in the regulation of aging and longevity7 in rodents8.
 
Deficiency of SIRT6 from mice leads to features of accelerated aging such as loss of subcutaneous fat, spinal9 curvature, colitis and shortening of telomere.
 
However, the biological function of SIRT6 in primates remains10 largely unknown.


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1 gene WgKxx     
n.遗传因子,基因
参考例句:
  • A single gene may have many effects.单一基因可能具有很多种效应。
  • The targeting of gene therapy has been paid close attention.其中基因治疗的靶向性是值得密切关注的问题之一。
2 primates 9536f12c27d026e37c108bd6fc53dbba     
primate的复数
参考例句:
  • Primates are alert, inquisitive animals. 灵长目动物是机灵、好奇的动物。
  • Consciousness or cerebration has been said to have emerged in the evolution of higher primates. 据说意识或思考在较高级灵长类的进化中已出现。
3 disorders 6e49dcafe3638183c823d3aa5b12b010     
n.混乱( disorder的名词复数 );凌乱;骚乱;(身心、机能)失调
参考例句:
  • Reports of anorexia and other eating disorders are on the increase. 据报告,厌食症和其他饮食方面的功能紊乱发生率正在不断增长。 来自《简明英汉词典》
  • The announcement led to violent civil disorders. 这项宣布引起剧烈的骚乱。 来自《简明英汉词典》
4 genetic PgIxp     
adj.遗传的,遗传学的
参考例句:
  • It's very difficult to treat genetic diseases.遗传性疾病治疗起来很困难。
  • Each daughter cell can receive a full complement of the genetic information.每个子细胞可以收到遗传信息的一个完全补偿物。
5 prerequisite yQCxu     
n.先决条件;adj.作为前提的,必备的
参考例句:
  • Stability and unity are a prerequisite to the four modernizations.安定团结是实现四个现代化的前提。
  • It is a prerequisite of entry to the profession that you pass the exams.做这一行的先决条件是要通过了有关的考试。
6 yeast 7VIzu     
n.酵母;酵母片;泡沫;v.发酵;起泡沫
参考例句:
  • Yeast can be used in making beer and bread.酵母可用于酿啤酒和发面包。
  • The yeast began to work.酵母开始发酵。
阅读网 7 longevity C06xQ     
n.长命;长寿
参考例句:
  • Good habits promote longevity.良好的习惯能增长寿命。
  • Human longevity runs in families.人类的长寿具有家族遗传性。
8 rodents 1ff5f0f12f2930e77fb620b1471a2124     
n.啮齿目动物( rodent的名词复数 )
参考例句:
  • Rodents carry diseases and are generally regarded as pests. 啮齿目动物传播疾病,常被当作害虫对待。 来自《简明英汉词典》
  • Some wild rodents in Africa also harbor the virus. 在非洲,有些野生啮齿动物也是储毒者。 来自辞典例句
阅读网 9 spinal KFczS     
adj.针的,尖刺的,尖刺状突起的;adj.脊骨的,脊髓的
参考例句:
  • After three days in Japan,the spinal column becomes extraordinarily flexible.在日本三天,就已经使脊椎骨变得富有弹性了。
  • Your spinal column is made up of 24 movable vertebrae.你的脊柱由24个活动的脊椎骨构成。
10 remains 1kMzTy     
n.剩余物,残留物;遗体,遗迹
参考例句:
  • He ate the remains of food hungrily.他狼吞虎咽地吃剩余的食物。
  • The remains of the meal were fed to the dog.残羹剩饭喂狗了。
TAG标签: gene aging primates
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