人类细胞基因编辑或将变为现实

   2017-05-25 沪江网0
核心提示:Scientists want to be able to genetically engineer humans so that they do not get diseases. 科学家们希望能够改造人类基因从而使他们免于病痛。 That is the conclusion of a new report from two of the world's most elite scientific institutions
Scientists want to be able to genetically engineer humans so that they do not get diseases.
 
科学家们希望能够改造人类基因从而使他们免于病痛。
 
That is the conclusion of a new report from two of the world's most elite scientific institutions, which calls for people to be allowed to make modifications to inherited human DNA so that diseases are edited out or treatments are edited in.
 
Such controversial changes could allow scientists to stop diseases from being passed on to future generations.
 
The report is a landmark because it in effect amounts to an official sanctioning – by the National Academy of Sciences and National Academy of Medicine – of medical research that looks to edit, remove or add DNA in human eggs cells, sperm or embryos.
 
But opponents have argued that editing for specific problems could begin a trend for making other changes, like adding selected physical features or optimising children so that they are strong or fast.
 
Gene editing, which effectively allows the precise "cutting and pasting" of DNA, is already used in basic research and clinical studies that involve non-heritable "somatic" cells.
 
Now the two elite organisations have ruled that gene editing of the human "germline" - inherited DNA - should not be seen as a red line in medical research.
 
Future use of germline gene editing to treat or prevent disease and disability is a "realistic possibility that deserves serious consideration", the report says.

相关单词:genetically

genetically解释:adv.遗传上

genetically例句:

All the bees in the colony are genetically related. 同一群体的蜜蜂都有亲缘关系。

Genetically modified foods have already arrived on American dinner tables. 经基因改造加工过的食物已端上了美国人的餐桌。 来自英汉非文学 - 生命科学 - 基因与食物

相关单词:gene

gene解释:n.遗传因子,基因

gene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。

相关单词:elite

elite解释:n.精英阶层;实力集团;adj.杰出的,卓越的

elite例句:

The power elite inside the government is controlling foreign policy.政府内部的一群握有实权的精英控制着对外政策。

We have a political elite in this country.我们国家有一群政治精英。

相关单词:modifications

modifications解释:n.缓和( modification的名词复数 );限制;更改;改变

modifications例句:

The engine was pulled apart for modifications and then reassembled. 发动机被拆开改型,然后再组装起来。 来自《简明英汉词典》

The original plan had undergone fairly extensive modifications. 原计划已经作了相当大的修改。 来自《简明英汉词典》

相关单词:DNA

DNA解释:(缩)deoxyribonucleic acid 脱氧核糖核酸

DNA例句:

DNA is stored in the nucleus of a cell.脱氧核糖核酸储存于细胞的细胞核里。

Gene mutations are alterations in the DNA code.基因突变是指DNA密码的改变。

相关单词:landmark

landmark解释:n.陆标,划时代的事,地界标

landmark例句:

The Russian Revolution represents a landmark in world history.俄国革命是世界历史上的一个里程碑。

The tower was once a landmark for ships.这座塔曾是船只的陆标。

相关单词:sperm

sperm解释:n.精子,精液

sperm例句:

Only one sperm fertilises an egg.只有一个精子使卵子受精。

In human reproduction,one female egg is usually fertilized by one sperm.在人体生殖过程中,一个精子使一个卵子受精。

相关单词:embryos

embryos解释:n.晶胚;胚,胚胎( embryo的名词复数 )

embryos例句:

Somatic cells of angiosperms enter a regenerative phase and behave like embryos. 被子植物体细胞进入一个生殖阶段,而且其行为象胚。 来自辞典例句

Evolution can explain why human embryos look like gilled fishes. 进化论能够解释为什么人类的胚胎看起来象除去了内脏的鱼一样。 来自辞典例句

 
标签: 病痛 科学家们
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