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可以挤出“人”奶的转基因牛即将登场!

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发表于 2011-4-7 10:35 | 显示全部楼层 |阅读模式
昨日偶然的机会,在一个外国人的论坛里看到一则新闻,现将原文黏贴在此。非常抱歉因为要照顾宝宝,没有时间给大家翻译了。请坛子里懂英文的朋友(寻版?卯田妈妈?),如果有时间帮忙翻译一下。文章大概的意思是说中国农业大学已经有科学家成功将人类基因注入200头奶牛中,这些奶牛产出的牛奶将带有人奶的营养成分。中国科学家对此项研究非常自信,说在10年的时间内,老百姓能够在超市里随时买到这样的转基因奶。对此,英国的科学家表示非常担忧,因为转基因动物的死胎率非常高,在做大量的临床试验以前,很难证明转基因牛奶对人类是安全的。

Richard Gray, London
April 4, 2011

SCIENTISTS in China have created genetically modified cows that produce ''human'' milk.

The scientists successfully introduced human genes into 200 dairy cows to produce milk with the same properties as human breast milk.

The scientists behind the research believe that milk from herds of genetically modified cows can provide an alternative to human breast milk and formula milk for babies.
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Critics of the technology and animal welfare groups reacted angrily to the research, questioning the safety of milk from genetically modified animals and its effect on the animals' health.

Ning Li, the scientist who led the research and director of the State Key Laboratories for agro-biotechnology at the China Agricultural University, insisted that the genetically modified milk would be as safe to drink as milk from ordinary dairy cows.

''The milk tastes stronger than normal milk,'' he said. ''Within 10 years, people will be able to pick up these products at the supermarket.''

Helen Wallace, director of GeneWatch UK, a biotechnology monitoring group, said: ''We have major concerns about this research. There are welfare issues with genetically modified animals as you get high numbers of stillbirths.

''There is a question about whether milk from these cows is going to be safe for humans and it is really hard to tell that unless you do large clinical trials like you would with a drug.''

Professor Li and his colleagues said they had produced a herd of about 200 cows that were able to produce human-like milk.

The researchers used cloning technology to introduce human genes into the DNA of dairy cows before the genetically modified embryos were then implanted into surrogate cows.

During two experiments by the Chinese researchers, which resulted in 42 transgenic calves being born, just 26 of the animals survived.

Writing in the Public Library of Science One, a scientific peer-reviewed journal, the researchers said they created cows that produced milk containing a human protein called lysozyme, which helps protect infants from bacterial infections during their early days.

The researchers have also created cows that can produce another protein from human milk, lactoferrin, which helps to boost the number of immune cells in babies.

我不太清楚此新闻的出处,感觉好像是雅虎新闻。有心的朋友可以去搜索一下。
 楼主| 发表于 2011-4-7 10:38 | 显示全部楼层
看了这则新闻,望着自己怀里嗷嗷待哺的小宝宝,感觉背脊一阵阵发冷。中国人,真的是不顾一切的要自取灭亡吗?
发表于 2011-4-7 11:37 | 显示全部楼层
牛怎么说都是牛呀,难道出来怪兽啦?是牛人造的吧?
发表于 2011-4-7 11:56 | 显示全部楼层
有空的朋友可以翻译一下。
发表于 2011-4-7 12:02 | 显示全部楼层
谁喝这样的变态奶谁就是垃圾人口!够脑残的!!
发表于 2011-4-7 12:21 | 显示全部楼层
Ning Li, the scientist who led the research and director of the State Key Laboratories for agro-biotechnology at the China Agricultural University, insisted that the genetically modified milk would be as safe to drink as milk from ordinary dairy cows.

李宁(音译),中国农业大学农业生物技术研究所主任,领导这项研究,他坚称这种基因改造的牛奶,将和常规的鲜奶一样可以安全饮用。

大家人肉一下,有没有这个WBD。
发表于 2011-4-7 12:41 | 显示全部楼层
http://www.enong.com/nyxw/gnxw/2010/0827/10517.html中国农业大学:李宁课题组:我国转基因奶牛研究又取得重大突破
发表于 2011-4-7 15:16 | 显示全部楼层
该来的终于来了.
发表于 2011-4-7 15:37 | 显示全部楼层
下一个研究课题: 转基因牛生出“人”的婴儿。。。。。。
发表于 2011-4-7 16:26 | 显示全部楼层
让人背脊发冷。
发表于 2011-4-7 16:45 | 显示全部楼层
现在的人把自己当上帝了。
发表于 2011-4-7 16:52 | 显示全部楼层
实在可怕,那些科学家都疯了吗?还不如都没受教育
发表于 2011-4-7 16:53 | 显示全部楼层
实在可怕,那些科学家都疯了吗?还不如都没受教育
发表于 2011-4-7 17:49 | 显示全部楼层
有病是吧?!
非要把人毒死,方才罢休?!
发表于 2011-4-7 17:52 | 显示全部楼层
中国农业大学李宁院士课题组日前成功培育出一批人乳铁蛋白转基因奶牛,这标志着我国转基因奶牛新品种培育和动物生物反应器技术达到了国际先进水平,为即将实施的国家转基因生物新品种培育重大专项奠定了坚实基础。
  李宁院士课题组与北京济普霖生物技术公司等单位合作,历经7年多时间,成功培育出一批人乳铁蛋白转基因奶牛,重组人乳铁蛋白在这些转基因奶牛牛奶中的含量为国际最高水平,并具有天然蛋白相同的转运铁、抗菌等生物活性。

  专家认为,这些转基因奶牛研制成功的重要意义在于,它们不仅能大规模生产具有巨大应用前景的重组人乳铁蛋白,用于新型婴幼儿配方奶粉、功能食品和药品等开发,而且能表现出高乳蛋白含量、抗乳房炎等新特性,是培育奶牛新品种的良好材料。

  李宁院士是“973”重大基础研究项目首席科学家、农业生物技术国家重点实验室主任。他说,人乳铁蛋白是人类母乳中的一种天然蛋白,具有补铁、抗菌、抗癌、提高机体免疫力等重要功能,是婴幼儿生长发育不可或缺的功能成分。目前,市场上国内外婴幼儿配方奶粉大多添加从牛奶中纯化的乳铁蛋白,但是生物活性远低于人乳铁蛋白。由于人乳铁蛋白主要存在于人类母乳中,来源非常有限,难以用普通技术大规模生产。

  李宁院士说,目前以重组人乳铁蛋白为功能的胃肠道保健牛奶、配方奶粉、抗贫血药物等产品已基本完成动物试验或临床前试验,正在进行临床试验,预计2至3年将完成上述产品的临床试验。

  另悉,李宁课题组培育的首批人乳铁蛋白转基因奶牛已进入泌乳期,经检测,转基因牛奶中总蛋白含量提高了10%以上,同时含有人乳铁蛋白的牛奶能有效杀死大肠杆菌、金黄色葡萄球菌等奶牛乳房炎的致病菌,从而有望培育出具有乳蛋白含量高、抗乳房炎等特性的转基因奶牛新品种。
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