Scientists have developed a new technology Chinese future or the emergence of female sperm-kasey chase

Scientists have developed a new technology Chinese future or the emergence of female sperm picture: the latest study found that sperm also team spirit of original title: British media: new technology research scientists China future or current " female " sperm Reference News Network February 27th British media reported that some day in the future if scientists successfully create sperm from the skin the revolution will happen, treatment of infertility. According to the Daily Mail website on February 25th, this landmark study offers hope for thousands of men, including survivors who have suffered cancer in childhood and are desperate to have their own children. About 1/7 of couples have difficulties in fertility, and despite the fact that infertility is a female problem, men and women are equally likely to have problems, the report says. And even though IVF technology can help some people, many people are still told that, for their situation, modern medicine is powerless. Sperm production in the human body is very complicated and lengthy, so sperm recycling in the laboratory was once considered impossible. In recent years, scientists have achieved some success, but the latest research of Chinese scientists is the most advanced and most promising progress to date. The Nanjing Medical University team not only succeeded in building mice sperm in the laboratory – they also used these sperm to fertilize the eggs, and eventually to the birth of the pups. The important thing is that these mice are not only healthy, but also breeding their offspring, according to the Journal of cell and liver. The research team first extracted embryonic stem cells – a blank cell that differentiated into other cell types, and created a "repair kit" for the body". Then, using a mixture of chemicals, hormones, and testicular cells, these stem cells are transformed into sperm cells". These round, early sperm have no tail, but they can fertilize the egg. The researchers plan to start breeding human sperm soon, and say the technology will be used in IVF clinics within ten years. The stem cells used in the experiment come from embryos, but using a male skin as the raw material for the development of new sperm will enable the male to have his own child. "We believe that this study offers great hope for the treatment of male infertility," said Dr. Howard Howe of Nanjing Medical University." "Because the existing therapies are useless for many couples, we hope our approach can significantly improve the success rate of treatment for male infertility patients." Experts in the United Kingdom and the United States agree that the study is expected to change test tube baby technology – but also warns that what happens in mice does not always happen in humans. Security is still an important concern. Terry · of the Washington State University; Dr. hassold said, this technology "as we know, to 2

中国科学家研发新技术 未来或出现女性精子 资料图片:最新研究发现精子也讲究团队协作精神   原标题:英媒:中国科学家研发新技术 未来或现"女性"精子   参考消息网2月27日报道 英媒称,假如有朝一日科学家们成功地从皮肤中培育出精子,不育症的治疗方法将会发生革命。   据英国《每日邮报》网站2月25日报道,这项里程碑式的研究给成千上万的男性带来了希望,其中包括那些曾经在童年时代罹患过癌症的幸存者们,他们极度渴望能拥有自己的孩子。   报道称,约有七分之一的夫妇在生育方面有困难,而且尽管传统上人们一直认为不育是一种女性问题,其实男性和女性同样可能存在问题。   而且,尽管试管婴儿技术能够帮助一些人,许多人仍被告知,对于他们的情况现代医学无能为力。   报道称,人体中精子的制造过程非常复杂和漫长,因此在实验室中再造精子曾经被认为是不可能的。   近几年来,科学家们获得了某些成功,但是中国科学家最近的研究成果是迄今为止最深入和最富有前景的进步。   这个南京医科大学的研究小组不仅成功地在实验室中培育出了小鼠精子——他们还利用这些精子令卵子受精,并且最终迎来了鼠崽的出生。   据《细胞——肝细胞》杂志报道,重要的是,这些鼠崽不仅非常健康,而且繁育了自己的后代。   报道称,这个研究团队先提取了胚胎干细胞——具有分化成其他细胞类型能力的空白细胞,从而为身体创造出了一个“修复工具箱”。然后利用某种化学制剂、荷尔蒙和睾丸细胞的混合物将这些干细胞转变成“精子细胞”。   这些圆圆的、早期的精子没有尾巴,但是能够令卵子受精。   报道称,研究人员计划不久之后就开始培育人类精子,并称这项技术将在十年之内应用于试管婴儿诊所。   实验中使用的干细胞来自胚胎,但是利用一块男性的皮肤作为培育新精子的原材料,将能够令这名男性拥有自己的孩子。   南京医科大学的沙家豪博士说:“我们认为这项研究为治疗男性不育症带来了极大的希望。”   “因为现有的治疗方法对于很多夫妇来说没有用,我们希望我们的方法能够显著提升治疗男性不育症患者的成功率。”   报道称,英国和美国的专家们赞同这项研究有望改变试管婴儿技术——但是也警告说,在小鼠身上发生的未必总会在人类身上实现。   安全性仍然是一个重要关注点。   华盛顿州立大学的特里·哈索尔德博士说,这项技术“如我们所知,能够实现辅助生殖技术方面的革命”。   匹兹堡大学的凯尔·奥维格博士说,这项研究令人印象深刻。   但是,只有时间才能够证明其是否能够帮助人类。   谢菲尔德大学的男性生殖专家艾伦·佩西教授说,能够培育人造精子“将是非凡的”。   但是,解开了男性生殖的秘密,这项突破也能够促进新的避孕药甚至是治疗不孕不育症的“灵丹妙药”的出现。   报道称,不过这项技术也提出了一系列伦理问题,包括一个反乌托邦式的未来的可能性:男性在创造生命的过程中成为了“多余的人”。   其他的可能性则包括来自于一名女性皮肤细胞的“女性”精子。(编译 张琳) 责任编辑:刘德宾 SN222相关的主题文章:

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