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梅河口妇女儿童医院电话快乐问答

楼主:69分类 时间:2019年10月16日 18:51:07 点击:0 回复:0
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An end to grey hair and crows-feet could be just 10 years away after scientists showed it is possible to reverse ageing in animals.科学家已经在动物身上实现了逆转衰老的可能,也许再过十年,灰白的头发和眼角的鱼尾纹都将成为过去式。Using a new technique which takes adult cells back to their embryonic form, US researchers at the Salk Institute in California, showed it was possible to reverse ageing in mice, allowing the animals to not only look younger, but live for 30 per cent longer.加利福尼亚索尔克研究所的美国研究员们用一项新技术将老化的细胞恢复到其胚胎形式,在实验鼠上实现了逆转衰老的可能,这让老鼠不仅看起来更年轻,更是延长了其本身1/3的寿命。The technique involves stimulating four genes which are particularly active during development in the womb. It was also found to work to turn the clock back on human skin cells in the lab, making them look and behave younger.这项技术涉及到对子宫中发育尤其旺盛的四种基因的刺激,实验中还发现它能将人类皮肤细胞的生物钟往回拨,从而看起来更年轻,行为动作也更年轻态。Scientists hope to eventually create a drug which can mimic the effect of the found genes which could be taken to slow down, and even reverse the ageing process. They say it will take around 10 years to get to human trials.科学家希望能发明出一种药物,能模仿这四种基因所产生的效果,减缓老化,甚至逆转整个衰老过程,实现返老还童。他们表示,这项研究可能会需要十年的时间才能运用到人体实验上。;Obviously, mice are not humans and we know it will be much more complex to rejuvenate a person. But this study shows that ageing is a very dynamic and plastic process, and therefore will be more amenable to therapeutic interventions than what we previously thought.; said Dr Juan Carlos Izpisua Belmonte, a professor in Salk#39;s Gene Expression Laboratory.索尔克基因表达实验室的教授胡安·卡洛斯·伊斯皮苏亚·贝尔蒙特先生表示:“很显然,老鼠不是人类,使人恢复到年轻状态要复杂得多。但是研究表明,衰老的过程是动态的而且具有可塑性,因此介入治疗比我们之前考虑到的更加可行。”The breakthrough could also help people stay healthier for longer. The ageing population means that the risk of developing age-related diseases, such as dementia, cancer and heart disease also rises.这项突破性的进展也能帮助人类保持更长久的健康状态。老龄化人群面临着患老龄化阶段疾病的风险,像痴呆,癌症等疾病,患心脏病的风险也在增加。But if the body could be kept younger for longer then it could prevent many deadly diseases for decades.但如果人体能保持长久的年轻状态,就能预防许多致命疾病的发生,将发病时间推迟几十年。 /201612/485283A British man could become the first person in the world to be cured of HIV using a new therapy designed by a team of scientists from five UK universities.通过使用由英国五所大学科学家团队设计的最新疗法,英国一名男子可能会成为全球首个治愈患艾滋病的人。The 44-year-old is one of 50 people currently trialling a treatment which targets the disease even in its dormant state.这位44岁的男子是50位当前接受该疗法的其中一位,其旨在消灭处于休眠期的病毒。Scientists told The Sunday Times that presently the virus is completely undetectable in the man#39;s blood and if it remains that way it will be the first complete cure.科学家们向《星期日泰晤士报》透露,当前该男子的血液中完全检测不到病毒了,如果一直这样,那么他将是首例完全治愈的病人。;This is one of the first serious attempts at a full cure for HIV,; said Mark Samuels, managing director of the National Institute for Health Research Office for Clinical Research Infrastructure.英国国家临床研究基础设施健康研究所负责人马克·萨缪尔斯表示:;这是一次尝试完全治愈HIV的严肃试验。;;We are exploring the real possibility of curing HIV. This is a huge challenge and it#39;s still early days but the progress has been remarkable.;;我们在探索治愈艾滋病的可能性,虽然现在还只处于研究的初期,但已经有了很好的进展。;The trial is being undertaken by researchers from the universities of Oxford, Cambridge, Imperial College London, University College London and King#39;s College London.负责该试验的研究人员来自牛津大学、剑桥大学、帝国理工学院、伦敦大学学院和伦敦国王学院。HIV is so difficult to treat because it targets the immune system, splicing itself into the DNA of T-cells so that they not only ignore the disease, but turn into viral factories which reproduce the virus.HIV很难治愈,因为它以免疫系统为攻击对象,将自己与T细胞的DNA结合,这样一来T细胞不仅会忽视这一疾病,还会转化为复制该病毒的病毒性工厂。Current treatments, called anti-retroviral therapies (Art), which cannot spot dormant infected T-cells.目前的主要治疗方法是抗逆转录疗法,但是它无法识别休眠的受感染的T细胞。More than 100,000 people in Britain are living with HIV, around 17 per cent of whom do not know they have the disease, and 37 million are infected worldwide.英国有超过10万名HIV感染者,其中约17%不知道自己得了此病,而全球共计约有3700万感染者。 /201610/469805

A New Zealander of Asian descent has shrugged off the rejection of a passport application photo by software because of his eyes.新西兰一位亚裔男子申请护照时因眼小遭到软件拒绝,他表示并不在意。The system sent an error message after deciding Richard Lee#39;s eyes were closed, when they are clearly open.尽管理查德#8226;李的眼睛明显是睁开的,但是系统发出了错误信息,认为他没睁眼。It was not racism he suggested. ;It was a robot. No hard feelings.;理查德#8226;李认为这并非种族歧视,他说:“这是机器,没感觉不高兴。”The DJ and aerospace engineering student had submitted the photo to an online photo checker at New Zealand#39;s Department of Internal Affairs.理查德#8226;李是一位航空航天专业的学生,还担任流行音乐节目主持人。他向新西兰内政部的网络照片审查软件提交了照片。;No hard feelings on my part, I#39;ve always had very small eyes and facial recognition technology is relatively new and unsophisticated,; the 22-year-old told Reuters.这位22岁的男子告诉路透社记者说,“我没感觉不高兴。我的眼睛一直都很小,面部识别是一项比较新的技术,还不够精确。”Mr Lee is studying in Melbourne, Australia.理查德#8226;李现在澳大利亚墨尔本就读。Born in Taiwan but brought up in New Zealand, he was trying to renew his passport so he could return to Australia after a Christmas break in New Zealand.理查德#8226;李在中国台湾出生,在新西兰长大,正在续办护照,以便在新西兰度过圣诞后返回澳大利亚。After contacting the Department of Internal Affairs, he was told there was too much shadow in his eyes. Another photo was later accepted and the passport renewed.他随后同新西兰内政部取得了联系,被告知照片眼部阴影太重。他随后提供的新照片已被接受,并得到了新护照。A department spokesman said up to 20% of photos submitted online were rejected, usually because the subject#39;s eyes are closed.新西兰内政部的一位发言人说,网上提交照片的拒绝率高达20%,通常的原因是照相闭眼。 /201612/482641

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