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Mouse Down's Effects Eased In The Womb

机译:子宫内的小鼠唐氏效应减轻

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摘要

A pregnant woman who knows her unborn child has Down's syndrome might one day be able to prevent some symptoms before giving birth.rnThat at least is the hope raised by experiments in mice. When fetal mouse pups that had a syndrome similar to Down's were treated with nerve-protecting chemicals, some of the developmental delays that are part of the condition were removed.rnChildren with Down's have an extra copy of chromosome 21, while mice engineered to have a similar condition are given an extra copy of a segment of chromosome 16. In both species, the development of certain motor and sensory abilities is delayed. These "trisomic" individuals may also have learning difficulties and symptoms of Alzheimer's later in life.
机译:一位知道自己未出生的孩子患有唐氏综合症的孕妇也许有一天能够在分娩前预防某些症状。这至少是小鼠实验所带来的希望。当用神经保护性化学物质治疗患有唐氏综合征的胎儿小鼠幼崽时,就消除了一部分这种疾病的发育迟缓。唐氏症的孩子有一个额外的21号染色体拷贝,而老鼠被设计成具有21号染色体。在相似的条件下,还会获得16号染色体片段的额外副本。在两个物种中,某些运动和感觉能力的发育都被延迟。这些“三体性”个体也可能有学习困难和老年痴呆症的症状。

著录项

  • 来源
    《New scientist》 |2008年第2684期|9|共1页
  • 作者

    Aria Pearson;

  • 作者单位
  • 收录信息 美国《科学引文索引》(SCI);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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