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CRISPR01:59

CRISPR

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Genome editing technologies allow scientists to modify an organism’s DNA via the addition, removal, or rearrangement of genetic material at specific genomic locations. These types of techniques could potentially be used to cure genetic disorders such as hemophilia and sickle cell anemia. One popular and widely used DNA-editing research tool that could lead to safe and effective cures for genetic disorders is the CRISPR-Cas9 system. CRISPR-Cas9 stands for Clustered Regularly Interspaced...
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Embryonic Stem Cells00:57

Embryonic Stem Cells

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Embryonic stem (ES) cells were first discovered in mice in 1981 by Martin Evans. In 1998, James Thomson identified a method to isolate embryonic stem cells from humans. Human embryonic stem cells (hESCs) are obtained from 3-5 day old embryos that remain unused after an in vitro fertilization procedure.
ES cells are grown in a culture medium where they can divide indefinitely, creating ES cell lines. Under certain conditions, ES cells can differentiate, either spontaneously into a variety of...
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What is Genetic Engineering?00:49

What is Genetic Engineering?

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Overview
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相关实验视频

Updated: Mar 17, 2026

Semiconductor Sequencing for Preimplantation Genetic Testing for Aneuploidy
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Semiconductor Sequencing for Preimplantation Genetic Testing for Aneuploidy

Published on: August 25, 2019

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多基因胚胎选择的预防措施:禁止或谨慎使用.

Tetsuya Ishii1

  • 1Office of Health and Safety, Hokkaido University, Sapporo City, Japan.

Frontiers in reproductive health
|March 16, 2026
PubMed
概括

多基因胚胎选择,使用遗传分数来选择胚胎,尽管临床不确定性,但正在扩大. 这种做法可能会造成诸如虚假期望和儿童客观化等伤害,需要政策响应.

科学领域:

  • 生殖遗传学 生殖遗传学
  • 生物伦理学生物伦理学
  • 遗传咨询 遗传咨询 遗传咨询

背景情况:

  • 多基因分数 (PGS) 可以从遗传变异中预测复杂的特征.
  • 对于胚胎选择,PGS的植入前遗传测试 (PGT) 正在出现.
  • 关于多基因分数的PGT存在道德问题.

研究的目的:

  • 分析多基因胚胎选择的含义.
  • 提出政策应对新出现的PGT的PGS实践.

主要方法:

  • 审查关于多基因分数和PGT的当前文献.
  • 基于多基因分数的胚胎选择的伦理分析.
  • 政策分析和建议.

主要成果:

  • 关于复杂特征的PGS准确性,临床不确定性仍然存在.
  • 父母对被认为"健康"或"聪明"的后代的渴望驱使使用.
  • 由于环境和遗传因素,后代的结果可能不符合预期.
  • 实践可能会造成社会伦理上的伤害:虚假的期望,对儿童的客观化,特征的耻辱.

结论:

关键词:
胚胎选择 胚胎选择伦理学 伦理 伦理学政策 政策 政策 政策多基因分数的多基因分数这是一个预防措施的预防措施.在植入前进行遗传检测.监管 监管 监管 监管 监管 监管预测特征 预测特征

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  • 专业社会和政策制定者必须解决多基因胚胎选择的风险.
  • 警告父母关于局限性和道德方面的担忧至关重要.
  • 禁止多基因胚胎选择可能是合理的,严重疾病可能是例外.