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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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The basic reaction of homologous recombination (HR) involves two chromatids that contain DNA sequences sharing a significant stretch of identity. One of these sequences uses a strand from another as a template to synthesize DNA in an enzyme-catalyzed reaction. The final product is a novel amalgamation of the two substrates. To ensure an accurate recombination of sequences, HR is restricted to the S and G2 phases of the cell cycle. At these stages, the DNA has been replicated already and the...
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Among all the organelles in an animal cell, only mitochondria have their own independent genomes. Animal mitochondrial DNA is a double-stranded, closed-circular molecule with around 20,000 base pairs. Mitochondrial DNA is unique in that one of its two strands, the heavy, or H, -strand is guanine rich, whereas the complementary strand is cytosine rich and called the light, or L, -strand. Compared to nuclear DNA, mitochondrial DNA has a very low percentage of non-coding regions and is marked by...
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遗传性人类基因组编辑:纠正,选择和治疗.

Rosamund Scott1

  • 1Centre of Medical Law and Ethics, The Dickson Poon School of Law, King's College London, UK.

Medical law review
|March 21, 2024
PubMed
概括

遗传性人类基因组编辑 (HHGE) 是作为儿童治疗或选择的辩论. 这篇文章认为,HHGE最好理解为对未来父母的治疗,如果确保儿童福利,那么在道德上是允许的.

科学领域:

  • 生物伦理学生物伦理学
  • 人类遗传学 人类遗传学
  • 生殖技术 生殖技术

背景情况:

  • 遗传性人类基因组编辑 (HHGE) 通常被视为"治疗"以避免严重的遗传疾病,与植入前遗传测试 (PGT) 相反.
  • 中心的伦理辩论质疑HHGE是否对待未来的孩子,构成选择,还是对待未来的父母.
  • 对残疾人的批评影响了PGT的道德和法律考虑.

研究的目的:

  • 在HHGE的背景下分析"处理"的概念.
  • 提出HHGE作为未来父母治疗的一种形式的道德理由.
  • 根据人权法,探索HHGE的法律允许性.

主要方法:

  • 关于HHGE的伦理和政策材料的概念分析.
  • 关于HHGE的道德理由的伦理论证.
  • 引用欧洲人权公约的法律分析.

主要成果:

  • 对于未来的孩子来说",治疗"的概念在HHGE讨论中作为"目的的严性"的代理.
  • 最好的理解和道德上的理由是,HHGE是对未来父母的治疗,他们希望有一个遗传相关的,不受影响的孩子,选择有限.
  • 如果它符合儿童的福利,HHGE可以在道德上被允许.
关键词:
纠正纠正 纠正 纠正未来的孩子 未来的孩子可遗传的人类基因组编辑 (HHGE)成为未来父母的父母.选择 选择 选择 选择治疗方法 治疗方法

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结论:

  • 在道德上,HHGE与PGT区分开来.
  • 合法化HHGE是可支持的,考虑到尊重私人和家庭生活的权利.
  • 将HHGE重新定义为对未来父母的治疗,提供了一个更清晰的道德和法律途径.