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Cleavage and Blastulation01:33

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After a large-single-celled zygote is produced via fertilization, the process of cleavage occurs while zygotes travel through the uterine tube. Cleavage is a mitotic cell division that does not result in growth. With each round of successive cell division, daughter cells get increasingly smaller.
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相关实验视频

Updated: Jul 11, 2025

Multiplexed Single Cell mRNA Sequencing Analysis of Mouse Embryonic Cells
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用于微处理器复合体的pri-miRNA裂变试验.

Thi Nhu-Y Le1, Cong Truc Le1, Tuan Anh Nguyen1

  • 1Division of Life Science, The Hong Kong University of Science & Technology, Hong Kong, P.R. China.

Methods in enzymology
|November 4, 2023
PubMed
概括
此摘要是机器生成的。

微处理器复合体 (MP) 对于哺乳动物的微RNA (miRNA) 生产至关重要. 本研究详细介绍了一种用于分析MP的体外测定方法.

关键词:
总局CR8 总局CR8 总局德罗莎 (Drosha) 是一个名为德罗莎 (Drosha) 的语言.微处理器微处理器这种pri-miRNA是什么?在实验室中,pri-miRNA裂变.这是一个小RNARNA.

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科学领域:

  • 分子生物学分子生物学
  • 生物化学 生物化学
  • 遗传学 是一个遗传学.

背景情况:

  • 微处理器复合体 (MP) 对于动物的microRNA (miRNA) 生成至关重要,通过分裂初级miRNAs (pri-miRNAs) 来启动miRNA生产.
  • 准确的MP酶活性对于正确的miRNA测序,表达和细胞功能至关重要.
  • 在pri-miRNAs中的各种RNA元素和辅因子可以调节MP分裂活动,从而影响miRNA输出.

研究的目的:

  • 建立和描述一种用于评估微处理器复合体 (MP) 活性的 in vitro pri-miRNA 分裂试验.
  • 提供一种评估不同RNA基质和条件如何影响MP裂变效率的方法.
  • 为了能够分析MP酶活性,可适应高通量选.

主要方法:

  • 从HEK293E细胞中净化人类微处理器复合体 (MP).
  • 在体外转录以合成各种primiRNA基质.
  • 通过使用纯化的MP和合成基质进行体外pri-miRNA裂变试验.

主要成果:

  • 该研究成功地建立了一个可复制的体外测定方法来评估MP裂变活性.
  • 描述的方法允许对使用多种RNA基质的MP功能进行评估.
  • 该试验使用标准的实验室设备和试剂,使其可用于各种研究环境.

结论:

  • 在体外开发的pri-miRNA裂变试验是研究微处理器复合体 (MP) 在miRNA生物发生过程中的功能的一个有价值的工具.
  • 这种检测可以优化为高通量分析,方便对众多RNA基质和条件的选.
  • 了解MP活动对于破译miRNA调节及其对细胞过程的影响至关重要.