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相关概念视频

Experimental RNAi02:15

Experimental RNAi

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RNA interference (RNAi) is a cellular mechanism that inhibits gene expression by suppressing its transcription or activating the RNA degradation process. The mechanism was discovered by Andrew Fire and Craig Mello in 1998 in plants. Today, it is observed in almost all eukaryotes, including protozoa, flies, nematodes, insects, parasites, and mammals. This precise cellular mechanism of gene silencing has been developed into a technique that provides an efficient way to identify and determine the...
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Small interfering RNAs, or siRNAs, are short regulatory RNA molecules that can silence genes post-transcriptionally, as well as the transcriptional level in some cases. siRNAs are important for protecting cells against viral infections and silencing transposable genetic elements.
In the cytoplasm, siRNA is processed from a double-stranded RNA, which comes from either endogenous DNA transcription or exogenous sources like a virus. This double-stranded RNA is then cleaved by the...
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RNA Interference01:23

RNA Interference

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RNA interference (RNAi) is a process in which a small non-coding RNA molecule blocks the post-transcriptional expression of a gene by binding to its messenger RNA (mRNA) and preventing the protein from being translated.
This process occurs naturally in cells, often through the activity of genomically-encoded microRNAs. Researchers can take advantage of this mechanism by introducing synthetic RNAs to deactivate specific genes for research or therapeutic purposes. For example, RNAi could be used...
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Dual CRISPR-Interference Strategy for Targeting Synthetic Lethal Interactions Between Non-Coding RNAs in Cancer Cells
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基于反意义策略的CircRNA淘汰

Guillermo Aquino-Jarquin1

  • 1RNA Biology and Genome Editing Section. Genomics, Genetics, and Bioinformatics Research Laboratory. 'Federico Gómez' Children's Hospital of Mexico. Dr. Márquez 162, Doctores, Cuauhtémoc, CP 06720, CDMX, Mexico.

Drug discovery today
|June 22, 2024
PubMed
概括

调查循环RNA (circRNA) 功能需要有效的淘汰. 本综述详细介绍了包括CRISPR-Cas13在内的反意义策略,用于准circRNAs,以了解它们在细胞和动物模型中的生物学作用.

科学领域:

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

背景情况:

  • 循环RNAs (circRNAs) 是非编码的RNAs,通过反向拼接从真核生物蛋白编码基因中衍生出来.
  • 它们的主要已知的功能是作为miRNA和蛋白质海绵,但许多circRNA功能仍然未被阐明.
  • 了解circRNA的生物相关性对于推进分子生物学至关重要.

研究的目的:

  • 审查和总结各种反意义策略的可行性和有效性,用于circRNA敲击.
  • 突出在细胞和动物模型中研究circRNAs生物作用的方法.
  • 为功能性基因组研究提供针对circRNA的见解.

主要方法:

  • 针对性circRNA结合的反意义寡核酸 (ASOs).
  • RNA干扰 (RNAi) 针对背接接口.
  • 使用CRISPR-Cas9来产生特定于circRNA的淘汰.
  • 在不影响宿主基因的情况下,CRISPR-Cas13技术用于精确的circRNA向.

主要成果:

  • 反意义策略提供了有效的手段来降低circRNA水平.
  • 克里斯普尔-Cas13在向circRNAs方面表现出高的特异性.
关键词:
有关部门的官员.反意义疗法是一种反意义疗法.背部拼接 - 背部拼接克里斯普尔-Cas13是什么意思克里斯普尔-Cas9是什么意思循环RNAs 是一个循环RNA.如果RNA/shRNA

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  • 这些方法可以在不同的生物环境中对circRNAs进行功能分析.
  • 该审查巩固了关于circRNA淘汰技术的当前知识.

    • 结论:

    • 通过反意义策略敲击circRNA对于功能表征至关重要.
    • CRISPR-Cas13和其他反意义方法为circRNA研究提供了强大的工具.
    • 对circRNA功能的进一步研究将促进我们对基因调节和疾病的理解.