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相关概念视频

Genetic Screens02:46

Genetic Screens

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Genetic screens are tools used to identify genes and mutations responsible for phenotypes of interest. Genetic screens help identify individuals or a group of people at risk of developing  genetic diseases and help them with early intervention, targeted therapy, and reproductive options.
Forward genetic screens
Forward or “classical” genetic screens involve creating random mutations in an organism’s DNA using radiation, mutagens, or insertion of additional bases, which...
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Pooled CRISPR-Based Genetic Screens in Mammalian Cells
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一个统计模拟模型,用于指导阵列CRISPR屏幕实验中分析方法的选择.

Chang Sik Kim1, Jonathan Cairns1, Valentina Quarantotti2

  • 1Data Sciences & Quantitative Biology, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, England.

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概括

我们开发了一个统计模拟模型,以帮助研究人员选择最佳的计算工作流程来分析数组的CRISPR查数据. 该工具有助于选择功能性基因组学实验的适当规范化和呼叫方法.

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相关实验视频

Last Updated: Apr 30, 2026

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00:09

Pooled CRISPR-Based Genetic Screens in Mammalian Cells

Published on: September 4, 2019

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Cell Surface Receptor Identification Using Genome-Scale CRISPR/Cas9 Genetic Screens
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科学领域:

  • 功能性基因组学是一种功能性基因组学.
  • 高通量选的高通量选
  • 生物信息学是一种生物信息学.

背景情况:

  • 阵列式CRISPR查是一种强大的功能基因组学技术.
  • 为数据分析选择最佳的计算工作流仍然具有挑战性.
  • 现有的方法缺乏对工作流程选择的系统指导.

研究的目的:

  • 为数组CRISPR查数据开发一个统计模拟模型.
  • 为评估数据分析工作流提供一个系统的方法.
  • 为了指导标准化和呼叫方法的选择.

主要方法:

  • 开发了一种灵活的统计模拟模型,模仿CRISPR查实验.
  • 基因编辑的模拟效应,生物和技术变异.
  • 利用该模型来评估不同的规范化和呼叫策略.

主要成果:

  • 模拟模型有效地模拟了数组的CRISPR查数据生成.
  • 证明了该模型在指导分析方法选择中的实用性.
  • 通过两个例子展示了规范化和呼叫的原则选择.

结论:

  • 开发的统计模拟模型为数组CRISPR查数据分析提供了一个系统的方法.
  • 该工具帮助研究人员在工作流选择时做出明智的决策.
  • 实现该模型的R包可用于更广泛的使用.