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相关概念视频

Real Time RT-PCR02:57

Real Time RT-PCR

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Real-time reverse transcription-polymerase chain reaction, or Real-time RT-PCR, is an analytical tool used to determine the expression level of target genes. The method involves converting mRNA to complementary DNA with the help of an enzyme known as reverse transcriptase, followed by the PCR amplification of the cDNA. These two processes can be performed simultaneously in a single tube or separately as a two-step reaction.
The real-time quantification of the number of amplified products is...
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Comparing Copy Number Variations and SNPs02:26

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Sequencing of the human genome has opened up several best-kept secrets of the genome. Scientists have identified thousands of genome variations that exist within a population. These variations can be a single nucleotide or a larger chromosomal variation.
Copy number variations or CNVs are the structural variations that cover more than 1kb of DNA sequence. The single nucleotide polymorphism (SNP), on the other hand, is a single nucleotide change or a point mutation that is found in more than 1%...
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相关实验视频

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Measuring Single-Cell Mitochondrial DNA Copy Number and Heteroplasmy Using Digital Droplet Polymerase Chain Reaction
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使用数字PCR进行CYP2D6拷贝数的确定.

Wendy Y Wang1, Lancy Lin2, Erin C Boone1

  • 1Division of Clinical Pharmacology, Toxicology and Therapeutic Innovation, Children's Mercy Research Institute (CMRI), Kansas City, MO, United States.

Frontiers in pharmacology
|August 29, 2024
PubMed
概括

这项研究验证了Absolute Q平台用于准确的CYP2D6拷贝数变异测试,为指导药物治疗提供了简化和经济的协议. 优化的方法可靠地检测结构变异,提高药物基因测试效率.

关键词:
绝对的 Q 是绝对的 Q.在CYP2D6中.一个一个.副本号码的变化 副本号的变化数字PCR是数字的PCR.一个多重复合并的多重复合并.有关定量PCR的研究.基因参考基因是指基因的参考基因.

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科学领域:

  • 药物基因组学 药物基因组学
  • 分子诊断学 分子诊断
  • 基因检测 基因检测 基因检测

背景情况:

  • 对于个性化药物治疗,CYP2D6基因测试至关重要.
  • 在CYP2D6中检测结构变异 (SV),包括删除,重复和杂交,是一个重大挑战.
  • 需要准确的方法来确定CYP2D6拷贝数变化 (CNV) 和指导药物遗传学测试.

研究的目的:

  • 为了验证基于数字PCR的CYP2D6 CNV决定的绝对Q平台.
  • 将绝对Q平台与已建立的QX200平台进行CYP2D6 CNV分析.
  • 建立和验证CYP2D6 CNV测试的简化协议,包括"一"消化方法和多重测试.

主要方法:

  • 来自科里尔和各种组织的基因组DNA样本 (n=30) 在Absolute Q和QX200平台上进行了测试.
  • 针对CYP2D6 5'UTR,内6和外9区域的定制TaqManTM复制号 (CN) 试验与参考基因试验进行了多重复合.
  • 评估了两种消化方法 (一和传统),并使用替代参考基因或DNA稀释解决了不确定的结果.

主要成果:

  • 绝对Q和QX200平台的结果在不同的消化方法中是一致的.
  • 三个CYP2D6区域的"一"消化和多重化可靠地检测到多达6个基因拷贝在不同的样本类型.
  • 参考基因的罕见变异被确定为潜在的干扰物,通过使用替代参考基因成功解决了这些问题.

结论:

  • 绝对Q平台提供准确可靠的CYP2D6拷贝数结果.
  • 使用"一"消化和多重复合的简化协议提高了CYP2D6 CNV测试的效率和经济性.
  • 这些经过验证的协议正在扩展,以适用于具有结构变异和CNV的其他药基因.