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相关概念视频

Genomics02:02

Genomics

Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...
Pharmacogenetics and Pharmacogenomics: Overview01:29

Pharmacogenetics and Pharmacogenomics: Overview

Pharmacogenetics and pharmacogenomics examine how genetic factors influence an individual's response to drugs. While pharmacogenetics focuses on the impact of specific genetic variants on drug effects, pharmacogenomics takes a broader approach, studying how genetic variation across populations contributes to differences in drug responses. These fields aim to explain why individuals may experience varying levels of efficacy or adverse reactions to the same medication.Variability in drug...
Principles of Pharmacogenetics: Types of Genetic Variants01:27

Principles of Pharmacogenetics: Types of Genetic Variants

The human genome is over 99.9% identical between individuals, yet genetic differences exist at millions of bases. The human genome contains approximately 3 million variant positions per individual, many of which are heterozygous, contributing to genetic diversity and individual traits. Genetic variations include single-nucleotide polymorphisms (SNPs), insertions, deletions, and copy number variations (CNVs).SNPs, the most common variation, involve single-base changes in DNA. These can be...
Pharmacogenetic Phenotypes: Alterations in Pharmacokinetics, Drug Targets and Biologic Milieu01:29

Pharmacogenetic Phenotypes: Alterations in Pharmacokinetics, Drug Targets and Biologic Milieu

Genetic variations significantly influence drug response through pharmacokinetics, receptor interactions, and biologic milieu modifications. Pharmacokinetic alterations impact drug metabolism and clearance, affecting efficacy and toxicity. Variants in drug-metabolizing enzymes, such as CYP2C9 and CYP2C19, alter drug activation and elimination. For example, CYP2C9 loss-of-function variants require lower warfarin doses to prevent excessive bleeding, while CYP2C19 variants reduce clopidogrel...
Pharmacogenetics of Drug Metabolism: Overview01:27

Pharmacogenetics of Drug Metabolism: Overview

Genetic polymorphism in drug metabolism is crucial to the inter-individual variability observed in drug responses. Drug metabolism primarily involves the chemical modification of drugs and other xenobiotics to enhance their elimination by increasing their polarity. Two main classes of enzymes mediate this biotransformation process: Phase I enzymes, primarily cytochrome P450s, catalyze oxidation and reduction reactions, while other enzymes, such as esterases, mediate hydrolysis, and Phase II...
Pharmacogenomics: Identification of New Drug Targets01:29

Pharmacogenomics: Identification of New Drug Targets

Advances in genomics have profoundly influenced drug discovery by increasing both the speed and accuracy of pharmaceutical development. Pharmacogenomics, which examines how genetic variation influences drug response, facilitates the identification of novel therapeutic targets and enables patient stratification for personalized treatment. These strategies contribute to improved drug efficacy, minimized adverse effects, and more efficient clinical trial design.Mapping genetic differences...

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相关实验视频

Updated: Jun 20, 2026

Targeted Next-generation Sequencing and Bioinformatics Pipeline to Evaluate Genetic Determinants of Constitutional Disease
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一个新的云原生工具用于药物遗传学分析.

David Yu Yuan1, Jun Hyuk Park2, Zhenyu Li3

  • 1European Nucleotide Archive, European Bioinformatics Institute, European Molecular Biology Laboratory, Hinxton, Cambridge CB10 1SD, UK.

Genes
|March 28, 2024
PubMed
概括
此摘要是机器生成的。

一个新的生物信息学管道,Pgxtools,通过准确分析基因组数据和支持临床决策来增强药物遗传学 (PGx) 测试. 该工具可以通过下一代测序 (NGS) 改进对不同种群的变异鉴定.

关键词:
生物信息学管道中的一个.云原生技术是云原生技术.基因组数据分析基因组数据分析药物遗传学 药物遗传学工作流的工作流.

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科学领域:

  • 基因组学就是基因组学.
  • 生物信息学是一种生物信息学.
  • 药物遗传学 药物遗传学

背景情况:

  • 下一代测序 (NGS) 能够进行大规模的药物遗传学 (PGx) 研究和预防性测试.
  • 目前基于NGS的PGx测试缺乏用于基因数据分析和临床决策支持的全面计算工具.

研究的目的:

  • 开发一个生物信息学管道,用于分析基因组序列数据和报告PGx基因型.
  • 整合一个数据库来过可操作的PGx变体和临床解释.
  • 提供一个支持药物遗传学临床决策的工具.

主要方法:

  • 用于人类基因组学和基于云的技术的生物信息学实用程序.
  • 开发了一个管道,集成了一个用于变异过和临床解释的数据库.
  • 使用1000个基因组项目 (G1K) 的全基因组测序 (WGS) 数据进行了质量验证,并与CDC参考材料验证了准确性.

主要成果:

  • 该Pgxtools管道分析基因组数据,确定13个PGx基因的可操作变异,并生成带有临床建议的注释报告.
  • 与GRCh37和GRCh38的G1K数据集结果相比,Pgxtools在变种识别中表现出更高的准确性,经过独立方法验证.

结论:

  • Pgxtools为大规模基因组数据分析和PGx临床决策支持提供了一个集成的工作流.
  • 它的云原生实现确保了在各种计算环境中的可移植性,从笔记本电脑到HPC集群和云平台.