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Related Concept Videos

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...
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...
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...
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...
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...

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Related Experiment Video

Updated: Jun 20, 2026

Navigating MARRVEL, a Web-Based Tool that Integrates Human Genomics and Model Organism Genetics Information
09:37

Navigating MARRVEL, a Web-Based Tool that Integrates Human Genomics and Model Organism Genetics Information

Published on: August 15, 2019

A pharmacogene database enhanced by the 1000 Genomes Project.

Eric R Gamazon1, Wei Zhang, R Stephanie Huang

  • 1Department of Medicine, The University of Chicago, Illinois, USA.

Pharmacogenetics and Genomics
|September 12, 2009
PubMed
Summary

Human genetic variation influences drug response. A new database integrates 1000 Genomes Project data for pharmacogenetic research, aiding the study of pharmacogenes.

Related Experiment Videos

Last Updated: Jun 20, 2026

Navigating MARRVEL, a Web-Based Tool that Integrates Human Genomics and Model Organism Genetics Information
09:37

Navigating MARRVEL, a Web-Based Tool that Integrates Human Genomics and Model Organism Genetics Information

Published on: August 15, 2019

Area of Science:

  • Pharmacogenetics
  • Genomics
  • Bioinformatics

Background:

  • Human genetic variation significantly impacts complex traits, including individual drug responses.
  • Genome-wide association studies and candidate-gene approaches have identified single nucleotide polymorphisms related to drug response.
  • Existing datasets like the International HapMap Project focus on common variants, necessitating more comprehensive variation data.

Purpose of the Study:

  • To present a new database of pharmacogenes.
  • To facilitate the utilization of 1000 Genomes Project data for pharmacogenetic research.
  • To provide a convenient portal for accessing comprehensive human genetic variation data.

Main Methods:

  • Leveraging next-generation sequencing platforms for comprehensive human genetic variation mapping.
  • Developing a database focused on pharmacogenes.
  • Integrating data from the 1000 Genomes Project.

Main Results:

  • A new database of pharmacogenes has been created.
  • The database provides a user-friendly interface for accessing 1000 Genomes Project data.
  • The database enables immediate application of new genetic variation data in pharmacogenetic studies.

Conclusions:

  • The developed database addresses the challenge of accessing and utilizing large-scale genetic variation data.
  • This resource is expected to advance pharmacogenetic research by enabling deeper investigation into drug response variability.
  • The database serves as a crucial tool for researchers studying the genetic basis of drug response.