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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...
Pharmacogenetics of Phase I Enzymes: Cytochrome P450 Isozymes01:28

Pharmacogenetics of Phase I Enzymes: Cytochrome P450 Isozymes

Cytochrome P450 (CYP450) enzymes are a superfamily of heme-containing monooxygenases that play a pivotal role in Phase I drug metabolism by catalyzing oxidation and reduction reactions.These enzymes transform lipophilic xenobiotics into more hydrophilic metabolites, facilitating subsequent Phase II conjugation and eventual excretion. The CYP450 family is classified into families (e.g., CYP1–CYP3) and subfamilies (e.g., CYP2A, CYP2C), based on amino acid sequence homology.CYP450 isoenzymes,...

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Related Experiment Video

Updated: Jun 10, 2026

Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry
05:53

Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry

Published on: June 21, 2018

Pharmacogenomics: Bench to bedside.

Richard Weinshilboum1, Liewei Wang

  • 1Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Medical School-Mayo Graduate School, Mayo Clinic College of Medicine, Rochester, MN 55905, USA.

Discovery Medicine
|August 14, 2010
PubMed
Summary
This summary is machine-generated.

Pharmacogenetics studies how genes affect drug response, aiming for personalized medicine. This field evolved into pharmacogenomics, integrating genomics for tailored drug therapies to improve efficacy and reduce toxicity.

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Area of Science:

  • Pharmacogenomics
  • Genomic Medicine
  • Drug Development

Background:

  • Pharmacogenetics investigates genetic influences on drug response.
  • A key goal is individualizing drug therapy to maximize efficacy and minimize toxicity.
  • The field has evolved into pharmacogenomics due to advances in human genomics.

Purpose of the Study:

  • To review the development of pharmacogenetics and pharmacogenomics.
  • To outline factors influencing the clinical translation of pharmacogenomics.
  • To highlight the convergence of the therapeutic and genomic revolutions.

Main Methods:

  • Literature review of pharmacogenetics and pharmacogenomics.
  • Analysis of factors impacting clinical implementation.
  • Historical perspective on scientific and medical advancements.

Main Results:

  • Pharmacogenetics has advanced towards pharmacogenomics.
  • The translation of pharmacogenomics to patient care is influenced by multiple factors.
  • The late 20th and early 21st centuries witnessed significant progress in both drug development and genomics.

Conclusions:

  • Pharmacogenomics holds promise for personalized medicine.
  • Bridging the gap between research and clinical practice is crucial for realizing pharmacogenomics' potential.
  • The integration of genetic information into drug therapy is transforming healthcare.