Related Experiment Video
Updated: Jul 5, 2026

Evaluating the Effectiveness of Cancer Drug Sensitization In Vitro and In Vivo
Published on: February 6, 2015
Cancer pharmacogenomics: DNA genotyping and gene expression profiling to identify molecular determinants of
J Todd Auman1, Howard L McLeod
1UNC Institute for Pharmacogenomics and Individualized Therapy, Chapel Hill, North Carolina 27599-7360, USA.
Abstract:
Cancer patients exhibit a wide heterogeneity in their responses to chemotherapy. Improvement in chemotherapeutic responses could be achieved by gaining more detailed information on the molecular determinants (i.e., DNA, RNA or protein) underlying this heterogeneity. Pharmacogenomics approaches can be used to integrate information on drug responsiveness with alterations in molecular entities, often on a genome-wide scale. By using information gleaned from pharmacogenomics studies, it is anticipated that cancer chemotherapy can be tailored to the individual patient or tumor phenotype. This review focuses on pharmacogenomics studies conducted to gain insight into the molecular determinants of chemosensitivity to cancer chemotherapeutics.
Insights
Understanding cancer patients' varied responses to chemotherapy requires examining molecular factors. Pharmacogenomics helps tailor treatments by linking drug effectiveness to genetic and molecular profiles for personalized cancer care.
Area of Science:
- Oncology
- Genetics
- Pharmacology
Background:
- Chemotherapy response varies significantly among cancer patients.
- Identifying molecular determinants of this heterogeneity is crucial for improving treatment outcomes.
- Pharmacogenomics offers a powerful approach to understand these variations.
Purpose of the Study:
- To review pharmacogenomics studies focused on molecular determinants of chemosensitivity.
- To highlight the potential of pharmacogenomics in personalizing cancer chemotherapy.
- To integrate drug responsiveness data with molecular alterations on a genome-wide scale.
Main Methods:
- Literature review of pharmacogenomics studies.
- Analysis of molecular determinants (DNA, RNA, protein) influencing chemosensitivity.
- Integration of genome-wide data with drug response information.
Main Results:
- Pharmacogenomics studies provide insights into molecular factors affecting chemotherapy efficacy.
- These studies enable the correlation of genetic variations with drug responses.
- Tailoring chemotherapy based on individual molecular profiles is a key outcome.
Conclusions:
- Pharmacogenomics is essential for understanding and overcoming chemotherapy resistance.
- Personalized cancer chemotherapy can be achieved by leveraging pharmacogenomic data.
- Future research should continue to explore molecular determinants for optimized patient treatment.
Related Concept Videos
Pharmacogenetics of Drug Targets: β₂-Adrenergic Receptors, Apo E, Thymidylate Synthase
Pharmacogenomics: Identification of New Drug Targets
Combination Therapies and Personalized Medicine
The combination of the drug acetazolamide and sulforaphane is a good example of combination therapy to treat cancer. The cells in the interior of a large tumor often die due to the hypoxic and...
Cancer
Pharmacogenetics and Pharmacogenomics: Overview
Pharmacogenetic Phenotypes: Alterations in Pharmacokinetics, Drug Targets and Biologic Milieu
