Related Experiment Video
Updated: Jun 22, 2026

Isolation of Cerebral Capillaries from Fresh Human Brain Tissue
Published on: September 12, 2018
Gender differences in p-glycoprotein expression and function: effects on drug disposition and outcome
1Faculty of Pharmacy, The University of Sydney, NSW Australia 2006. maryb@pharm.usyd.edu.au
Gender significantly impacts drug response by altering P-glycoprotein activity, a key drug transporter. Understanding these differences is crucial for personalized medicine and optimizing drug therapy.
Area of Science:
- Pharmacology
- Molecular Biology
- Biochemistry
Background:
- Drug disposition and toxicity vary between sexes due to complex physiological and molecular factors.
- Drug transporters and metabolizing enzymes are key regulators of xenobiotic metabolism and elimination.
- P-glycoprotein is a predominant drug transporter implicated in xenobiotic efflux.
Purpose of the Study:
- To review the role of P-glycoprotein in mediating gender differences in drug disposition and response.
- To explore the molecular mechanisms underlying gender-specific transporter expression and function.
- To discuss the impact of gender on drug exposure and therapeutic outcomes.
Main Methods:
- Literature review focusing on P-glycoprotein and gender-related drug disposition.
- Analysis of studies investigating transporter expression and function in different genders.
- Examination of molecular mechanisms influencing transporter activity.
Main Results:
- Gender-specific differences in P-glycoprotein expression and function significantly affect drug concentrations.
- These transporter variations contribute to observed gender disparities in drug response and toxicity.
- Molecular mechanisms underlying these gender differences are multifaceted.
Conclusions:
- P-glycoprotein acts as a critical molecular mediator of gender differences in drug exposure and response.
- Understanding gender-specific transporter roles is essential for optimizing pharmacotherapy.
- Further research into transporter regulation can lead to improved, sex-tailored drug treatments.
Related Concept Videos
Pharmacogenetics of Drug Transporters: P-Glycoprotein and Solute Carrier Transporters
Pharmacogenetic Phenotypes: Alterations in Pharmacokinetics, Drug Targets and Biologic Milieu
Pharmacogenetics of Drug Metabolism: Overview
Factors Affecting Protein-Drug Binding: Patient-Related Factors
Age stands as a key determinant in protein-drug binding. Neonates, characterized by low albumin content, experience heightened concentrations of unbound drugs such as phenytoin and...
Pharmacogenetics of Drug Targets: β₂-Adrenergic Receptors, Apo E, Thymidylate Synthase
Factors Affecting Drug Biotransformation: Biological
Species differences: Variations in enzyme systems across species can cause disparities in drug metabolism. For instance, humans may metabolize certain drugs faster than rodents, altering therapeutic effects.
Strain differences: Genetic variations within a species can result in differing enzyme activity, impacting drug response and toxicity. For example, some mouse strains may...
