Related Experiment Video
Updated: Jun 24, 2026

Evaluation of Vascular Control Mechanisms Utilizing Video Microscopy of Isolated Resistance Arteries of Rats
Published on: December 5, 2017
An association between resistant hypertension and the null GSTM1 genotype
The null glutathione S-transferase (GST) mu type 1 (GSTM1) genotype is more common in resistant hypertension patients. This finding suggests a potential genetic predisposition to resistant hypertension linked to GSTM1 status.
Area of Science:
- Pharmacogenomics
- Cardiovascular Research
- Genetic Epidemiology
Background:
- Glutathione S-transferase mu type 1 (GSTM1) expression is reduced in stroke-prone spontaneously hypertensive rats.
- Investigated the association between GSTM1 genotype and resistant hypertension in human subjects.
Discussion:
- Null GSTM1 genotype was significantly more frequent in patients with resistant hypertension (57.1%) compared to controlled hypertension (39.7%).
- This suggests a potential role for GSTM1 in the pathophysiology of resistant hypertension.
Key Insights:
- The null GSTM1 genotype may increase the risk of developing resistant hypertension.
- Odds ratio of 1.96 indicates a nearly twofold increased risk for individuals with the null GSTM1 genotype.
Outlook:
- Further research is warranted to elucidate the mechanisms linking GSTM1 to hypertension.
- GSTM1 genotyping could potentially inform personalized risk assessment for resistant hypertension.
Related Concept Videos
Pharmacogenetic Phenotypes: Alterations in Pharmacokinetics, Drug Targets and Biologic Milieu
Glucose Transporters
Facilitated diffusion-glucose transporters (GLUTs) are encoded by the solute-linked carrier (SLC) family 2, subfamily A gene family, or SLC2A. The 14 GLUT protein members are distributed into three classes:
Pharmacogenetics of Drug Transporters: P-Glycoprotein and Solute Carrier Transporters
Pharmacogenetics of Drug Targets: β₂-Adrenergic Receptors, Apo E, Thymidylate Synthase
Hypertension II: Pathophysiology
Type II Diabetes I: Introduction
