Related Experiment Video
Updated: May 31, 2026

Imaging Approaches to Assessments of Toxicological Oxidative Stress Using Genetically-encoded Fluorogenic Sensors
Published on: February 7, 2018
Important role of oxidative stress biomarkers in Huntington's disease
Isaac Túnez1, Fernando Sánchez-López, Eduardo Agüera
1Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC)/Universidad de Córdoba, Córdoba, Spain. fm2tufii@uco.es
Insights
Oxidative stress increases and antioxidant defenses decrease in Huntington's disease (HD) patients. These changes correlate with disease progression, highlighting oxidative stress's role in HD pathogenesis.
Area of Science:
- Biochemistry
- Neuroscience
- Pathology
Background:
- Huntington's disease (HD) is a neurodegenerative disorder with complex pathophysiology.
- Oxidative stress is implicated in various neurodegenerative conditions.
Purpose of the Study:
- To investigate global oxidative stress (GOS) and antioxidant system status in HD patients.
- To correlate these markers with the stage of HD progression.
Main Methods:
- Analysis of oxidative stress biomarkers in HD patients.
- Assessment of antioxidant system function.
- Correlation analysis between GOS, antioxidant markers, and disease stage.
Main Results:
- HD patients exhibited elevated oxidative stress biomarkers.
- A significant reduction in antioxidant system function was observed in HD patients.
- These alterations were more pronounced in earlier stages (HD1) compared to later stages (HD2).
- Carbonylated proteins and GOS levels showed a positive correlation with disease stage.
Conclusions:
- Oxidative stress is a key factor in the pathogenesis of Huntington's disease.
- The findings suggest potential therapeutic targets related to modulating oxidative stress in HD.
Abstract:
This study examined global oxidative stress (GOS) and antioxidant system and their correlation with disease stage in 19 patients with HD. The results revealed an increase in oxidative stress biomarkers and a reduction in antioxidant systems in HD patients. The effects were more intense in HD1 than in HD2 patients. Additionally, carbonylated proteins and GOS were correlated with disease stage. These findings suggest that oxidative stress plays an important role in the pathogenesis of HD.
More Related Videos
10:24Defining Hsp33's Redox-regulated Chaperone Activity and Mapping Conformational Changes on Hsp33 Using Hydrogen-deuterium Exchange Mass Spectrometry
Published on: June 7, 2018
03:35Rapid Quantification of Oxidized and Reduced Forms of Glutathione Using Ortho -phthalaldehyde in Cultured Mammalian Cells In Vitro
Published on: June 28, 2024