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Oxidative stress and diabetes mellitus
Hui Yang1, Xun Jin, Christopher Wai Kei Lam
1Department of Laboratory Medicine, China-Japan Friendship Hospital, Ministry of Health, Beijing, PR China.
Clinical Chemistry and Laboratory Medicine
|August 4, 2011
Summary
Oxidative stress, caused by reactive oxygen species (ROS), is a key factor in diabetes mellitus (DM) and its complications. While biomarkers exist, clinical use is limited by standardization and trial issues.
Area of Science:
- Biochemistry
- Pathophysiology
- Endocrinology
Background:
- Oxidative stress is increasingly implicated in the pathogenesis of diabetes mellitus (DM).
- Reactive oxygen species (ROS) contribute to DM pathogenesis and complications by damaging cellular components.
- Excess glucose metabolism can lead to ROS formation, causing pancreatic beta cell damage.
Purpose of the Study:
- To review the role of oxidative stress in diabetes mellitus and its complications.
- To discuss the mechanisms linking ROS to diabetic pathogenesis.
- To evaluate current methods for assessing oxidative stress biomarkers in diabetes.
Main Methods:
- Literature review of studies on oxidative stress and diabetes.
- Analysis of pathways involved in ROS generation and cellular damage.
- Evaluation of existing methods for oxidative stress biomarker detection.
Main Results:
- Oxidative stress, driven by ROS, is a significant factor in DM development and complications.
- ROS attack lipids, proteins, and nucleic acids, leading to cellular dysfunction.
- Chronic oxidative stress impairs insulin gene expression, secretion, and promotes apoptosis.
Conclusions:
- Oxidative stress is a critical mediator in diabetes and its complications.
- Current biomarker assessment methods face limitations in standardization and clinical validation.
- Further large-scale, multi-marker prospective trials are needed to improve clinical utility.
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