Journal
TURKISH JOURNAL OF MEDICAL SCIENCES
Volume 45, Issue 1, Pages 148-152Publisher
Tubitak Scientific & Technological Research Council Turkey
DOI: 10.3906/sag-1308-25
Keywords
Diabetes mellitus; myocardial infraction; super oxide dismutase; reactive oxygen species; calpain-1
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Funding
- TWAS-COMSTECH research grant
- Higher Education Commission of Pakistan
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Background/aim: Pro-free radical oxidative stresses, as well as regulatory factors, are believed to be the key players in the development of diabetes and heart-related disorders such as myocardial infarction. The aim of the present study was to highlight the role of oxidative stress-responsive factors (reactive oxygen species [ROS], super oxide dismutase [SOD], and calpain-1) in type 2 diabetes and myocardial infarction. Materials and methods: A total of 100 type 2 diabetes patients with myocardial infarction and 50 normal individuals were selected for this analysis. The levels of ROS and activities of SOD in the serum were determined. Serum calpain-1 expression was checked using western blotting. Results: The serum level of ROS and the expression of calpain-1 were significantly higher while the activity of SOD was significantly lower in diabetic patients with myocardial infraction compared to normal individuals. Conclusion: These findings suggest a possible link between decreased antioxidant (SOD) and increased ROS levels as well as calpain-1 expression, supporting the role of oxidative stress-regulatory factors in diabetes and myocardial infraction.
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