Exercise Increases Insulin Content and Secretion in Diabetic Mice
Author Information
Author(s): Huang Han-Hung, Farmer Kevin, Windscheffel Jill, Yost Katie, Power Mary, Wright Douglas E., Stehno-Bittel Lisa
Primary Institution: University of Kansas Medical Center
Hypothesis
Exercise has a direct effect on the insulin-producing islets in type 1 diabetic mice.
Conclusion
Exercise significantly improved insulin content and secretion in pancreatic islets of type 1 diabetic mice.
Supporting Evidence
- Exercise increased insulin content in islets from diabetic mice by more than three times compared to sedentary diabetic mice.
- Insulin secretion was significantly higher in exercised diabetic mice under low glucose conditions compared to sedentary diabetic mice.
- Exercise did not improve islet density or morphology in diabetic mice.
Takeaway
When mice with diabetes exercised, they made more insulin, which helps control blood sugar.
Methodology
The study involved 53 diabetic mice divided into four groups, with some exercising on wheels for 6 weeks while others remained sedentary.
Limitations
The study was conducted on a specific mouse model, which may not fully represent human diabetes.
Participant Demographics
53 male A/J mice, 8 weeks old.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website