Effects of Hyperglycemia on Sensory Neurons in Diabetic Mice
Author Information
Author(s): Richard A Zaruba, Paul N Epstein, Patrick A Carr
Primary Institution: University of North Dakota, School of Medicine and Health Sciences
Hypothesis
Chronic hyperglycemia alters enzyme activity and cell number in spinal sensory ganglia.
Conclusion
Chronic hyperglycemia leads to a decrease in small diameter sensory neurons and alters enzyme activity in diabetic mice.
Supporting Evidence
- Diabetic mice showed a significant decrease in acid phosphatase and cytochrome oxidase activity.
- NADPH-diaphorase labeling was significantly higher in small primary sensory somata of diabetic mice.
- A decrease in the ratio of small to large diameter primary sensory somata was observed in diabetic mice.
Takeaway
When mice have high blood sugar for a long time, it can hurt the tiny nerve cells that help them feel things.
Methodology
Transgenic mice were used to examine enzyme activity in sensory neurons through histochemical techniques.
Limitations
The study is limited to a specific mouse model and may not fully represent human diabetic neuropathy.
Participant Demographics
Ten aged (>365 days old) mice, five diabetic and five control.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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