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Summary
Diabetic neuropathy research is hindered by limited nerve tissue access. This study found significant basement membrane thickening in dermal nerves from diabetic patients, suggesting skin biopsies are a viable method for studying this condition.
Area of Science:
- Neurology
- Diabetology
- Pathology
Background:
- Diabetic neuropathy research is limited by the difficulty in obtaining human nerve tissue samples.
- Previous studies have indicated changes in sural nerves.
Purpose of the Study:
- To investigate dermal nerves as a viable source for studying human diabetic neuropathy.
- To assess for perineurial cell basement membrane thickening in dermal nerves of diabetic subjects.
Main Methods:
- Quantitative electron microscopy was used to examine dermal nerves from skin biopsies and autopsies.
- Samples were obtained from the lower leg and mid-abdomen.
Main Results:
- A highly significant degree of perineurial cell basement membrane thickening was observed in diabetic subjects.
- Other dermal nerve structures, including axons, myelin, and Schwann cells, were also suitable for ultrastructural study.
Conclusions:
- Dermal nerves from skin biopsies offer a safe and repeatable method for obtaining peripheral nervous system tissue.
- This approach facilitates the study of diabetic neuropathy and its underlying pathological changes.