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Peripheral nerve regeneration in interleukin 6-deficient mice
1Division of OTO/HNS, Stanford University Medical Center, Edwards Bldg, Room R135, Stanford, CA 94305-5328, USA.
Archives of Otolaryngology--Head & Neck Surgery
|September 9, 2000
Summary
Interleukin 6 (IL-6) absence did not hinder peripheral nerve regeneration in mice. This study found IL-6 is not essential for functional recovery after sciatic nerve injury and repair.
Area of Science:
- Neuroscience
- Immunology
- Regenerative Medicine
Background:
- Interleukin 6 (IL-6) is a cytokine impacting neuronal function.
- Its precise role in peripheral nerve regeneration remains unclear.
Purpose of the Study:
- To investigate the role of IL-6 in peripheral nerve regeneration.
- Compare functional recovery in IL-6 knockout and wild-type mice following sciatic nerve injury.
Main Methods:
- Utilized a sciatic nerve injury model in wild-type and IL-6 knockout mice.
- Assessed functional recovery using a sciatic functional index over 50 days.
- Conducted histomorphometric analysis of distal nerve segments.
Main Results:
- IL-6 knockout mice showed transiently decreased function after crush injury but full recovery.
- No significant difference in functional recovery or axon count was observed between groups after nerve transection with repair.
- Both groups failed to recover function after nerve transection without repair.
Conclusions:
- The absence of IL-6 does not impair peripheral nerve functional recovery.
- IL-6 does not appear to play a substantial role in functional recovery in this mouse model of sciatic nerve injury and repair.