Activation of MAPK ERK in peripheral nerve after injury
2006
Activation of ERK in Nerves After Injury
Sample size: 40
publication
Evidence: moderate
Author Information
Author(s): Agthong S, Kaewsema A, Tanomsridejchai N, Chentanez V
Primary Institution: Department of Anatomy, Faculty of Medicine, Chulalongkorn University
Hypothesis
The study investigates the activation of ERK in peripheral nerves following injury.
Conclusion
ERK is activated in both the proximal and distal nerve stumps after nerve injury.
Supporting Evidence
- ERK activation was observed in the proximal and distal nerve stumps after crush injury.
- Higher phosphorylation of ERK was found in the distal stump compared to the proximal stump.
- Immunohistochemistry showed ERK activation mainly in axons of the proximal nerve and in Schwann cells of the distal nerve.
Takeaway
When nerves get hurt, a special protein called ERK gets turned on to help them heal.
Methodology
The study involved crushing the sciatic nerve of rats and analyzing ERK activation at various time points using Western blot and immunohistochemistry.
Limitations
The precise role of ERK in nerve regeneration remains unclear.
Participant Demographics
Forty male Wistar rats weighing 200–250 g.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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