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. 2024 Feb 16;21(3):e00336. doi: 10.1016/j.neurot.2024.e00336

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© 2024 The Authors

This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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Fig. 2 — Immunofluorescent staining of BDNF in the injured side of dorsal root ganglion under UHF-TENS treatment. A significant increase in signal intensity was induced by nerve constriction injury in the control group compared to sham group as the baseline. After UHF stimulation, the signal intensity of BDNF decreased significantly on Day 1 and returned to baseline level on Day 5. (n = 4 per group; Scale bar: 20 μm; positive neuron: red solid arrowhead; negative neuron: red hollow arrowhead).