We investigated the effect of 4-aminopyridine (4-AP) on experimental autoimmune neuritis (EAN) using a 4-AP-treated group in which 4-AP was administered in the diet, and a control group (n=10 per group). Electrophysiological and pathological assessment was performed in the sciatic nerve. The EAN clinical scores were significantly lower in the 4-AP-treated group than in the control group (p<0.05). The motor conductance velocity two weeks post-immunization was significantly higher in the 4-AP-treated group (p<0.05). Finally, 4-AP did not lead to pathological changes. Thus, 4-AP might be a potential therapeutic agent in demyelinating neuropathy.
Keywords: 4-Aminopyridine; Experimental autoimmune neuritis; Guillain-Barré syndrome.
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