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. 2017 Sep 11;7:11152. doi: 10.1038/s41598-017-11606-1

Figure 4.

Figure 4

WIN, but not URB597 negatively affected STP in naïve rats. In (a) representative field potentials after paired stimulations 20, 25, 110 and 600 ms apart at the pre-drug condition (dark traces) and after drug administration (coloured traces) in vehicle, WIN (2 mg/kg) and URB597 (1 mg/kg) treated rats. Scale bar = 2 mV and 5 ms. Graphs represents the mean ratios at each interpulse interval (IPI) before (pre-drug) and after administration of drugs. Administration of vehicle (b), URB597 (d), AM251 (e) and AM251 + URB597 (g) had no effect on STP, whereas WIN selectively impaired paired pulse facilitation (c). The effect of WIN was abolished by pre-administration of AM251 (f). One-way ANOVA for repeated measures followed by Bonferroni’s post hoc test; *p < 0.05 versus control (pre-drug) group.