Intranasal drug administration was conducted at 1 h, 25 h, and 49 h after GMH induction as described in (Zhang et al., 2017) [31 (link)]. A volume of 10 μl was administered of either 10% dimethyl sulfide (vehicle) or GW9508 (G9797, Sigma Aldrich, MO) at three different dosages (0.84 mg/kg, 2.5 mg/kg, 7.5 mg/kg). The dosage of GW9508 was adapted from previous literature [32 (link)].
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