“Conversely, prior administration of I(1) receptor antagonist, efaroxan (1 mg/kg, ip), I(…) receptor antagonist, idazoxan (0.25 mg/kg, ip) and arginine decarboxylase inhibitor, d-arginine (100 mg/kg, ip) blocked the antidepressant like effect of paroxetine (10 mg/kg, ip) and fluoxetine (20 mg/kg, ip).”