Para-Chlorophenyl Alanine Induces Aggressive Behavior by Serotonin Depletion in Male Rats and Increases Tryptophan Hydroxylase two and GABAA α1 mRNA Expression in the Olfactory Bulb

Decreased serotonin (5-HT) has long been linked to increased aggressive behavior. Tryptophan Hydroxylase (TPH) is an enzyme involved in the 5-HT synthesis, and para- chlorophenyl alanine (pCPA) inhibits its activity. TPH2 mRNA expression presence mainly described raphe complex rodent’s brain. 5-HT-producing neurons project their axons olfactory bulb, considered a relevant structure rodents for establishing social interactions, including However, relationship between bulb aggression pCPA depletion model not studied.