TY - JOUR PY - 1999// TI - Pharmacological characterization of LB50016, N-(4-amino)butyl 3-phenylpyrrolidine derivative, as a new 5-HT1A receptor agonist JO - Archives of pharmacal research A1 - Lee, C. H. A1 - Oh, J. I. A1 - Park, H. D. A1 - Kim, H. J. A1 - Park, T. K. A1 - Kim, J. S. A1 - Hong, C. Y. A1 - Lee, S. J. A1 - Ahn, K. H. A1 - Kim, Y. Z. SP - 157 EP - 164 VL - 22 IS - 2 N2 - LB50016 was characterized as a selective and potent 5-HT1A receptor agonist and evaluate its anxiolytic and antidepressant activities. It shows high affinity for 5-HT1A receptor, moderate affinity for alpha 2 adrenergic and 5-HT2A receptors and no significant affinity for other receptors tested. Hypothermia and increased serum corticosterone level were observed in LB50016-treated rats, which are mediated mostly by post synaptic 5-HT1A receptor activation. In the mouse forced swim model for depression, LB50016-elicited dose-dependent reductions in immobility time, showing ED50 of approximately 3 mg/kg i.p., which was blocked by pretreatment of NAN-190, 5-HT1A antagonist. In face-to-face test for anxiolytic activity in mice, estimated ED50 was 2 mg/kg, i.p. In isolation-induced aggression test with mice, fifty-fold increases in latency to attack were observed at 30 min and last up to 4 h after LB50016 treatment (3 mg/kg, i.p.). Taken together, LB50016-induced pharmacological activities are mediated by activation of 5-HT1A receptors, offering an effective therapeutic candidate in the management of anxiety and depression in humans.

Language: en

LA - en SN - 0253-6269 UR - http://dx.doi.org/ ID - ref1 ER -