Title : Buspirone challenge: preliminary evidence for a role for central 5-HT1a receptor function in impulsive aggressive behavior in humans.

Pub. Date : 1990

PMID : 2274641






6 Functional Relationships(s)
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1 The prolactin (PRL) response to challenge with buspirone hydrochloride, a serotonin1a (5-HT1a) receptor agonist, was examined in 5 healthy male volunteers and in 10 healthy male and female patients with primary DSM-III personality disorder. Buspirone prolactin Homo sapiens
2 The prolactin (PRL) response to challenge with buspirone hydrochloride, a serotonin1a (5-HT1a) receptor agonist, was examined in 5 healthy male volunteers and in 10 healthy male and female patients with primary DSM-III personality disorder. Buspirone prolactin Homo sapiens
3 completely suppressed the maximal PRL response to buspirone challenge. Buspirone prolactin Homo sapiens
4 Pretreatment with the nonselective beta-adrenergic/5-HT1-like antagonist, pindolol suppressed the maximal PRL response to buspirone challenge depending upon dose (i.e., between 49 to 90% suppression at best dose). Buspirone prolactin Homo sapiens
5 In personality disorder patients, PRL responses to buspirone challenge correlated inversely with self-assessed "irritability" (r = -.76, n = 10, p less than .01). Buspirone prolactin Homo sapiens
6 These data suggest that the PRL response to buspirone challenge reflects the responsivity of 5-HT1a receptors in the limbic-hypothalamus in humans and that reduced sensitivity of these receptors is associated with an important component of impulsive aggressive behaviors in personality disorder patients. Buspirone prolactin Homo sapiens