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Titolo:
Serotonin-induced platelet intracellular calcium mobilization in various psychiatric disorders: is it specific to bipolar disorder?
Autore:
Suzuki, K; Kusumi, I; Sasaki, Y; Koyama, T;
Indirizzi:
Hokkaido Univ, Sch Med, Dept Psychiat, Sapporo, Hokkaido 0608638, Japan Hokkaido Univ Sapporo Hokkaido Japan 0608638 oro, Hokkaido 0608638, Japan
Titolo Testata:
JOURNAL OF AFFECTIVE DISORDERS
fascicolo: 2-3, volume: 64, anno: 2001,
pagine: 291 - 296
SICI:
0165-0327(200105)64:2-3<291:SPICMI>2.0.ZU;2-E
Fonte:
ISI
Lingua:
ENG
Soggetto:
PROTEIN-KINASE-C; STIMULATED PHOSPHOINOSITIDE HYDROLYSIS; 5-HT RECEPTOR-BINDING; DEPRESSED-PATIENTS; MAJOR DEPRESSION; BLOOD-PLATELETS; BULIMIA-NERVOSA; D-FENFLURAMINE; CA2+ RESPONSE; MANIA;
Keywords:
bipolar disorder; serotonin; serotonin 5-HT2A receptor; calcium; platelet; signal transduction;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Life Sciences
Citazioni:
44
Recensione:
Indirizzi per estratti:
Indirizzo: Suzuki, K Hokkaido Univ, Sch Med, Dept Psychiat, North 15,West 7, Sapporo,Hokkaido 0608638, Japan Hokkaido Univ North 15,West 7 Sapporo Hokkaido Japan 0608638 pan
Citazione:
K. Suzuki et al., "Serotonin-induced platelet intracellular calcium mobilization in various psychiatric disorders: is it specific to bipolar disorder?", J AFFECT D, 64(2-3), 2001, pp. 291-296

Abstract

Background: Serotonin (5-HT)-stimulated platelet intracellular calcium (Ca) mobilization has been reported to be enhanced in unmedicated depressive patients compared to those of normal healthy subjects, which suggests increased 5-HT2A receptor function in these patients. It has not been ascertainedwhether this enhanced response is specific to some type of affective disorders among various mental disorders. Methods: We examined 5-HT-induced platelet intracellular Ca response in 152 unmedicated outpatients with various psychiatric disorders including bipolar disorder (BD), major depressive disorder with melancholia (DM), major depressive disorder without melancholia (DN), schizophrenia (SCH), panic disorder (PD), obsessive-compulsive disorder (OCD), social phobia (SP) and bulimia nervosa (BN), and 30 normal controls. Results: We observed no significant differences in basal intracellular Ca concentration among all patient subgroups and normal controls. While the5-HT-induced Ca response was significantly and specifically higher in patients with ED than in normal controls, no significant differences were foundin the Ca response to 5-HT between patients with DM, DN, SCH, PD, OCD, SP and BN, and normal controls. Limitations: The sample sizes of each group are still small. Therefore, they have to be enlarged in the continuation of the study so as to increase the power of the statistical tests. Conclusion: These results indicate the possibility that enhanced signal transduction, mediated by the 5-HT2A receptor, may be specific to bipolar disorder. (C) 2001 Elsevier Science B;V. All rights reserved.

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Documento generato il 25/01/20 alle ore 19:00:12