Abstract
The effect of mood stabilizing agents such as lithium, carbamazepine, valproic acid and clonazepam on serotonin(5-HT)- or thrombin-induced intracellular calcium (Ca) mobilization was studied in the platelets of healthy subjects using the fluorescent Ca indicator fura-2. After incubating platelet-rich plasma with these drugs for one or four hours, there was no significant difference in either basal Ca2+ concentration or 5-HT-stimulated Ca response between each agent treatment and control. 5-HT- or thrombin-induced Ca mobilization was not altered by four weeks of lithium carbonate administration in healthy volunteers. These results indicate that these mood stabilizers fail to affect the agonist-stimulated intracellular Ca mobilizing pathway either in vitro or ex vivo in the platelets of healthy subjects.
Full text
PDFImages in this article
Selected References
These references are in PubMed. This may not be the complete list of references from this article.
- Affolter H., Erne P., Bürgisser E., Pletscher A. Ca2+ as messenger of 5HT2-receptor stimulation in human blood platelets. Naunyn Schmiedebergs Arch Pharmacol. 1984 Apr;325(4):337–342. doi: 10.1007/BF00504378. [DOI] [PubMed] [Google Scholar]
- Avissar S., Schreiber G., Danon A., Belmaker R. H. Lithium inhibits adrenergic and cholinergic increases in GTP binding in rat cortex. Nature. 1988 Feb 4;331(6155):440–442. doi: 10.1038/331440a0. [DOI] [PubMed] [Google Scholar]
- Berridge M. J., Irvine R. F. Inositol phosphates and cell signalling. Nature. 1989 Sep 21;341(6239):197–205. doi: 10.1038/341197a0. [DOI] [PubMed] [Google Scholar]
- Chouinard G. Clonazepam in acute and maintenance treatment of bipolar affective disorder. J Clin Psychiatry. 1987 Oct;48 (Suppl):29–37. [PubMed] [Google Scholar]
- Godfrey P. P. Potentiation by lithium of CMP-phosphatidate formation in carbachol-stimulated rat cerebral-cortical slices and its reversal by myo-inositol. Biochem J. 1989 Mar 1;258(2):621–624. doi: 10.1042/bj2580621. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Kennedy E. D., Challiss R. A., Nahorski S. R. Lithium reduces the accumulation of inositol polyphosphate second messengers following cholinergic stimulation of cerebral cortex slices. J Neurochem. 1989 Nov;53(5):1652–1655. doi: 10.1111/j.1471-4159.1989.tb08566.x. [DOI] [PubMed] [Google Scholar]
- Kennedy E. D., Challiss R. A., Ragan C. I., Nahorski S. R. Reduced inositol polyphosphate accumulation and inositol supply induced by lithium in stimulated cerebral cortex slices. Biochem J. 1990 May 1;267(3):781–786. doi: 10.1042/bj2670781. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Kusumi I., Koyama T., Yamashita I. Effect of various factors on serotonin-induced Ca2+ response in human platelets. Life Sci. 1991;48(25):2405–2412. doi: 10.1016/0024-3205(91)90374-k. [DOI] [PubMed] [Google Scholar]
- Kusumi I., Koyama T., Yamashita I. Serotonin-stimulated Ca2+ response is increased in the blood platelets of depressed patients. Biol Psychiatry. 1991 Aug 1;30(3):310–312. doi: 10.1016/0006-3223(91)90114-2. [DOI] [PubMed] [Google Scholar]
- Kusumi I., Koyama T., Yamashita I. Thrombin-induced platelet calcium mobilization is enhanced in bipolar disorders. Biol Psychiatry. 1992 Oct 15;32(8):731–734. doi: 10.1016/0006-3223(92)90305-j. [DOI] [PubMed] [Google Scholar]
- Mauri M. C., Percudani M., Regazzetti M. G., Altamura A. C. Alternative prophylactic treatments to lithium in bipolar disorders. Clin Neuropharmacol. 1990;13 (Suppl 1):S90–S96. doi: 10.1097/00002826-199001001-00011. [DOI] [PubMed] [Google Scholar]
- Nahorski S. R., Ragan C. I., Challiss R. A. Lithium and the phosphoinositide cycle: an example of uncompetitive inhibition and its pharmacological consequences. Trends Pharmacol Sci. 1991 Aug;12(8):297–303. doi: 10.1016/0165-6147(91)90581-c. [DOI] [PubMed] [Google Scholar]
- Pletscher A. Platelets as models: use and limitations. Experientia. 1988 Feb 15;44(2):152–155. doi: 10.1007/BF01952200. [DOI] [PubMed] [Google Scholar]
- Post R. M., Weiss S. R., Chuang D. M. Mechanisms of action of anticonvulsants in affective disorders: comparisons with lithium. J Clin Psychopharmacol. 1992 Feb;12(1 Suppl):23S–35S. doi: 10.1097/00004714-199202001-00005. [DOI] [PubMed] [Google Scholar]
- Prien R. F., Gelenberg A. J. Alternatives to lithium for preventive treatment of bipolar disorder. Am J Psychiatry. 1989 Jul;146(7):840–848. doi: 10.1176/ajp.146.7.840. [DOI] [PubMed] [Google Scholar]
- Sachs G. S. Adjuncts and alternatives to lithium therapy for bipolar affective disorder. J Clin Psychiatry. 1989 Dec;50 (Suppl):31–47. [PubMed] [Google Scholar]
- Whitworth P., Kendall D. A. Lithium selectively inhibits muscarinic receptor-stimulated inositol tetrakisphosphate accumulation in mouse cerebral cortex slices. J Neurochem. 1988 Jul;51(1):258–265. doi: 10.1111/j.1471-4159.1988.tb04865.x. [DOI] [PubMed] [Google Scholar]
- de Chaffoy de Courcelles D., Leysen J. E., De Clerck F., Van Belle H., Janssen P. A. Evidence that phospholipid turnover is the signal transducing system coupled to serotonin-S2 receptor sites. J Biol Chem. 1985 Jun 25;260(12):7603–7608. [PubMed] [Google Scholar]