Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/133963
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dc.titleresting and thrombin-stimulated cytosolic calcium in platelets of patients with alcoholic withdrawal, bipolar manic disorder and chronic schizophrenia
dc.contributor.authorTan, C.H.
dc.contributor.authorLee, H.S.
dc.contributor.authorKua, E.H.
dc.contributor.authorPen, L.H.
dc.date.accessioned2016-12-20T08:41:58Z
dc.date.available2016-12-20T08:41:58Z
dc.date.issued1995-04-14
dc.identifier.citationTan, C.H., Lee, H.S., Kua, E.H., Pen, L.H. (1995-04-14). resting and thrombin-stimulated cytosolic calcium in platelets of patients with alcoholic withdrawal, bipolar manic disorder and chronic schizophrenia. Life Sciences 56 (21) : 1817-1823. ScholarBank@NUS Repository.
dc.identifier.issn00243205
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/133963
dc.description.abstractCytosolic calcium concentration ([Ca2+]i) in platelets during resting state and when stimulated by thrombin were measured in 7 alcoholic dependent patients in the state of withdrawal (AW) who were receiving diazepam, 7 bipolar manic patients (BM) who were receiving haloperidol, 15 drug free chronic schizophrenic patients (CS) and 26 normal controls (NC). Resting [Ca2+]i in these groups were quite similar at (mean ± SEM) 112 ± 20 nM, 127 ± 18 nM, 103 ± 16 nM and 106 ± 8 nM respectively. Increase in platelet [Ca2+]i in response to 0. l U/ml thrombin was expressed as A[Ca2+]i and its percentage over resting [Ca2+]i as %[Ca2+]i Both Δ[Ca2+]i and %[Ca2+]i were significantly higher (p = 0.006 and 0.0045 respectively, ANOVA, Waller-Duncan) in AW (433 ± 71 nM, 417 ± 58%) than the other groups: NC (223 ± 25 nM, 225 ± 23%), BM (309 ± 38 nM, 260 ± 31%), and CS (261 ± 34 nM, 280 ± 29%) respectively. In vitro incubation of platelets from NC with diazepam or haloperidol did not affect the resting [Ca2+]i and %[Ca2+]i. The enhanced [Ca2+]i response to thrombin in platelets of AW is unlikely to be due to diazepam. It may indicate an abnormality in platelets during the withdrawal phase. Treatment with haloperidol resulted in slightly higher [Ca2+]i in platelets of BM. Platelet [Ca2+]i in drug-free CS was not different from NC. © 1995.
dc.subjectalcohol withdrawal
dc.subjectbipolar manic disorder
dc.subjectchronic schizophrenia
dc.subjectplatelet cytosolic calcium
dc.typeArticle
dc.contributor.departmentPHARMACOLOGY
dc.description.sourcetitleLife Sciences
dc.description.volume56
dc.description.issue21
dc.description.page1817-1823
dc.description.codenLIFSA
dc.identifier.isiutNOT_IN_WOS
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