MARK H. GINSBERG, M.D.; MICHAEL O'MALLEY, B.S.
In 13 patients with systemic lupus erythematosus, globulin fractions of sera from serial bleedings were assayed for the induction of serotonin release from normal platelets. Releasing activity appeared at some time in the sera of seven patients, five of whom had episodes of thrombocytopenia. Conversely, only one patient manifested thrombocytopenia without the occurrence of serotonin releasing activity at any time. In three patients with episodes of thrombocytopenia, increases in serotonin releasing activity temporally coincided with drops in platelet count. These data show that levels of circulating platelet serotonin releasing factor(s) vary in the course of systemic lupus erythematosus and these variations may be inversely related to the platelet count in particular patients.
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GINSBERG MH, O'MALLEY M. Serum Factors Releasing Serotonin from Normal Platelets: Relation to the Manifestations of Systemic Lupus Erythematosus. Ann Intern Med. 1977;87:564-567. doi: 10.7326/0003-4819-87-5-564
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Published: Ann Intern Med. 1977;87(5):564-567.
Lupus Erythematosus, Rheumatology.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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