Objectives: Platelet release of a granule-derived CXC chemokines and dense granule-derived serotonin in plasma samples was evaluated. Methods: Concentrations of the CXC chemokines beta-TG and PF4 were assayed by an enzyme immunoassay; serotonin was measured by an HPLC method. Results: beta-TG and PF4 were more easily released than serotonin by in vitro procedures. Use of the anti-platelet cocktail CTAD and preservation of the samples at 4 degrees C were necessary to accurately measure beta-TG and PF4, but not serotonin. Conclusions: Assaying serotonin may be useful for assessing platelet activation in vivo as a laboratory test because of facile preparation of plasma samples. (C) 2005 The Canadian Society of Clinical Chemists. All rights reserved.
机构:Univ Arkansas Med Sci, Coll Med, Dept Biochem & Mol Biol, Little Rock, AR 72205 USA
Brenner, B.
Harney, J. T.
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机构:Univ Arkansas Med Sci, Coll Med, Dept Biochem & Mol Biol, Little Rock, AR 72205 USA
Harney, J. T.
Ahmed, B. A.
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机构:Univ Arkansas Med Sci, Coll Med, Dept Biochem & Mol Biol, Little Rock, AR 72205 USA
Ahmed, B. A.
Jeffus, B. C.
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机构:Univ Arkansas Med Sci, Coll Med, Dept Biochem & Mol Biol, Little Rock, AR 72205 USA
Jeffus, B. C.
Unal, R.
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机构:Univ Arkansas Med Sci, Coll Med, Dept Biochem & Mol Biol, Little Rock, AR 72205 USA
Unal, R.
Mehta, J. L.
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Mehta, J. L.
Kilic, F.
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Univ Arkansas Med Sci, Coll Med, Dept Biochem & Mol Biol, Little Rock, AR 72205 USAUniv Arkansas Med Sci, Coll Med, Dept Biochem & Mol Biol, Little Rock, AR 72205 USA
机构:
Clinic of Gastroenterology and Hepatology, Institute of Digestive DiseasesClinic of Gastroenterology and Hepatology, Institute of Digestive Diseases
■or■e M ulafi
Duko S Mirkovi
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Clinic of Gastroenterology and Hepatology, Institute of Digestive DiseasesClinic of Gastroenterology and Hepatology, Institute of Digestive Diseases
Duko S Mirkovi
Miodrag D Vukevi
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Clinic of Gastroenterology and Hepatology, Institute of Digestive DiseasesClinic of Gastroenterology and Hepatology, Institute of Digestive Diseases
Miodrag D Vukevi
Jelena S Rudi
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Clinic of Gastroenterology and Hepatology, Institute of Digestive DiseasesClinic of Gastroenterology and Hepatology, Institute of Digestive Diseases
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Univ Arkansas Med Sci, Coll Med, Dept Biochem, Little Rock, AR 72205 USA
Univ Arkansas Med Sci, Coll Med, Dept Mol Biol, Little Rock, AR 72205 USAUniv Arkansas Med Sci, Coll Med, Dept Biochem, Little Rock, AR 72205 USA
Lowery, Curtis Lee, III
Woulfe, Donna
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Univ Delaware, Dept Biol Sci, Newark, DE USAUniv Arkansas Med Sci, Coll Med, Dept Biochem, Little Rock, AR 72205 USA
Woulfe, Donna
Kilic, Fusun
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Univ Arkansas Med Sci, Coll Med, Dept Biochem, Little Rock, AR 72205 USA
Univ Arkansas Med Sci, Coll Med, Dept Mol Biol, Little Rock, AR 72205 USAUniv Arkansas Med Sci, Coll Med, Dept Biochem, Little Rock, AR 72205 USA