Determination of free choline in plasma and erythrocyte samples and choline derived from membrane phosphatidylcholine by a chemiluminescence method

A sensitive chemiluminescence method for assay of choline which has been developed for analysis of erythrocyte and plasma levels of choline is reported here. This method includes a charcoal purification step which yields consistent results with plasma and erythrocyte extracts. Further, choline deriv...

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Veröffentlicht in:Analytical biochemistry 1986, Vol.152 (1), p.178-182
Hauptverfasser: Das, Indrajit, de Belleroche, Jacqueline, Moore, Christopher J., Clifford Rose, Frank
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container_end_page 182
container_issue 1
container_start_page 178
container_title Analytical biochemistry
container_volume 152
creator Das, Indrajit
de Belleroche, Jacqueline
Moore, Christopher J.
Clifford Rose, Frank
description A sensitive chemiluminescence method for assay of choline which has been developed for analysis of erythrocyte and plasma levels of choline is reported here. This method includes a charcoal purification step which yields consistent results with plasma and erythrocyte extracts. Further, choline derived from membrane phosphatidylcholine may also be measured by an extension of this method following digestion with phospholipase D. This method has been used to study abnormal levels of erythrocyte choline that occur in cluster headache patients compared to control subjects and migraine patients. In addition, the time course of changes in plasma and erythrocyte choline following a fatty meal have been monitored. Plasma choline levels rise to a maximum between 1 and 3 h after the meal and this is followed by a rise in erythrocyte choline levels which are maximal 3 h after the meal.
doi_str_mv 10.1016/0003-2697(86)90138-7
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This method includes a charcoal purification step which yields consistent results with plasma and erythrocyte extracts. Further, choline derived from membrane phosphatidylcholine may also be measured by an extension of this method following digestion with phospholipase D. This method has been used to study abnormal levels of erythrocyte choline that occur in cluster headache patients compared to control subjects and migraine patients. In addition, the time course of changes in plasma and erythrocyte choline following a fatty meal have been monitored. Plasma choline levels rise to a maximum between 1 and 3 h after the meal and this is followed by a rise in erythrocyte choline levels which are maximal 3 h after the meal.</abstract><cop>San Diego, CA</cop><pub>Elsevier Inc</pub><pmid>3954039</pmid><doi>10.1016/0003-2697(86)90138-7</doi><tpages>5</tpages></addata></record>
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source MEDLINE; ScienceDirect Journals (5 years ago - present)
subjects Applied sciences
assays
chemiluminescence
Cholesterol - blood
choline
Choline - blood
Dietary Fats - pharmacology
erythrocytes
Erythrocytes - analysis
Exact sciences and technology
Humans
Luminescent Measurements
man
Membrane Lipids - metabolism
Other techniques and industries
phosphatidylcholine
Phosphatidylcholines - metabolism
Phosphorus - blood
plasma
Plasma - analysis
title Determination of free choline in plasma and erythrocyte samples and choline derived from membrane phosphatidylcholine by a chemiluminescence method
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