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Faculty of Medicine
Document Details
Document Type
:
Article In Journal
Document Title
:
Glutamine and glucose metabolism in human peripheral lymphocytes
Glutamine and glucose metabolism in human peripheral lymphocytes
Subject
:
Biochemistry
Document Language
:
English
Abstract
:
The metabolism of glutamine and glucose in resting and concanavalin A-stimulated human peripheral lymphocytes was investigated. Glutamine was metabolized at a high rate by resting and mitogen-stimulated human peripheral lymphocytes and the major end-products of glutamine metabolism were glutamate, aspartate, CO2, and ammonia: the carbon from glutamine may contribute about 21% to respiration. Concanavalin A enhanced the formation of all end-products except glutamate, indicating that more glutamine was metabolized beyond the stage of glutamate in the mitogen-stimulated cells. Mitogenic stimulation caused an increase in the rates of glucose utilization, lactate production and 14CO2 from variously labeled [14C] glucose. Concanavalin A caused an increase in the oxidation of pyruvate as indicated by the enhanced release of 14CO2 from [2-14C]-, [3,4-14C]-, and [6-14C]-glucose. When both glucose and glutamine were presented to the cells, the rates of utilization of both substrates increased and the increased rates of glucose and glutamine utilization could be accounted for mainly by increased rates of lactate and glutamate production, respectively
ISSN
:
0026-0495
Journal Name
:
Metabolism
Volume
:
37
Issue Number
:
1
Publishing Year
:
1408 AH
1988 AD
Article Type
:
Article
Added Date
:
Saturday, December 3, 2011
Researchers
Researcher Name (Arabic)
Researcher Name (English)
Researcher Type
Dr Grade
Email
محمد العرضاوي
Ardawi, Mohammed
Researcher
Doctorate
Files
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Description
31498.pdf
pdf
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