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<a href="http://doi.org/10.1097/01.ALC.0000095636.44770.55" target="_blank" rel="noreferrer">http://doi.org/10.1097/01.ALC.0000095636.44770.55</a>
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Title
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Decreased proopiomelanocortin mRNA in lymphocytes of chronic alcoholics after intravenous human corticotropin releasing factor injection
Publisher
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Alcoholism, Clinical And Experimental Research
Date
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2003
Subject
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Female; Humans; Male; Adult; Aged; Middle Aged; Biomarkers of Pain; Nonparametric; Statistics; RNA; Corticotropin-Releasing Hormone/pharmacology; Alcoholism/blood/metabolism; Lymphocytes/drug effects/metabolism; Messenger/biosynthesis/genetics; Pro-Opiomelanocortin/biosynthesis/genetics
Creator
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Rosenberger P; Muhlbauer E; Weissmuller T; Rommelspacher H; Sinha P; Wernecke KD; Finckh U; Rettig J; Kox WJ; Spies CD
Description
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BACKGROUND: Alcohol abuse may involve an altered neuroendocrine response that mediates lymphocyte-derived proopiomelanocortin (POMC) production and inflammation. We investigated POMC messenger RNA (mRNA) expression in human lymphocytes ex vivo and their relation to plasma ACTH and immunoreactive beta-endorphin (IR-beta-EP) after intravenous injection of human corticotropin releasing factor (hCRF) in chronic alcoholics (n = 12) and nonalcoholics (n = 12) before surgery. Lipopolysaccharide-stimulated interleukin (IL)-1 receptor antagonist (IL-1 Ra) as a marker for chronic inflammation was determined. METHODS: Chronic alcohol abuse was diagnosed according to DSM-IV criteria and alcohol consumption >60 g/day. A reverse transcription-polymerase chain reaction method with total RNA and subsequent solid phase minisequencing was used to quantify lymphocytic POMC mRNA after intravenous hCRF injection. Plasma ACTH, cortisol, and lipopolysaccharide-stimulated IL-1 Ra of monocytes were measured by enzyme-linked immunosorbent assay, and plasma IR-beta-EP was measured by using radioimmunoassay. RESULTS: Baseline values of POMC mRNA content in lymphocytes and IL-1 Ra of chronic alcoholics were significantly increased compared with nonalcoholics (p < 0.01). Thirty minutes after intravenous hCRF injection, a significant increase of lymphocytic POMC mRNA was measured (p < 0.05) in nonalcoholics, whereas in chronic alcoholics a significant decrease was observed (p < 0.05). CONCLUSIONS: Chronic alcoholic patients had an altered neuroendocrine immune axis before intravenous hCRF administration and were not able to adjust to intravenous CRF injection by increasing lymphocytic POMC mRNA expression.
2003
Identifier
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<a href="http://doi.org/10.1097/01.ALC.0000095636.44770.55" target="_blank" rel="noreferrer">10.1097/01.ALC.0000095636.44770.55</a>
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Article information provided for research and reference use only. PedPalASCNET does not hold any rights over the resource listed here. All rights are retained by the journal listed under publisher and/or the creator(s).
Type
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Journal Article
2003
Adult
Aged
Alcoholism, Clinical And Experimental Research
Alcoholism/blood/metabolism
Backlog
Biomarkers of Pain
Corticotropin-Releasing Hormone/pharmacology
Female
Finckh U
Humans
Journal Article
Kox WJ
Lymphocytes/drug effects/metabolism
Male
Messenger/biosynthesis/genetics
Middle Aged
Muhlbauer E
Nonparametric
Pro-Opiomelanocortin/biosynthesis/genetics
Rettig J
RNA
Rommelspacher H
Rosenberger P
Sinha P
Spies CD
Statistics
Weissmuller T
Wernecke KD