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Text
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<a href="http://doi.org/10.1097/00002508-200207000-00008" target="_blank" rel="noreferrer">http://doi.org/10.1097/00002508-200207000-00008</a>
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Title
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Peripheral blood mononuclear cell beta-endorphin concentration is decreased in chronic fatigue syndrome and fibromyalgia but not in depression: preliminary report
Publisher
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The Clinical Journal Of Pain
Date
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2002
Subject
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Female; Humans; Male; Adult; Sensitivity and Specificity; Reproducibility of Results; Biomarkers of Pain; Diagnosis; Differential; Leukocytes; Mononuclear/immunology/metabolism; Fatigue Syndrome; beta-Endorphin/blood/immunology/metabolism; Chronic/blood/diagnosis/immunology; Depression/blood/diagnosis; Fibromyalgia/blood/diagnosis/immunology
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Panerai AE; Vecchiet J; Panzeri P; Meroni P; Scarone S; Pizzigallo E; Giamberardino MA; Sacerdote P
Description
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OBJECTIVE: The aim of this study was to examine the possible role of the immune system in the pathophysiology of chronic fatigue syndrome and fibromyalgia syndrome and in the differential diagnosis of depression by investigating changes in peripheral blood mononuclear cell levels of beta-endorphin, an endogenous opioid known to be involved in regulation of the immune system function. DESIGN: Beta-endorphin concentrations were measured by radioimmunoassay in peripheral blood mononuclear cells from healthy controls (n = 8) and patients with chronic fatigue syndrome (n = 17), fibromyalgia syndrome (n = 5), or depression (n = 10). RESULTS: Beta-endorphin concentrations were significantly lower in patients with chronic fatigue syndrome or fibromyalgia syndrome than in normal subjects and depressed patients (p <0.001 and p <0.01, respectively). They were significantly higher in depressed patients than in controls (p <0.01). CONCLUSIONS: Evaluation of peripheral blood mononuclear cell beta-endorphin concentrations could represent a diagnostic tool for chronic fatigue syndrome and fibromyalgia and help with differential diagnosis of these syndromes versus depression. The results obtained are also consistent with the hypothesis that the immune system is activated in both chronic fatigue syndrome and fibromyalgia syndrome.
2002
Identifier
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<a href="http://doi.org/10.1097/00002508-200207000-00008" target="_blank" rel="noreferrer">10.1097/00002508-200207000-00008</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
2002
Adult
Backlog
beta-Endorphin/blood/immunology/metabolism
Biomarkers of Pain
Chronic/blood/diagnosis/immunology
Depression/blood/diagnosis
Diagnosis
Differential
Fatigue Syndrome
Female
Fibromyalgia/blood/diagnosis/immunology
Giamberardino MA
Humans
Journal Article
Leukocytes
Male
Meroni P
Mononuclear/immunology/metabolism
Panerai AE
Panzeri P
Pizzigallo E
Reproducibility of Results
Sacerdote P
Scarone S
Sensitivity and Specificity
The Clinical Journal Of Pain
Vecchiet J