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http://purl.uniprot.org/citations/26743937http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/26743937http://www.w3.org/2000/01/rdf-schema#comment"

Background

Many intervertebral disc diseases cause low back pain (LBP). Proinflammatory cytokines and matrix metalloproteinases (MMPs) participate in disc pathology. In this study, we examined levels of serum cytokines and MMPs in human subjects with diagnoses of disc herniation (DH), spinal stenosis (SS), or degenerative disc disease (DDD) relative to levels in control subjects. Comparison between subjects with DH and those with other diagnoses (Other Dx, grouped from SS and DDD) was performed to elaborate a pathological mechanism based on circulating cytokine levels.

Methods

Study participants were recruited from a spine neurosurgery practice (n = 80), a back pain management practice (n = 27), or a control cohort (n = 26). Serum samples were collected before treatment and were assayed by multiplex assays for levels of interleukin (IL)-1β, IL-2, IL-4, IL-6, IL-8, IL-10, IL-12p70, IL-13, interferon-γ, tumor necrosis factor-α, MMP-1, MMP-3, and MMP-9. Inflammatory and degradative mediator levels were compared for subjects with LBP and control subjects, by diagnosis and by treatment groups, controlling for effects of sex, age, and reported history of osteoarthritis. Spearman's correlation coefficient was used to examine relationships with age, body mass index (BMI), symptom duration, and smoking history.

Results

Serum levels of IL-6 were significantly higher in subjects with LBP compared with control subjects. Participants with LBP due to Other Dx had significantly higher levels of IL-6 than DH and controls. Serum levels of MMP-1 were significantly lower in LBP subjects, specifically those with DH, than in control subjects. Positive correlations were found between IL-6 levels and BMI, symptom duration, and age. MMP-1 levels were positively correlated with age.

Conclusions

The findings of the present clinical study are the results of the first examination of circulating cytokine levels in DDD and SS and provide evidence for a more extensive role of IL-6 in disc diseases, where patients with DDD or SS have higher serum cytokine levels than those with DH or control subjects. These findings suggest that LBP subjects have low-grade systemic inflammation, and biochemical profiling of circulating cytokines may assist in refining personalized diagnoses of disc diseases."xsd:string
http://purl.uniprot.org/citations/26743937http://purl.org/dc/terms/identifier"doi:10.1186/s13075-015-0887-8"xsd:string
http://purl.uniprot.org/citations/26743937http://purl.uniprot.org/core/author"Levine M."xsd:string
http://purl.uniprot.org/citations/26743937http://purl.uniprot.org/core/author"Bloom O."xsd:string
http://purl.uniprot.org/citations/26743937http://purl.uniprot.org/core/author"Weber K.T."xsd:string
http://purl.uniprot.org/citations/26743937http://purl.uniprot.org/core/author"Quraishi S."xsd:string
http://purl.uniprot.org/citations/26743937http://purl.uniprot.org/core/author"Sison C.P."xsd:string
http://purl.uniprot.org/citations/26743937http://purl.uniprot.org/core/author"Alipui D.O."xsd:string
http://purl.uniprot.org/citations/26743937http://purl.uniprot.org/core/author"Chahine N.O."xsd:string
http://purl.uniprot.org/citations/26743937http://purl.uniprot.org/core/author"Overby M.C."xsd:string
http://purl.uniprot.org/citations/26743937http://purl.uniprot.org/core/date"2016"xsd:gYear
http://purl.uniprot.org/citations/26743937http://purl.uniprot.org/core/name"Arthritis Res Ther"xsd:string
http://purl.uniprot.org/citations/26743937http://purl.uniprot.org/core/pages"3"xsd:string
http://purl.uniprot.org/citations/26743937http://purl.uniprot.org/core/title"Serum levels of the proinflammatory cytokine interleukin-6 vary based on diagnoses in individuals with lumbar intervertebral disc diseases."xsd:string
http://purl.uniprot.org/citations/26743937http://purl.uniprot.org/core/volume"18"xsd:string
http://purl.uniprot.org/citations/26743937http://www.w3.org/2004/02/skos/core#exactMatchhttp://purl.uniprot.org/pubmed/26743937
http://purl.uniprot.org/citations/26743937http://xmlns.com/foaf/0.1/primaryTopicOfhttps://pubmed.ncbi.nlm.nih.gov/26743937
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