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Expression of colony‐stimulating factor 1 and interleukin‐34 in gingival tissue and gingival fibroblasts from periodontitis patients and controls

Background Colony‐stimulating factor 1 (CSF‐1) and interleukin (IL)‐34 are important for the functions of myeloid lineage cells and are involved in several chronic inflammatory conditions associated with tissue degeneration. The aim of this study is to evaluate the expression of CSF‐1 and IL‐34 in g...

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Published in:Journal of periodontology (1970) 2020-06, Vol.91 (6), p.828-835
Main Authors: Clark, Reuben, Zwicker, Stephanie, Bureik, Daniela, Johannsen, Gunnar, Boström, Elisabeth A.
Format: Article
Language:English
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Summary:Background Colony‐stimulating factor 1 (CSF‐1) and interleukin (IL)‐34 are important for the functions of myeloid lineage cells and are involved in several chronic inflammatory conditions associated with tissue degeneration. The aim of this study is to evaluate the expression of CSF‐1 and IL‐34 in gingival tissue and gingival fibroblasts (GF) from patients with periodontitis and controls. Methods Gingival biopsies were obtained from 19 periodontitis patients and 15 controls. Expression of CSF‐1 and IL‐34 in gingival tissue was assessed by western blot and localization by immunohistochemistry. Expression of CSF1 and IL34 mRNA in GF was analyzed by real‐time polymerase chain reaction and protein expression visualized by immunofluorescence stainings. CSF‐1 and IL‐34 secretion from GF was evaluated in response to tumor necrosis factor‐alpha (TNF‐α), IL‐1β, Escherichia coli lipopolysaccharide (Ec‐LPS) and Porphyromonas gingivalis lipopolysaccharide (Pg‐LPS) stimulation, using enzyme‐linked immunosorbent assays. Results CSF‐1 was increased in gingival tissue from periodontitis patients compared with controls (P 
ISSN:0022-3492
1943-3670
1943-3670
DOI:10.1002/JPER.19-0296