title: Interleukin-1 beta concentration of gingival crevicular fluid.
abstract: The concentration of interleukin-1 beta is elevated in inflamed gingival tissue. Therefore a method for the measurement of interleukin-1 beta (Il-1 beta) in gingival crevicular fluid (GCF) using a commercially available Il-1 beta ELISA was developed. GCF was collected with periopaper strips and 4 protocols of sampling using filter paper strips were tested; the method with a recovery rate of 111.9% (SD: +/- 14.5%) was chosen for subsequent analysis of all samples. Il-1 beta concentration in GCF of periodontitis patients and a healthy control group was determined. Patients (n = 19, mean age: 29.3 years) had not been treated. The healthy control group (n = 14, mean age: 22.8 years) showed, after a hygiene regimen of 2 weeks, no clinical signs of gingival/periodontal inflammation. Probing depth, clinical attachment level, bleeding upon probing, and a modified plaque index were recorded. Il-1 beta could be detected in all GCF samples. The concentration ranged between 22.8 ng/ml and 150 ng/ml in the healthy control group and between 85.8 ng/ml and 882.2 ng/ml in the periodontitis patients. No sex-related differences were noted. According to our present results the determination of GCF Il-1 beta concentration is possible using commercially available test kits if the principle of sample preparation is adapted to the specific requirements of GCF analysis.
authors.affiliation: Department of Prosthetic Dentistry, University of Tuebingen, Germany.
authors.forename: D S
authors.initials: DS
authors.lastname: Preiss
authors.forename: J
authors.initials: J
authors.lastname: Meyle
mesh_terms: D000293:Adolescent; D000328:Adult; D000704:Analysis of Variance; D004797:Enzyme-Linked Immunosorbent Assay; D005260:Female; D005883:Gingival Crevicular Fluid / Q000276:immunology*; D006801:Humans; D007375:Interleukin-1 / Q000032:analysis*; D008297:Male; D010512:Periodontal Index; D010518:Periodontitis / Q000276:immunology*
chemical_list: D007375:Interleukin-1