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Release of Cytokines by Stimulated Peripheral Blood Mononuclear Cells (PBMC) From Chronic Periodontitis Subjects

2014-08-27 03:18:52 | BioPortfolio

Summary

Background and Objective: It has been reported that peripheral blood mononuclear cells (PBMC) from periodontal patients have a different profile of cytokine release when compared to the ones of healthy patients. Cigarette smoking is a recognized risk factor for periodontitis and is known to affect the systemic and local immune responses. Thus, the aim of the present study was to obtain preliminary data about the interaction of periodontal condition and smoking in the secretion of some cytokines by PBMC.

Material and Methods: PBMC samples were isolated from 19 donors, divided into generalized chronic periodontitis (P; n=10) and periodontal health (H; n=9) groups. In addition, the smokers and non-smokers of each group were separately evaluated: SP- smokers with severe generalized chronic periodontitis (n=5); SH- periodontally healthy smokers (n=5); NSP- non-smokers with severe generalized chronic periodontitis (n=5) and NSH- periodontally healthy non-smokers (n=4). Cells were incubated for 24-48 hours in 500 µL wells containing RPMI 1640 and stimulated with 1.0 ng/mL of E. coli LPS. Supernatants were used to quantify the amounts of TNF-α, IL-6, IL-8 and IL-10 released using ELISA kits.

Study Design

Observational Model: Case Control, Time Perspective: Cross-Sectional

Conditions

Periodontitis

Location

Faculdade de Odontologia de Piracicaba
Piracicaba
SP
Brazil
13000

Status

Completed

Source

Escola Bahiana de Medicina e Saude Publica

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:18:52-0400

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Medical and Biotech [MESH] Definitions

Inflammation and loss of connective tissues supporting or surrounding the teeth. This may involve any part of the PERIODONTIUM. Periodontitis is currently classified by disease progression (CHRONIC PERIODONTITIS; AGGRESSIVE PERIODONTITIS) instead of age of onset. (From 1999 International Workshop for a Classification of Periodontal Diseases and Conditions, American Academy of Periodontology)

Chronic inflammation and loss of PERIODONTIUM that is associated with the amount of DENTAL PLAQUE or DENTAL CALCULUS present. Chronic periodontitis occurs mostly in adults and was called adult periodontitis, but this disease can appear in young people.

Inflammation and loss of PERIODONTIUM that is characterized by rapid attachment loss and bone destruction in the presence of little local factors such as DENTAL PLAQUE and DENTAL CALCULUS. This highly destructive form of periodontitis often occurs in young people and was called early-onset periodontitis, but this disease also appears in old people.

A periodontal pathogen which is a gram-negative member of BACTEROIDETES. It is implicated in PERIODONTITIS.

A gram-negative gliding bacterium isolated from the oral cavity. It is a pathogen often causing PERIODONTITIS.

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