open access

Vol 46, No 4 (2008)
ORIGINAL PAPERS
Published online: 2009-01-15
Submitted: 2011-12-19
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The effect of Propionibacterium acnes on maturation of dendritic cells derived from acne patients' peripherial blood mononuclear cells.

Anna Michalak-Stoma, Jacek Tabarkiewicz, Alina Olender, Maria Juszkiewicz-Borowiec, Filip Stoma, Aldona Pietrzak, Piotr Pozarowski, Małgorzata Bartkowiak-Emeryk
DOI: 10.2478/v10042-008-0064-x
·
Folia Histochem Cytobiol 2008;46(4):535-539.

open access

Vol 46, No 4 (2008)
ORIGINAL PAPERS
Published online: 2009-01-15
Submitted: 2011-12-19

Abstract

Propionibacterium acnes (P. acnes) has been implicated in the pathogenesis of acne vulgaris which is the most common cutaneous disorder. It has a proinflammatory activity and takes part in immune reactions modulating the Th1/Th2 cellular response. The exposure of dendritic cells (DCs) to whole bacteria, their components, cytokines or other inflammatory stimuli and infectious agents induces differentiation from immature DCs into antigen-presenting mature DCs. The aim of the study was to evaluate the capability of P. acnes to induce the maturation of DCs. We stimulated monocyte derived dendritic cells (Mo-DCs) from acne patients with various concetrations of heat-killed P. acnes (10(6)-10(8) bacteria/ml) cultured from acne lesions. The results showed an increase in CD80+/CD86+/DR+ and CD83+/CD1a+/DR+ cells percentage depending on the concetration of P. acnes. The expression of CD83 and CD80 (shown as the mean fluorescence intensity - MFI) increased with higher concetrations of P. acnes. There were also significant correlations between MFI of CD83, CD80, CD86 and concetration of P. acnes. The study showed that P. acnes in the concetration of 10(8) bacteria/ml is most effective in the induction of Mo-DCs maturation. Futher studies concerning the influence on the function of T cells are needed.

Abstract

Propionibacterium acnes (P. acnes) has been implicated in the pathogenesis of acne vulgaris which is the most common cutaneous disorder. It has a proinflammatory activity and takes part in immune reactions modulating the Th1/Th2 cellular response. The exposure of dendritic cells (DCs) to whole bacteria, their components, cytokines or other inflammatory stimuli and infectious agents induces differentiation from immature DCs into antigen-presenting mature DCs. The aim of the study was to evaluate the capability of P. acnes to induce the maturation of DCs. We stimulated monocyte derived dendritic cells (Mo-DCs) from acne patients with various concetrations of heat-killed P. acnes (10(6)-10(8) bacteria/ml) cultured from acne lesions. The results showed an increase in CD80+/CD86+/DR+ and CD83+/CD1a+/DR+ cells percentage depending on the concetration of P. acnes. The expression of CD83 and CD80 (shown as the mean fluorescence intensity - MFI) increased with higher concetrations of P. acnes. There were also significant correlations between MFI of CD83, CD80, CD86 and concetration of P. acnes. The study showed that P. acnes in the concetration of 10(8) bacteria/ml is most effective in the induction of Mo-DCs maturation. Futher studies concerning the influence on the function of T cells are needed.
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About this article
Title

The effect of Propionibacterium acnes on maturation of dendritic cells derived from acne patients' peripherial blood mononuclear cells.

Journal

Folia Histochemica et Cytobiologica

Issue

Vol 46, No 4 (2008)

Pages

535-539

Published online

2009-01-15

DOI

10.2478/v10042-008-0064-x

Bibliographic record

Folia Histochem Cytobiol 2008;46(4):535-539.

Authors

Anna Michalak-Stoma
Jacek Tabarkiewicz
Alina Olender
Maria Juszkiewicz-Borowiec
Filip Stoma
Aldona Pietrzak
Piotr Pozarowski
Małgorzata Bartkowiak-Emeryk

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