Heterogeneity of dendritic cells in rat apical periodontitis.

Heterogeneity of dendritic cells in rat apical periodontitis. Research Abstract Details 

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Heterogeneity of dendritic cells in rat apical periodontitis. Abstract Text:

Tomoatsu Kaneko,Takashi Okiji,Lying Zhao,Renelson Esgeurra,Hideaki Suda,

Dendritic cells are important for the induction of T-lymphocyte-mediated immunity by acting as antigen-presenting cells. We have previously reported that dendritic cells are prevalent in the chronic non-expanding phase of rat apical periodontitis. To characterize these cells further, immunoelectron microscopy with three dendritic cell markers (CD11c, OX6, OX62) was conducted for samples from rat models of apical periodontitis. Dendritic cells were divided into two types (type I or type II). Most of the type I dendritic cells expressed CD11c, showed an irregular large profile, had typical cytoplasmic processes, and were recognized as the major dendritic cell population. Most of the type II dendritic cells expressed OX62, showed oval small profiles with a few thin short processes, and were sometimes observed infiltrating from blood vessels. Cell-to-cell contacts between type I dendritic cells and lymphocytes were the most frequently observed associations. These results suggest that dendritic cells are composed of heterogeneous populations that exhibit different phenotypes, morphologies, and maturation/differentiation/activation.

Heterogeneity of dendritic cells in rat apical periodontitis. Publishing Authors By Initials

T Kaneko,T Okiji,L Zhao,R Esgeurra,H Suda,

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Heterogeneity of dendritic cells in rat apical periodontitis. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Cell and tissue research

VOLUME: 331

Page Numbers: 617-23

Journal Abbreviation: Cell Tissue Res.

ISSN: 0302-766X

DAY: 17

MONTH: 10

YEAR: 2006

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LANGUAGE: eng

NlmUniqueID: 417625

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Grant and Affiliation Information for Heterogeneity of dendritic cells in rat apical periodontitis.

AFFILIATION: Pulp Biology and Endodontics, Graduate School, Tokyo Medical and Dental University, Yushima 1-5-45, Bunkyo-Ku, Tokyo, 113-8549, Japan, tomoendo@tmd.ac.jp.

Country: Germany

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MEDLINETA: Cell Tissue Res

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