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dc.creatorLukić, A.
dc.creatorVasilijić, Saša
dc.creatorMajstorović, I.
dc.creatorVucević, D.
dc.creatorMojsilović, S.
dc.creatorGazivoda, Dragan
dc.creatorDanilović, Vesna
dc.creatorPetrović, R.
dc.creatorColić, M.
dc.date.accessioned2020-07-02T12:11:29Z
dc.date.available2020-07-02T12:11:29Z
dc.date.issued2006
dc.identifier.issn0143-2885
dc.identifier.urihttps://smile.stomf.bg.ac.rs/handle/123456789/1297
dc.description.abstractAim To analyse phenotypic characteristics of antigen-presenting cells (APC), isolated from human periapical lesions by flow cytometry and immunocytochemistry. Methodology Sixteen periapical lesions were digested for 15 min with 0.05% collagenase. Mononuclear cells, separated from other inflammatory cells by density centrifugation, were processed for flow cytometry and/or immunocytochemistry. Single and double immunostainings were performed using monoclonal antibodies specific for human CD45, CD3, CD19, CD14, HLA-DR, CD1a, CD83 and CD123. Results Antigen-presenting cells (HLA-DR+ cells) represented 32.9 +/- 17.8% of total mononuclear cells. Amongst them, B cells (HLA-DR+ CD19(+)) were the predominant APC population, followed by activated macrophages (HLA-DR+ CD14(+)), dendritic cells (DC) (HLA-DR+ CD14(-) CD19(-) CD3(-)) and activated T cells (HLA-DR+ CD3(+)). Based on the predominance of T cells (CD3(+)) or B cells and plasma cells (CD19(+) and CD19(lo), respectively) amongst mononuclear cell infiltrates, lesions were divided into T- and B-types. The percentage of DC in T-type lesions (27.1 +/- 6.8% of total HLA-DR+ cells) was higher, compared with B-type lesions (10.3 +/- 5.2%) (P lt 0.01). Within the DC population, the percentages of CD1a (Langerhans cell type) and CD123 (probably plasmacytoid DC type) did not differ significantly between the groups (P > 0.05). However, the percentage of mature DC (CD83(+)) was significantly higher in T-type periapical lesions (P lt 0.05). Conclusion Flow cytometry and immunocytochemistry are suitable methods for phenotypic analysis of APC after their isolation from human periapical lesions. APC, that were phenotypically heterogeneous, constituted a significant component of infiltrating cells. Lesions with the predominance of T cells were characterized by a higher proportion of mature DC (HLA-DR(+)CD83(+) cells) than lesions with predominance of B cells/plasma cells.en
dc.publisherWiley, Hoboken
dc.rightsrestrictedAccess
dc.sourceInternational Endodontic Journal
dc.subjectantigen-presenting cellsen
dc.subjectflow cytometryen
dc.subjectimmunocytochemistryen
dc.subjectperiapical lesionsen
dc.subjectphenotypeen
dc.titleCharacterization of antigen-presenting cells in human apical periodontitis lesions by flow cytometry and immunocytochemistryen
dc.typearticle
dc.rights.licenseARR
dcterms.abstractДаниловић, Весна; Цолић, М.; Петровић, Р.; Лукић, A.; Газивода, Драган; Мајсторовић, И.; Мојсиловић, С.; Василијић, Саша; Вуцевић, Д.;
dc.citation.volume39
dc.citation.issue8
dc.citation.spage626
dc.citation.epage636
dc.citation.other39(8): 626-636
dc.citation.rankM22
dc.identifier.wos000238887500004
dc.identifier.doi10.1111/j.1365-2591.2006.01125.x
dc.identifier.pmid16872457
dc.identifier.scopus2-s2.0-33745869444
dc.type.versionpublishedVersion


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