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International Poster Journal of Dentistry and Oral Medicine
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Int Poster J Dent Oral Med 7 (2005), No. 3     15. Sep. 2005
Int Poster J Dent Oral Med 7 (2005), No. 3  (15.09.2005)

Poster 281, Language: German


Fallbericht einer Nekrotisierenden Ulzerierenden Parodontitis: Immunhistochemische Untersuchung der Gingiva
Dannewitz, Bettina/Komposch, Gerda/Tomakidi, Pascal/Eickholz, Peter
A case of Necrotizing Ulcerative Periodontitis (NUP), rendering the most severe inflammatory periodontal disorder caused by plaque bacteria is shown. Clinically, the gingiva showed distinct signs of ulceration and radiography revealed horizontal bone loss. Indirect immunofluorescence, carried out on frozen sections of tissue specimens obtained from the NUP lesion exhibited clear expression of atypical Keratin K19 particularly in basal cells, when compared to non-inflamed gingiva.
Moreover, NUP tissue showed extensive intraepithelial abundance for the basement membrane component laminin-1/-10 and the extracellular matrix molecule tenascin. Strong expression of integrin subunit αv and matrix metalloproteinase/MMP-13 in conjunction with IL-1ß further discriminated NUP gingival epithelium from normal tissue. The results suggest that NUP is associated with changes in the expression and topography of the analyzed molecules in the gingival epithelium which in turn may reflect the fast progression of the disease.

Keywords: NUP, Immunhistochemie, K19, Laminin 1/10, IL-1ß, MMP13, Tenascin, Integrin alpha v

Conference/Exhibition:
Jahrestagung der Deutschen Gesellschaft für Parodontologie
08.-11.09.2004
Dresden