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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Immunoexpression of Angiogenesis, Nitric Oxide Synthase, and Proliferation Markers in Gingival Samples of Patients With Aggressive and Chronic Periodontitis

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Author(s):
Artese, Luciano [1] ; Piattelli, Adriano [1] ; de Gouveia Cardoso, Luciana Aparecida [2] ; Ferrari, Daniel S. [2] ; Onuma, Tatiana [2, 1] ; Piccirilli, Marcelo ; Faveri, Marcelo [2] ; Perrotti, Vittoria [1] ; Simion, Maciej [3, 1] ; Shibli, Jamil Awad [2]
Total Authors: 10
Affiliation:
[1] Univ G dAnnunzio, Sch Dent, Chieti - Italy
[2] Univ Guarulhos, Dent Res Div, Dept Periodontol, Guarulhos, SP - Brazil
[3] Univ Kiel, Sch Med, Kiel - Germany
Total Affiliations: 3
Document type: Journal article
Source: Journal of Periodontology; v. 81, n. 5, p. 718-726, MAY 2010.
Web of Science Citations: 25
Abstract

Background: In periodontal tissues, angiogenesis seems to be important for the maintenance of healthy tissues and in periodontal diseases. Angiogenesis is regulated through a complex interplay of molecular signals mediated by growth factors involving extracellular matrix remodeling, endothelial cell migration and proliferation, capillary differentiation and anastomosis. However, the influence of angiogenesis in the development, progression, and healing of periodontal lesions is currently under investigation. This immunohistochemical study evaluates the expression of vascular endothelial growth factor (VEGF), microvessel density (MVD), nitric oxide synthase (NOS) 1 and 3, and Ki-67 in gingival tissues of patients with aggressive and chronic periodontitis. Methods: Twenty-seven human gingival biopsies were taken from patients with chronic periodontitis (n = 14 patients), generalized aggressive periodontitis (n = 6 patients), and healthy periodontia (n = 7 patients). The specimens were immunohistochemically stained for VEGF, MVD, NOS 1 and 3, and Ki-67. Results: The levels of VEGF, MVD, NOS 1 and 3, and Ki-67 were found to be significantly different among groups (P > 0.001). Patients with aggressive periodontitis had higher levels of these markers compared to those in patients with chronic periodontitis and healthy patients. Conclusions: The analysis demonstrates a higher expression of all immunologic markers particularly in subjects with aggressive periodontitis. In summary, the data from this pilot investigation suggests that VEGF is an important factor in the pathogenesis of the aggressive and chronic forms of periodontitis. J Periodontol 2010;81:718-726. (AU)