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- Title
Class I and II histone deacetylase expression in human chronic periodontitis gingival tissue.
- Authors
Cantley, M. D.; Dharmapatni, A. A. S. S. K.; Algate, K.; Crotti, T. N.; Bartold, P. M.; Haynes, D. R.
- Abstract
Background and Objective Histone deacetylase inhibitors ( HDACi) are being considered to treat chronic inflammatory diseases at low doses. Currently HDACi that are more specific are being developed to target particular HDACs; therefore, this study aimed to determine levels and distribution of class I and II HDAC in human gingival samples obtained from patients with chronic periodontitis. Material and Methods Gingival biopsies were obtained from patients with and without (mild inflammation, no bone loss) periodontitis. Total RNA was isolated for real-time quantitative polymerase chain reaction to determine expression of HDACs 1-10. Immunohistochemistry was used to determine protein distribution of HDACs 1, 5, 8 and 9. Factor VIII, CD3 and tartrate resistant acid phosphatase (TRAP) were detected in serial sections to identify blood vessels, lymphocytes, pre-osteoclasts and osteoclasts cells respectively. Tumour necrosis factor α (TNF-α) expression was also assessed. Results mRNA for HDAC 1, 5, 8 and 9 were significantly upregulated in chronic periodontitis gingival tissues compared to non-periodontitis samples ( p < 0.05). Significantly higher HDAC 1 protein expression was observed in chronic periodontitis samples ( p < 0.05), and was associated with CD3, TRAP and TNF-α-positive cells. HDAC 1, 5, 8 and 9 were expressed strongly by the factor VIII-positive microvasculature in the chronic periodontitis gingival tissues. Conclusions HDAC 1, 5, 8 and 9 expression was higher in gingival tissues from patients with chronic periodontitis compared to non-periodontitis samples. Results suggest that these HDACs could therefore be targeted with specific acting HDACi.
- Subjects
CHRONIC diseases; PERIODONTITIS; GENE expression; GINGIVA; HISTONES; IMMUNOHISTOCHEMISTRY; INFLAMMATION; POLYMERASE chain reaction; TUMOR necrosis factors; MANN Whitney U Test; KRUSKAL-Wallis Test; GENETICS
- Publication
Journal of Periodontal Research, 2016, Vol 51, Issue 2, p143
- ISSN
0022-3484
- Publication type
Article
- DOI
10.1111/jre.12290