Journal of Indian Society of Periodontology
Journal of Indian Society of Periodontology
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Year : 2015  |  Volume : 19  |  Issue : 6  |  Page : 624-627

Evaluation of mRNA expression of the transcription factors of Th1 and Th2 subsets (T-bet and GATA-3) in periodontal health and disease - A pilot study in south Indian population

1 Department of Periodontology and Implantology, G. Pulla Reddy Dental College, Kurnool, Andhra Pradesh, India
2 Department of Periodontology and Implantology, Ragas Dental College, Chennai, Tamil Nadu, India
3 Department of Periodontology and Implantology, Meghana Dental College, Nizamabad, Andhra Pradesh, India

Correspondence Address:
Nichenametla Rajesh
Department of Periodontology and Implantology, G. Pulla Reddy Dental College, Kurnool, Andhra Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-124X.164748

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Background: Based on their respective pro- or anti-inflammatory cytokine profiles, the Th1/Th2 paradigm explains pathogenic mechanisms involved in periodontal disease. Establishment of Th1 and Th2 subsets from a naive T-cell precursor depends on transcriptional regulation. The aim of this study was to compare the expression of master transcription factor regulators T-bet and GATA-3, respectively, to indicate the predominance of Th1 and Th2 subsets in the presence and absence of periodontal disease. Materials and Methods: A gingival tissue biopsy sample was obtained from each of 10 severe periodontitis patients (>5 mm attachment loss) and 10 periodontally healthy patients (no attachment loss). Biopsies were immediately processed by real-time reverse transcriptase polymerase chain reaction and the difference in mRNA expression of T-bet and GATA-3 was assessed for each group. Results: The mRNA expression of T-bet was marginally increased about 1.31-fold in disease, while the GATA-3 levels showed a significant decrease of 4.39-fold in disease. Conclusion: The advanced periodontal lesions lack Th2 cells, which produce anti-inflammatory cytokines. The biopsies were therefore dominated by Th1 cells, which activate macrophages and osteoclasts.

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