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BACKGROUND AND OBJECTIVE Receptor activator of nuclear factor-kappaB ligand (RANKL) is responsible for the induction of osteoclastogenesis and bone resorption, whereas its decoy receptor, osteoprotegerin, can directly block this action. Because this dyad of cytokines is crucial for regulating the bone remodelling process, imbalances in their expression may(More)
BACKGROUND Low-dose doxycycline (LDD) is recognized to have non-antimicrobial properties that can therapeutically modulate the host response. The aim of the present randomized, double-blind, placebo-controlled, parallel-arm study was to examine the effectiveness of LDD in combination with non-surgical periodontal therapy, compared to non-surgical(More)
BACKGROUND This study examines the efficacy of azithromycin in combination with non-surgical periodontal therapy on clinical and microbiologic parameters and gingival crevicular fluid (GCF) matrix metalloproteinases-8 (MMP-8) levels over 6 months in patients with severe generalized chronic periodontitis (CP). METHODS Twenty-eight of 36 patients with(More)
BACKGROUND The aim of the present study was to investigate whether chronic periodontitis caused the elevated levels of anti-cardiolipin antibodies (anti-CL) and oxidized low-density lipoprotein (oxLDL) in subjects with essential hypertension. METHODS Seventy-two subjects were categorized as healthy controls, subjects with essential hypertension and(More)
AIMS The aims of this study were to investigate (1) the matrix metalloproteinase-1 (MMP-1) promoter polymorphisms in severe chronic periodontitis (CP), (2) the relationship of periodontal therapy outcome with these genotypes, and (3) the gingival crevicular fluid (GCF) MMP-1 levels-MMP-1 genotype correlation. MATERIAL AND METHODS Genomic DNA was obtained(More)
BACKGROUND Local and systemic inflammatory and immune mechanisms may be implicated in the pathogenesis of the aggressive forms of periodontal disease. Chemokines, monocyte chemoattractant protein-1 (MCP-1) and regulated on activation, normal T cells expressed and secreted RANTES (regulated on activation, normal T cells expressed and secreted), are involved(More)
BACKGROUND The aim of the present study was to investigate the level of transforming growth factor-beta 1 (TGF-beta 1) in gingival crevicular fluid (GCF) samples of cyclosporin A (CsA)-treated patients and to compare the results with control groups. METHODS Fourteen renal transplant patients exhibiting severe CsA-induced gingival overgrowth, 10 patients(More)
BACKGROUND The aetiology and pathogenesis of periodontal disease may involve dysfunctions in the cellular immune responses. The aim of the present study was to study the phenotypic and functional activities of peripheral blood mononuclear cells (PBMC) from 16 patients with generalised aggressive periodontitis (G-AP), 13 patients with chronic periodontitis(More)
Tumor necrosis factor-alpha-converting enzyme (TACE) is a metalloprotease which can shed several cytokines from the cell membrane, including receptor activator of NF-kappaB ligand (RANKL). This study aimed to investigate the hypothesis that TACE would be elevated in the gingival crevicular fluid (GCF) of persons with periodontitis. Total TACE amounts in GCF(More)
AIM Matrix metalloproteinases (MMPs) are involved in periodontal tissue remodeling and degradation. MMP polymorphisms could alter transcription and function of these enzymes. The aim of this study was to investigate MMP-2, MMP-9 and MMP-12 gene polymorphisms in relation to susceptibility to severe chronic periodontitis (CP). METHODS Genomic DNA was(More)