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    Elevated matrix metalloproteinase-8 in saliva and serum in polycystic ovary syndrome and association with gingival inflammation
    (SAGE Publications Ltd, 2015) Akcall A.; Bostanci N.; Özçaka Ö.; Öztürk-Ceyhan B.; Gümüş P.; Tervahartiala T.; Husu H.; Buduneli N.; Sorsa T.; Belibasakis G.N.
    This study aimed to investigate the levels of matrix metalloproteinase-8 (MMP-8) and tissue inhibitors of MMP-1 (TIMP-1) in saliva and serum samples of women with polycystic ovary syndrome (PCOS; n = 80) and matched systemically healthy controls (n = 45), with varying degrees of gingival inflammation. Salivary levels of MMP-8 and the MMP-8/TIMP-1 ratio were significantly elevated in women with PCOS, who also exhibited more gingivitis than systemically healthy women. No major changes were observed in salivary TIMP-1 levels with regard to PCOS. Serum levels of MMP-8 and the MMP-8/TIMP-1 ratio were significantly higher in women with PCOS, irrespective of the presence of gingivitis, while there were no differences in TIMP-1 levels. A positive correlation was indicated between probing depth, bleeding on probing, plaque index and salivary or serum MMP-8 levels or MMP-8/TIMP-1 ratio in the case of PCOS, while a negative such correlation was revealed for TIMP-1 in systemically healthy women. Increased levels of MMP-8 in saliva and serum seem to be more pronounced in women with PCOS, and potentiated in the presence of gingival inflammation. Alterations in MMP/TIMP system triggered by local and systemic inflammation may be implicated in the pathogenesis of PCOS, or the deterioration of its clinical presentation. © The Author(s) 2015.
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    Gingival inflammation & salivary or serum granulocyte-secreted enzymes in patients with polycystic ovary syndrome
    (American Academy of Periodontology, 2017) Akcali A.; Bostanci N.; Özçaka O.; Gümüş P.; Öztürk-Ceyhan B.; Tervahartiala T.; Husu H.; Buduneli N.; Sorsa T.; Belibasakis G.N.
    Background: The objective of this cross-sectional study is to investigate levels of salivary and serum matrix metalloproteinase (MMP)-9, myeloperoxidase (MPO), neutrophil elastase (NE), and MMP-9/tissue inhibitor of MMP-1 (TIMP)-1 ratio in patients with polycystic ovary syndrome (PCOS) and systemically healthy controls in the presence or absence of gingivitis. Methods: Serum and salivary levels of these biomarkers were evaluated in the following: 1) periodontally healthy women with PCOS (n = 45); 2) women with PCOS and gingivitis (n = 35); 3) systemically and periodontally healthy women (n = 25); and 4) systemically healthy women with gingivitis (n = 20). Enzyme-linked immunosorbent assay was used to determine levels of these biomarkers. A fullmouth clinical periodontal evaluation was performed for each patient. Results: Salivary MMP-9 and NE levels, as well as MMP-9/TIMP-1 ratios, were higher in the systemically healthy women with gingivitis compared with periodontally healthy women with PCOS (P <0.001; P <0.01; and P <0.0001, respectively). Serum MMP-9 and MPO levels were higher in women with PCOS and gingivitis compared with periodontally healthy women with PCOS (P <0.05). Serum MMP-9 levels were lower in healthy women with gingivitis than systemically and periodontally healthy women or women with PCOS and gingivitis (P <0.05). PCOS groups exhibited a positive correlation among clinical periodontal parameters and serum MMP-9 levels or salivary MPO, NE levels, and MMP-9/MMP-1 ratio. Correlation was negative among clinical periodontal parameters and serum MMP-9 levels and MMP-9/TIMP-1 ratio in systemically healthy patients (P <0.05). Conclusions: The present findings emphasize that PCOS and gingival inflammation are associated with each other, as evidenced by salivary and serum levels of neutrophilic enzymes. This interaction may contribute to the perturbation of ovarian remodeling in PCOS. J Periodontol 2017;88:1145-1152.