Evaluation of the effect of oleuropein on alveolar bone loss, inflammation, and apoptosis in experimental periodontitis      
Yazarlar (5)
Doç. Dr. Mehmet Murat TAŞKAN Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Prof. Dr. Hatice BALCI YÜCE Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Doç. Dr. Özkan KARATAŞ Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Prof. Dr. Fikret GEVREK Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Hülya Toker
Sağlık Bilimleri Üniversitesi, Türkiye
Makale Türü Özgün Makale
Makale Alt Türü SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale
Dergi Adı JOURNAL OF PERIODONTAL RESEARCH
Dergi ISSN 0022-3484 Wos Dergi Scopus Dergi
Dergi Tarandığı Indeksler SCI
Makale Dili İngilizce
Basım Tarihi 06-2019
Cilt No 54
Sayı 6
Sayfalar 624 / 632
DOI Numarası 10.1111/jre.12662
Özet
The present study aimed to evaluate the effects of oleuropein on ligature-induced alveolar bone loss. In this respect, osteoblastic activity, osteoclastic activity, inflammatory markers, and apoptosis were evaluated. Oleuropein is a flavonoid, which has potent anti-inflammatory and bone-protective effects. Thirty-two Wistar rats were divided into four experimental groups as following: control (C, n = 8) group; periodontitis (P, n = 8) group; periodontitis and low-dose oleuropein group (12 mg/kg/day oleuropein, LDO group, n = 8); and periodontitis and high-dose oleuropein group (24 mg/kg/day oleuropein, HDO group, n = 8). Periodontitis was induced via ligatures. Study period was 14 days, and animals were sacrificed at end of this period. Mandibles were examined via a stereomicroscope and underwent histological procedures. Osteoblast, tartrate-resistant acid phosphatase (TRAP)-positive osteoclast, and inflammatory cell counts were determined in hematoxylin-eosin stained sections. Inducible nitric oxide synthase (iNOS), bone morphogenetic protein-4, the cluster of differentiation (CD)-68, cysteine-aspartic proteases-3 (Caspase 3), and B-cell lymphoma-2 (Bcl-2) expressions were evaluated via immunohistochemistry. Periodontitis group had highest alveolar bone loss, and these levels significantly decreased in LDO and HDO groups. Both 12 and 24 mg/kg oleuropein groups significantly increased osteoblast cell counts and decreased TRAP-positive osteoclast and inflammatory cell counts. BMP-4 and bcl-2 expressions were elevated in oleuropein groups while caspase-3 expressions decreased. iNOS and CD68 were higher in periodontitis group compared to control group, but there was no significant difference between other groups. Oleuropein successfully decreased alveolar bone loss as a result of decreased osteoclastic activity, inflammation, and apoptosis and increased osteoblastic activity.
Anahtar Kelimeler
alveolar bone | BMP-4 | CD-68 | experimental periodontitis | oleuropein | TRAP