Günbatan, Murat

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Murat GUNBATAN
Murat GÜNBATAN
Murat Gunbatan
M., Günbatan
GÜNBATAN Murat
Gunbatan, M.
Günbatan, M.
Gunbatan Murat
Günbatan, Murat
Gunbatan, Murat
Günbatan Murat
Murat, Günbatan
GUNBATAN Murat
Murat Günbatan
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Dr.Öğr.Üyesi
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murat.gunbatan@okan.edu.tr
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Scholarly Output

2

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2

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2

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    Article
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    Could Local Application of Hypoxia Inducible Factor 1-α Enhancer Deferoxamine Be Promising for Preventing of Medication-Related Osteonecrosis of the Jaw?
    (Mdpi, 2023) Yalcin-Ulker, Gul Merve; Gunbatan, Murat; Duygu, Gonca; Soluk-Tekkesin, Merva; Ozcakir-Tomruk, Ceyda; Ağız,Diş ve Çene Cerrahisi / Oral, Dental and Maxillofacial Surgery
    This experimental study investigates the prophylactic effect of deferoxamine (DFO) on medication-related osteonecrosis of the jaw (MRONJ). Thirty-six female Sprague Dawley rats received zoledronic acid (ZA) for eight weeks to create an osteonecrosis model. DFO was locally applied into the extraction sockets with gelatin sponge (GS) carriers to prevent MRONJ. The specimens were histopathologically and histomorphometrically evaluated. Hypoxia-inducible factor 1-alpha (HIF-1 alpha) protein levels in the extraction sockets were quantified. New bone formation rate differed significantly between groups (p = 0.005). Newly formed bone ratios in the extraction sockets did not differ significantly between the control group and the GS (p = 1), GS/DFO (p = 0.749), ZA (p = 0.105), ZA-GS (p = 0.474), and ZA-GS/DFO (p = 1) groups. While newly formed bone rates were higher in the ZA-GS and ZA-GS/DFO groups than in the ZA group, the differences were not significant. HIF-1 alpha levels differed significantly between groups (p < 0.001) and were significantly higher in the DFO and ZA-GS/DFO groups than in the control group (p = 0.001 and p = 0.004, respectively). While HIF-1 alpha levels were higher in the ZA-GS/DFO group than in the ZA group, the difference was not significant. While HIF-1 alpha protein levels and new bone formation rate were elevated in the DFO-treated group, the effect was not significant. Further large-scale studies are needed to understand DFO's preventative effects on MRONJ and the role of HIF-1 alpha in MRONJ pathogenesis.
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    Article
    Citation Count: 2
    Evaluation of Preventive Role of Systemically Applied Erythropoietin after Tooth Extraction in a Bisphosphonate-Induced MRONJ Model
    (Mdpi, 2023) Duygu, Gonca; Yalcin-Ulker, Guel Merve; Gunbatan, Murat; Soluk-Tekkesin, Merva; Ozcakir-Tomruk, Ceyda; Ağız,Diş ve Çene Cerrahisi / Oral, Dental and Maxillofacial Surgery
    Background and Objectives: In this experimental study, the prophylactic effect of systemically administered erythropoietin (EPO) in medication-related osteonecrosis of the jaw (MRONJ) was evaluated. Materials and Methods: The osteonecrosis model was established using 36 Sprague Dawley rats. EPO was systemically applied before and/or after tooth extraction. Groups were formed based on the application time. All samples were evaluated histologically, histomorphometrically, and immunohistochemically. A statistically significant difference in new bone formation was observed between the groups (p < 0.001). Results: When new bone-formation rates were compared, no significant differences were observed between the control group and the EPO, ZA+PostEPO, and ZA+Pre-PostEPO groups (p = 1, 0.402, and 1, respectively); however, this rate was significantly lower in the ZA+PreEPO group (p = 0.021). No significant differences in new bone formation were observed between the ZA+PostEPO and ZA+PreEPO groups (p = 1); however, this rate was significantly higher in the ZA+Pre-PostEPO group (p = 0.009). The ZA+Pre-PostEPO group demonstrated significantly higher intensity level in VEGF protein expression than the other groups (p < 0.001). Conclusions: Administering EPO two weeks pre-extraction and continuing EPO treatment for three weeks post-extraction in ZA-treated rats optimized the inflammatory reaction, increased angiogenesis by inducing VEGF, and positively affected bone healing. Further studies are needed to determine the exact durations and doses.