Yazar "Ayas, Bulent" için listeleme
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Assessment of Vascular Endothelial Growth Factor and Matrix Metalloproteinase-9 in the Periodontium of Rats Treated With Atorvastatin
Balli, Umut; Keles, Gonca Cayir; Cetinkaya, Burcu Ozkan; Mercan, Ugur; Ayas, Bulent; Erdogan, Deniz (Wiley, 2014)Background: The aim of this study is to examine, for the first time, the role of systemic and local atorvastatin application on periodontium using histomorphometric and immunohistochemical analysis during and after ... -
Biochemical Analysis of Pentraxin 3 and Fibrinogen Levels in Experimental Periodontitis Model
Keles, Gonca Cayir; Balli, Umut; Cetinkaya, Burcu Ozkan; Ayas, Bulent; Findik, Arzu; Keles, Zeynep Pinar; Pamuk, Ferda (Hindawi Ltd, 2012)Objective. Pentraxin 3 (PTX3), newly discovered inflammation marker, is a member of acute-phase proteins. The hypothesis, synthesis of gingival tissue and serum PTX-3 increases in the experimental periodontitis model (with ... -
Chromosomal and Y-chromosome microdeletion analysis in 1,300 infertile males and the fertility outcome of patients with AZFc microdeletions
Abur, Ummet; Gunes, Sezgin; Asci, Ramazan; Altundag, Engin; Akar, Omer S.; Ayas, Bulent; Ogur, Gonul (Wiley, 2019)The present study investigated the frequency of chromosome aberrations and AZF microdeletions in infertile patients with nonobstructive azoospermia (NOA) or severe oligozoospermia. Additionally, the effect of the AZFc ... -
Comparison of the proliferative activity in gingival epithelium after surgical treatments of intrabony defects with bioactive glass and bioabsorbable membrane
Cetinkaya, Burcu Ozkan; Keles, Gonca Cayir; Ayas, Bulent; Aydin, Oguz; Kirtiloglu, Tugrul; Acikgoz, Gokhan (Springer Heidelberg, 2007)Guided tissue regeneration is based on preventing the more rapidly proliferating epithelium from growing into the periodontal defect after surgical procedures incorporating barrier membranes. The aim of this study was to ... -
Cos Effective and Efficient Approaches for Applying Stereological Methods
Ayas, Bulent; Kormaz, Adnan; Gurgor, Pinar Naile (Anka Publisher, 2012)Stereology is an essential tool to drive accurate quantitative information from sectioned material, yet the specialized equipment required for its implementation is not readily accessible to most laboratories or too costly ... -
Cost-effectiveness of GnRH antagonist implementation on hCG injection day
Ozdemir, Ayse Zehra; Ayas, Bulent; Guven, Davut; Turkmen, Aysun; Gulumser, Cagri (Galenos Yayincilik, 2019)Objective: To compare the outcomes of antagonist stimulation protocols and to compare the cost effectiveness. Materials and Methods: Between 2011 and December 2017, a total of 354 women who underwent intracytoplasmic sperm ... -
The Effect of "Minimally Invasive Transfer of Angiosomes" on Vascularization of Prefabricated/Prelaminated Tissues
Demirtas, Yener; Engin, Murat Sinan; Aslan, Ozan; Ayas, Bulent; Karacalar, Ahmet (Lippincott Williams & Wilkins, 2010)Prefabrication and prelamination are experimental and clinical applications of reconstructive surgery and inspired the vascularization challenge of engineered tissues. The purpose of this study is to test the efficiency ... -
The effect of cyclosporin A on alveolar bone in rats subjected to experimental periodontal disease
Cetinkaya, Burcu Ozkan; Acikgoz, Gokhan; Keles, Gonca Cayir; Ayas, Bulent; Korkmaz, Adnan (Taylor & Francis Inc, 2006)Cyclosporine A (CsA), broadly used in organ transplantation, may contribute to pathogenesis of osteoporosis. The aim of this study was to investigate the effects of CsA on alveolar bone in rats subjected or not to experimental ... -
Effects of grape seed extract on periodontal disease: an experimental study in rats
Ozden, Feyza Otan; Sakallioglu, Elif Eser; Sakallioglu, Umur; Ayas, Bulent; Erisgin, Zuleyha (Univ Sao Paulo Fac Odontologia Bauru, 2017)Natural compounds capable of modulating the host response have received considerable attention, and herbal products are suggested as adjunctive agents in periodontal disease treatment. Objective: This study aimed to ... -
Effects of Risedronate on Alveolar Bone Loss and Angiogenesis: A Stereologic Study in Rats
Cetinkaya, Burcu Ozkan; Keles, Gonca Cayir; Ayas, Bulent; Gurgor, Pinar (Wiley, 2008)Background: The present study was designed to evaluate the effects of risedronate, one of the most potent bisphosphonates, on alveolar bone resorption and angiogenesis in rats with experimental periodontitis to identify ... -
Embryo flash migration in fresh and frozen embryo transfers for day 3 and day 5 embryos
Ozdemir, Ayse Z.; Ayas, Bulent; Guven, Davut; Turkmen, Aysin (Elsevier Science Bv, 2019)Objective: The aim of this study is to evaluate the embryo flash migration after 60 min from embryo transfer in fresh and frozen cycles. Design: 80 fresh and 81 frozen embryo transfers implemented Ondokuz Mayis University ... -
Evaluation of apoptotic cell death on liver and kidney tissues following administration of levetiracetam during prenatal period
Tekcan, Akin; Tural, Sengul; Elbistan, Mehmet; Guvenc, Tolga; Ayas, Bulent; Kara, Nurten (Taylor & Francis Ltd, 2017)Objective: Levetiracetam is a new generation antiepileptic drug used in treatment of patients with epilepsy and has adverse effects on different tissues. We aimed to evaluate the apoptotic effects of levetiracetam exposure ... -
The expression of vascular endothelial growth factor in a rat model at destruction and healing stages of periodontal disease
Cetinkaya, Burcu Ozkan; Keles, Gonca Cayir; Ayas, Bulent; Sakallioglu, Elif Eser; Acikgoz, Gokhan (Wiley, 2007)Background: The major role of vascular endothelial growth factor (VEGF), an angiogenic mediator, in promoting the progression or the healing of periodontal disease is still unclear. The aim of this study was to evaluate ... -
Hippocampal cell loss after an anterior and posterior anastomotic vein occlusion model in rats
Aydin, Keramettin; Cokluk, Cengiz; Ayas, Bulent; Onger, Mehmet Emin; Keskin, Ilknur; Ozyasar, Ali; Kaplan, Süleyman (Pergamon-Elsevier Science Ltd, 2011)Estimation of the cell number after cortical venous ischemia/infarction induced by anterior and posterior anastomotic veins occlusion in a rat model is very important. Twenty male Sprague-Dawley rats were used in this ... -
Histopathological and biochemical evaluation of paeoniflorin administration in an experimental periodontitis model
Gurkan, Cagla Gul; Keles, Gonca Cayir; Kurt, Sevda; Ciftci, Alper; Ayas, Bulent; Guler, Sevki; Cetinkaya, Burcu Ozkan (Nihon Univ, School Dentistry, 2019)The purpose of this study was to evaluate the effects of administered Paeoniflorin (Pae) on periodontal tissues within an experimental periodontitis model. Forty male Wistar rats were used in this study and experimental ... -
Increased expression of vascular endothelial growth factor in cyclosporin A-induced gingival overgrowth in rats
Cetinkaya, Burcu Ozkan; Acikgoz, Gokhan; Ayas, Bulent; Aliyev, Eldar; Sakallioglu, Elif Eser (Amer Acad Periodontology, 2006)Background: Gingival overgrowth is a side effect associated with cyclosporin A (CsA) therapy. The lesion is characterized by increased epithelial thickness, enlargement of connective tissue, and increased vascularization. ... -
Levels of gingival tissue platelet activating factor after conventional and regenerative periodontal surgery
Keles, Gonca Cayir; Cetinkaya, Burcu Ozkan; Ayas, Bulent; Isildak, Ibrahim; Diraman, Emine; Koprulu, Hulya; Acikgoz, Gokhan (Springer Heidelberg, 2007)The hypothesis, a relationship between gingival tissue platelet activating factor (PAF) levels and healing after periodontal surgery, was tested by measuring PAF levels in gingival tissues collected from sites that had ... -
The neurotoxic effects of prenatal gabapentin and oxcarbazepine exposure on newborn rats
Erisgin, Zuleyha; Ayas, Bulent; Nyengaard, Jens R.; Beyhun, N. Ercument; Terzi, Yuksel (Taylor & Francis Ltd, 2019)Aim: Teratogenicity is a problematic issue for pregnant women because of X-ray radiation, drugs, and genetic and unknown variables. First-generation antiepileptic drugs (AED) like valproic acid are well-known teratogens ... -
Osmotic pressure and vasculature of gingiva in experimental diabetes mellitus
Sakallioglu, Elif Eser; Ayas, Bulent; Sakallioglu, Umur; Sakallioglu, Umit; Yavuz, Umit; Acikgoz, Gokhan; Firatli, Erhan (Wiley, 2007)Background: Alterations in tissue osmotic pressure (OP) and vasculature are considered to be the inevitable aspects of an inflammatory process that subsequently alter the fluid dynamics of the tissues involved. The aim of ... -
Osmotic pressure and vasculature of gingiva in periodontal disease: An experimental study in rats
Sakallioglu, E. Eser; Ayas, Bulent; Sakallioglu, Umur; Acikgoz, Gokhan; Caglayan, Feriha (Pergamon-Elsevier Science Ltd, 2006)Alterations in vascularisation, vasodilatation and tissue osmotic pressure (OP) are inevitable aspects of the inflammatory process that have an adverse effect on the fluid dynamics of the tissue involved. The aim of this ...
