Yazar "Ateş, Özkan" için listeleme
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Are radio-contrast agents commonly used in discography toxic to the intact intervertebral disc tissue cells?
Karaarslan, Numan; Yılmaz, İbrahim; Özbek, Hanefi; Yaşar Şirin, Duygu; Kaplan, Necati; Çalışkan, Tezcan; Özdemir, Çiğdem; Akyuva, Yener; Ateş, Özkan (Wiley, 2019)In the literature, there have been no studies showing clear results on how radio-contrast pharmaceuticals would affect intact disc tissue cells. In this context, it was aimed to evaluate the effects of iopromide and gadoxetic ... -
Are specific gene expressions of extracellular matrix and nucleus pulposus affected by primary cell cultures prepared from intact or degenerative intervertebral disc tissues?
Karaarslan, Numan; Yılmaz, İbrahim; Özbek, Hanefi; Yaşar Şirin, Duygu; Kaplan, Necati; Akyuva, Yener; Gönültaş, Aylin; Ateş, Özkan (Turkish Neurosurgical Society, 2019)AIM: To determine the gene expression patterns of nucleus pulposus (NP) in cell cultures obtained from degenerated or intact tissues. MATERIAL and METHODS: Whereas 12 of the cases were diagnosed with lumbar disc herniation ... -
A combined diagnosis and treatment algorithm for spine infection management: A single-center experience
Başak, Ahmet Tulgar; Çakıcı, Nazlı; Özbek, Muhammet Arif; Hekimoğlu, Mehdi; Çerezci, Önder; Ateş, Özkan; Öktenoğlu, Tunç; Sasani, Mehdi; Özer, Ali Fahir (Cureus Inc., 2022)Background and objectiveSpinal infection (SI) is an infectious disease affecting the vertebral column, spinal cord, and adjacent structures. The infection can occur following interventions or spontaneously. The aim of this ... -
Delivering growth factors through a polymeric scaffold to cell cultures containing both nucleus pulposus and annulus fibrosus
Akyuva, Yener; Kaplan, Necati; Yılmaz, İbrahim; Özbek, Hanefi; Yaşar Şirin, Duygu; Karaaslan, Numan; Güler, Olcay; Ateş, Özkan (Turkish Neurosurgical Society, 2019)AIM: To design a novel, polyvinyl alcohol (PVA)-based polymeric scaffold that permits the controlled release of insulin-like growth factor 1 (IGF-1) /bone morphogenetic protein (BMP)-2 following intervertebral disc ... -
Do we damage nucleus pulposus tissue while treating cerebrovascular ischemic neurological deficits with nimodipine?
Karaarslan, Numan; Yılmaz, İbrahim; Yaşar Şirin, Duygu; Baykız, Derya; Demirkıran, Aykut; Ateş, Özkan (2018)Aim: Nimodipine is used to prevent cerebrovascular-originated ischemic neurological deficits, yet its effects on nucleus pulposus (NP) cells or annulus fibrosus (AF) cells weren’t studied. This study aimed to examine ... -
Does transcription factor, induced by daptomycin and vancomycin, affect HIF-1α, Chondroadherin, and COL2A1?
Karaarslan, Numan; Yılmaz, İbrahim; Yaşar Şirin, Duygu; Özbek, Hanefi; Kaya, Yasin Emre; Akyuva, Yener; Kaplan, Necati; Doğan, Mustafa; Gümüştaş, Seyit Ali; Ateş, Özkan; Erdem, İlknur (Inonu University School of Medicine, 2018)Aim: In this study, it was firstly aimed to investigate the effect of Daptomycin (DAP) on the proliferation in Vancomycin (VCM)-administered primary chondrocyte cultures and non-drug-administered primary chondrocyte cultures. ... -
Effect of naproxen on proliferation and differentiation of primary cell cultures isolated from human cartilage tissue
Karaarslan, Numan; Batmaz, Ahmet Güray; Yılmaz, İbrahim; Özbek, Hanefi; Çalışkan, Tezcan; Yaşar Şirin, Duygu; Kaplan, Necati; Öznam, Kadir; Ateş, Özkan (Spandidos Publications Ltd, 2018)Non-steroidal anti-inflammatory drugs (NSAIDs) that are applied through oral, injectable or topical routes have been widely used in painful and inflammatory musculoskeletal diseases. The current study aimed to determine ... -
Effects of etanercept, a tumor necrosis factor receptor fusion protein, on primary cell cultures prepared from intact human intervertebral disc tissue
Çalışkan, Tezcan; Şirin, Duygu Yaşar; Karaarslan, Numan; Yılmaz, İbrahim; Özbek, Hanefi; Akyuva, Yener; Kaplan, Necati; Kaya, Yasin Emre; Şimşek, Abdullah Talha; Güzelant, Aliye Yıldırım; Ateş, Özkan (Spandidos Publications, 2019)The aim of the present study was to investigate the effects of etanercept (ETA), a tumor necrosis factor (TNF) inhibitor, on human cell cultures prepared from intact intervertebral disc tissue. ETA is used as a treatment ... -
Evaluation of neutrophil-to-lymphocyte ratio as a marker of inflammatory response in spondylodiscitis
Karaarslan, Numan; Yılmaz, İbrahim; Akgün, Feride Sinem; Çalıskan, Tezcan; Doğan, Mustafa; Bilir, Bülent; Ateş, Özkan (2018)Aim: Spondylodiscitis, if not diagnosed on time, can cause morbidity or mortality at high rates. This study was carried out with the aim of testing the hypothesis that “neutrophil-to-lymphocyte ratio can be used” especially ... -
Evaluation of the effect of apixaban on the primary intact intervertebral disc cell cultures
Akgün, Feride Sinem; Karaarslan, Numan; Yılmaz, İbrahim; Özbek, Hanefi; Yaşar Şirin, Duygu; Şimşek, Abdullah Talha; Kaplan, Necati; Ateş, Özkan (2019)Aim: Apixaban is a frequently preferred pharmacological agent in clinics to prevent deep vein thrombosis and pulmonary embolism.Such new oral anticoagulants may cause hemorrhage’s in tissues and/or organs or may cause ... -
Investigation of the effect of dipyrone on cells isolated from intervertebral disc tissue
Akgün, Feride Sinem; Şirin, Duygu Yaşar; Yılmaz, İbrahim; Karaarslan, Numan; Özbek, Hanefi; Şimşek, Abdullah Talha; Kaya, Yasin Emre; Kaplan, Necati; Akyuva, Yener; Çalışkan, Tezcan; Ateş, Özkan (Spandidos Publications, 2019)The present study aimed to evaluate the effects of dipyrone, an indispensable analgesic, anti-pyretic and anti-spasmodic used in emergency departments, on nucleus pulposus and annulus fibrosus cells in vitro. After surgical ... -
Investigation of the effects of tigecycline, a semi-synthetic derivative of minocycline, on chondrocyte cultures
Kaya, Yasin Emre; Karaarslan, Numan; Yılmaz, İbrahim; Yaşar Şirin, Duygu; Yaman, Onur; Özbek, Hanefi; Ateş, Özkan (Annals of Medical Research Publishing Inc, 2020)Abstract Aim: Although antibiotics are generally well-tolerated, they may have cytotoxic effects. The present randomized, double-blind, in vitro study aimed to investigate the effects of tigecycline on cartilage tissue ... -
Is implant washing and wound irrigation with rifampicin effective for preventing surgical site infections in lumbar instrumentation?
Karaarslan, Numan; Yılmaz, İbrahim; Özbek, Hanefi; Öznam, Kadir; Ateş, Özkan; Erdem, İlknur (Turkish Neurosurgical Society, 2018)AIM: To determine whether the washing of implants and autogenous bone grafts with rifampicin, and the irrigation of the surgical field using diluted rifampicin, have any significant effect on the prevention of spinal implant ... -
Lumbar dynamic stabilization with 2-stage surgery: early results
Özer, Ali Fahir; Başak, Ahmet Tulgar; Özbek, Muhammet Arif; HekimoǧLu, Mehdi; Aydın, Ahmet Levent; Ateş, Özkan; Günerbüyük, Caner; Akgül, Turgut; Sasani, Mehdi; Öktenoǧlu, Tunç (ISASS-The International Society for the Advancement of Spine Surgery, 2022)Background: Screw loosening, which is a major problem in dynamic systems, can be easily overcome with 2-stage surgery. In this article, the clinical and radiological results of patients undergoing dynamic stabilization ... -
Pregabalin treatment for neuropathic pain may damage intervertebral disc tissue
Karaarslan, Numan; Yılmaz, İbrahim; Yaşar Şirin, Duygu; Özbek, Hanefi; Kaplan, Necati; Kaya, Yasin Emre; Akyuva, Yener; Gürbüz, Mehmet Sabri; Öznam, Kadir; Ateş, Özkan (Spandidos Publications Ltd, 2018)The aim of the present study was to determine whether pharmaceutical preparations with pregabalin (PGB) as an active ingredient, which are widely prescribed by clinicians, exert toxic effects on human primary nucleus ... -
A study on the effects of direct factor Xa inhibitors and direct thrombin inhibitors on human primary chondrocyte cultures
Kaya, Yasin Emre; Akalan, Hande; Yılmaz, İbrahim; Karaarslan, Numan; Yaşar Şirin, Duygu; Özbek, Hanefi; Ateş, Özkan (Namık Kemal University, 2019)Aim:This study investigates the effects of two direct factor Xa inhibitors, apixaban and rivaroxaban, and a direct thrombin inhibitor, dabigatran, on human primary chondrocytecultures. Materials and Methods:Monolayer ... -
Systematic evaluation of desmopressin administered to patients with aneurysmal subarachnoid hemorrhage in the light of the literature
Karaarslan, Numan; Yılmaz, İbrahim; Akgün, Feride Sinem; Çalışkan, Tezcan; Özbek, Hanefi; Ateş, Özkan (Turkish Neurosurgical Society, 2020)AIM: To discuss the management of patients with the syndrome of inappropriate antidiuretic hormone secretion (SIADH) developing after subarachnoid hemorrhage, in a comparative manner in the light of the literature.MATERIAL ... -
Systematic evaluation of promising clinical trials-gene silencing for the treatment of glioblastoma
Karaarslan, Numan; Yılmaz, İbrahim; Özbek, Hanefi; Çalışkan, Tezcan; Topuk, Savaş; Yaşar Şirin, Duygu; Ateş, Özkan (Turkish Neurosurgical Society, 2019)AIM: To systematically investigate the role of artificial small interfering RNA (SiRNA) molecules in glioblastoma treatment and to give a detailed overview of the literature concerning studies performed in this field ...