ORCID "0000-0003-2003-6337" Makale Koleksiyonu için listeleme
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Are intervertebral disc tissue cells damaged when attempting to prevent thrombus formation using dabigatran, a new oral anticoagulant?
Kaplan, Necati; Karaaslan, Numan; Yılmaz, İbrahim; Yaşar Şirin, Duygu; Akgün, Feride Sinem; Çalışkan, Tezcan; Şimşek, Abdullah Talha; Özbek, Hanefi (Turkish Neurosurgical Society, 2019)AIM: To investigate the effect of dabigatran, a new oral anticoagulant, on human primary cell cultures isolated from intact intervertebral disc tissue. MATERIAL and METHODS: Cell cultures were prepared from tissues obtained ... -
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 ... -
Are we using slow-acting symptomatic chondroprotective drugs conscious enough?
Gümüştaş, Seyit Ali; Öznam, Kadir; Mutlu, Çağrı Ata; Kaya, Yasin Emre; Yılmaz, İbrahim; İşyar, Mehmet; Yıldırım Güzelant, Aliye; Güler, Olcay; Akkaya, Semih; Mahiroğulları, Mahir (Bentham Open, 2017)Background: Osteochondral injuries constitute an entity that is widespread and can be seen in patients of all ages. Actual treatment modalities aim to relieve pain, obtain full range of movement of the joint, and improve ... -
The association between different molecular weights of hyaluronic acid and CHAD, HIF-1 alpha, COL2A1 expression in chondrocyte cultures
Yaşar Şirin, Duygu; Kaplan, Necati; Yılmaz, İbrahim; Karaarslan, Numan; Özbek, Hanefi; Akyuva, Yener; Kaya, Yasin Emre; Öznam, Kadir; Akkaya, Nuray; Güler, Olcay; Akkaya, Semih; Mahiroğulları, Mahir (Spandidos Publications Ltd, 2018)The aim of the present study was to investigate the effects of three different formulations of hyaluronic acid (HA): Low molecular weight (MW) Sinovial One((R)), medium MW Viscoplus((R)) and high MW Durolane((R)), on ... -
Can a biodegradable implanted bilayered drug delivery system loaded with BMP-2/BMP-12 take an effective role in the biological repair process of bone-tendon injuries? A preliminary report
Kömür, Baran; Akyuva, Yener; Karaslan, Numan; İşyar, Mehmet; Gümüştaş, Seyit Ali; Yılmaz, İbrahim; Akkaya, Semih; Şirin, Duygu Yaşar; Mutlu, Çağri Ata; Batmaz, Ahmet Güray; Güler, Olcay; Mahiroğulları, Mahir (Hindawi Ltd, 2017)Background. Use of biodegradable and biocompatible materials in the orthopedic surgery is gaining popularity. In this research, the rate of controlled release of a bilayered prototype biomaterial designed to promote ... -
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 leukocyte-poor or leukocyte-rich platelet-rich plasma applied with biopolymers have superiority to conventional platelet-rich plasma applications on chondrocyte proliferation?
Yaşar Şirin, Duygu; Yılmaz, İbrahim; İşyar, Mehmet; Öznam, Kadir; Mahiroğulları, Mahir (Turkish Joint Diseases Foundation, 2017)Objectives: This study aims to investigate the possible effects of leukocyte concentration in the content of platelet-rich plasma (PRP) and the administration of PRP using a drug delivery system on chondrocyte proliferation ... -
Does nimodipine, a selective calcium channel blocker, impair chondrocyte proliferation or damage extracellular matrix structures?
Kaplan, Necati; Yılmaz, İbrahim; Karaarslan, Numan; Kaya, Yasin Emre; Yaşar, Şirin, Duygu; Özbek, Hanefi (Bentham Science Publishers, 2019)Background: The study aimed to investigate the effects of the active ingredient, nimodipine, on chondrocyte proliferation and extracellular matrix (ECM) structures in cartilage tissue cells. Methods: Chondrocyte cultures ... -
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 ... -
The effects of NLR on the diagnosis and pharmacological management of brain abscesses
Çalışkan, Tezcan; Yılmaz, İbrahim; Hacıoğlu Kasım, Fatma Bahar; Ersöz, Emel; Doğan, Mustafa; Karaaslan, Numan (Alanya Alaaddin Keykubat University, 2021)Aim: The present study aims to examine the effectiveness of the neutrophil-tolymphocyte ratio in the treatment and diagnosis of patients with brain abscesses. Methods: In this retrospective study, radiological, neurological, ... -
The effects of rivaroxaban, an oral anticoagulant, on human IVD primary cultures
Çalışkan, Tezcan; Akalan, Hande; Yılmaz, İbrahim; Karaarslan, Numan; Yaşar Şirin, Duygu; Özbek, Hanefi (Termedia Publishing House Ltd, 2022)Introduction: The present study aimed to investigate the potential effects of rivaroxaban, an oral anticoagulant that inhibits the effects of factor Xa, on intact intervertebral disc tissue cells and the extracellular ... -
Empathy and facial expression recognition in children with and without attention-deficit/hyperactivity disorder: Effects of stimulant medication on empathic skills in children with attention-deficit/hyperactivity disorder
Gümüştaş, Funda; Yılmaz, İbrahim; Yulaf, Yasemin; Gökçe, Sebla; Sabuncuoğlu, Osman (Mary Ann Liebert, Inc, 2017)Objective: The aim of this study was to compare children and adolescents with attention-deficit/hyperactivity disorder (ADHD) to healthy children and adolescents in terms of state and trait empathy and emotion expression ... -
Evaluation of empirical antibiotic treatment in culture negative pyogenic vertebral osteomyelitis
Doğan, Mustafa; Şimşek, Abdullah Talha; Yılmaz, İbrahim; Karaarslan, Numan (Turkish Neurosurgical Society, 2019)AIM: To investigate the efficacy of empirical antibiotic treatment in culture-negative pyogenic vertebral osteomyelitis (PVO) cases. MATERIAL and METHODS: The records of patients with culture-negative PVO who were treated ... -
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 ... -
Evaluation of the effect of daptomycin, a glycopeptide agent, on intact intervertebral disc tissue
Kaplan, Necati; Yılmaz, İbrahim; Karaaslan, Numan; Yaşar Şirin, Duygu; Şimşek, Abdullah Talha; Çalışkan, Tezcan; Bircan, Rıfat; Özbek, Hanefi (Turkish Neurosurgical Society, 2019)AIM: To evaluate the effects of pre- and intra-operatively administered daptomycin (DAP) on the intact human primary intervertebral disc tissue cells. MATERIAL and METHODS: Primary cell cultures were established using ...