Gulcin Tezcan , Berrin Tunca , Ahmet Bekar , Murat Yalcin , Saliha Sahin, Ferah Budak , Gulsah Cecener , Unal Egeli , Cevdet Demir , Gokcen Guvenc , Gozde Yilmaz , Leman Gizem Erkan , Hulusi Malyer , Mevlut Ozgur Taskapilioglu , Turkkan Evrensel , Ayhan Bilir: Ficus carica Latex Prevents Invasion Through Induction of Let-7d Expression in GBM Cell Lines
Fatma Oz Atalay, Gonca Ozgun, Sahsine Tolunay, Ahmet Bekar: Intracranial Extra-axial Chondroma: A Case Report
Gulcin Tezcan, Berrin Tunca, Ahmet Bekar, Matthias Preusser, Anna Sophie Berghoff, Unal Egeli, Gulsah Cecener, Gerda Ricken, Ferah Budak, Mevlut Ozgur Taskapılıoglu, Hasan Kocaeli, Sahsine Tolunay: microRNA Expression Pattern Modulates Temozolomide Response in GBM Tumors with Cancer Stem Cells
Gulcin Tezcan, Mevlut Ozgur Taskapılıoglu, Tumen, Berrin Tunca, Ahmet Bekar, Hasan Kocaeli, Ferah Budak, Sahsine Tolunay, Saliha Sahin, Hulusi Malyer, Gulsah Cecener, Cevdet Demir, Unal Egeli, Gulendam: Olea europaea leaf extract improves the treatment response of GBM stem cells by modulating miRNA expression
Alp Gurbet, Ahmet Bekar, Hulya BIlgın, Nurdan ozdemIr, Turgut Kuytu: Preemptive Wound Infiltration in Lumbar Laminectomy for Postoperative Pain: Comparison of Bupivacaine and Levobupivacaine
Taskapilioglu MO, Eser P, Bekar A (2015) Spinal Melanocytoma : A Case Report. J Spine Neurosurg 4:1
SAHSINE TOLUNAY, AHMET BEKAR, Dysembryoplastic NeuroepitheliaI Tumor: A Case Report (Disembriyoplastik Nöroepitelyol Tümör: Olgu Sunumu). Turkish Neurosurgery 10: 61 – 64, 2000
Sevda ERER ÖZBEK, Mehmet ZARİFOĞLU, Necdet KARLI, Ahmet BEKAR. Chronic Paroxysmal Hemicrania-Tic Syndrome Due to Basilar Artery Dolicho-Ectasia: Case Report. Turkiye Klinikleri J Neur 2013;8(3):107-10
Fatma Öz Atalay, Şahsine Tolunay, Gonca ÖzgÜn, Ahmet Bekar, Mehmet Zarİfoğlu. Creutzfeldt-Jakob Disease: Report of Four Cases and Review of the Literature. Turkish Journal of Pathology, doi: 10.5146/tjpath.2013.01195
Sani SARIGÜL, M. Özgür TAŞKAPILIOĞLU, Ahmet BEKAR, Çökme Kırığının Neden Olduğu Sagittal Sinüs Oklüzyonu: Olgu Sunumu. Uludağ Üniversitesi Tıp Fakültesi Dergisi 30 (3) 221-223, 2004
Ahmet BEKAR, M Ozgur TASKAPILIOGLU. Glioblastoma Near High-voltage Overhead Power Lines. Journal of Neurological Sciences [Turkish] 31:(4)# 42; 846-847, 2014
Mevlut Ozgur Taskapılıoglu, Ulas Aktas, Pinar Eser, Sahsine Tolunay, Ahmet Bekar. Multiple Extracranial Metastases from Secondary Glioblastoma: A Case Report and Review of the Literature. Turkish Neurosurgery 2013, Vol: 23, No: 6, 824-827
Ahmet BEKAR, Mevlut OZGUR TASKAPILIOGLU, Tugba MORALİ GÜLER, Ulas AKTAS, Sahsine TOLUNAY. Effect of Reoperation on Survival of Patients With Glioblastoma. Journal of Neurological Sciences [Turkish] 29:(1)# 30; 110-116, 2012
Berna AYTAÇ, Sahsine TOLUNAY, Nesrin UGRAS, Ahmet BEKAR. Sol Lateral Ventrikül Yerlesimli Liponörositoma. (Liponeurocytoma of the Left Lateral Ventricle). Turkish Journal of Pathology, Cilt/Vol. 25, No. 3, 2009; Sayfa/Page 135-137
Ahmet Bekar, Ramazan Kahveci, Sahsene Tolunay, Ahmet Kahraman, Turgut Kuytu. Metastatic Gliosarcoma Mass Extension to a Donor Fascia Lata Graft Harvest Site by Tumor Cell Contamination. WORLD NEUROSURGERY 73 [6]: 719-721, JUNE 2010
Gulcin Tezcan • Berrin Tunca • Ahmet Bekar • Matthias Preusser • Anna Sophie Berghoff • Unal Egeli • Gulsah Cecener • Gerda Ricken • Ferah Budak • Mevlut Ozgur Taskapılıoglu • Hasan Kocaeli • Sahsine Tolunay. microRNA Expression Pattern Modulates Temozolomide Response in GBM Tumors with Cancer Stem Cells. Cell Mol Neurobiol DOI 10.1007/s10571-014-0050-0
M. Ozgur TASKAPILIOGLU, Deniz BILLUR, Sule KIZIL, Ozlem TASKAPILIOGLU, Gokhan OCAKOGLU, Sevim AYDIN, Ahmet BEKAR, Agahan UNLU. Targeting Apoptosis Through Foxp1, and N-cadherin with Glatiramer Acetate in Chick Embryos During Neural Tube Development. Turk Neurosurg 26(4): 586-594, 2016
Gulcin Tezcan, Mevlut Ozgur Taskapilioglu, Berrin Tunca, Ahmet Bekar, Hilal Demirci, Hasan Kocaeli, Secil Ak Aksoya, Unal Egeli, Gulsah Cecener, Sahsine Tolunay. Olea europaea leaf extract and bevacizumab synergistically exhibit beneficial efficacy upon human glioblastoma cancer stem cells through reducing angiogenesis and invasion in vitro. Biomedicine & Pharmacotherapy 90 (2017) 713–723
Ozlem Taskapılıoglu, M. Ozgur Taskapılıoglu, Bahattin Hakyemez, Ahmet Bekar. Brain function-not size-is important. Eur Res J, 29:1-3, 2017 (DOI:10.18621/eurj.295991)
Bekar A1, Eser P, Yilmaz E and Sav A. Left Cerebellary Toxoplasmosis with No Immunodefiency: Case Report. J Spine Neurosurg 2015, 4:5 http://dx.doi.org/10.4172/2325-9701.1000202
Ahmet Bekar, M Ozgur Taskapılıoglu, Pinar Eser, Hulya Bılgın. CT-Guided High-Level Percutaneous Cervical Cordotomy for Intractable Cancer Pain. Turk Neurosurg 27(1): 133-137, 2017
Gulcin Tezcan, Berrin Tunca, Hilal Demirci, Ahmet Bekar, Mevlut Ozgur Taskapilioglu, Hasan Kocaeli, Unal Egeli, Gulsah Cecener, Sahsine Tolunay, and Ozgur Vatan. Olea europaea Leaf Extract Improves the Efficacy of Temozolomide Therapy by Inducing MGMT Methylation and Reducing P53 Expression in Glioblastoma. NUTRITION AND CANCER https://doi.org/10.1080/01635581.2017.1339810
Ahmet BEKAR, M. Özgür TAŞKAPILIOĞLU. Kanser Ağrı Tedavisinde Perkütan Girişimsel Yöntemler. Percutaneous procedures in management of cancer pain.Turkiye Klinikleri J Med Oncol-Special Topics 2017;10(3):295-9
Bekar A, İpekoğlu Z, Türeyen K, Bilgin H, Korfalı G, Korfalı E: Secondary Insults During Intrahospital Transport of Neurosurgical Intensive Care Patients. Neurosurgical Review 21: 5-9, 1998
Bekar A, Gören S, Korfalı E, Aksoy K, Boyacı S: Complications due to Monitorization of Brain Tissue Pressure With Fiberoptic Device. Neurosurgical Review 21:254-259, 1998
Cordan T, Bekar A, Yaman O, Tolunay Ş: Spinal Subarachnoid Hemorrhage Attributable to Schwannoma of the Cauda Equina. Surgical Neurology 51:373-375, 1999
Çelik SE, Kocaeli H, Cordan T, Bekar A: Trigeminal Neuralgia Due to Cerebello Pontine Angle Lipoma. J Neurosurgery 92: 889, 2000
Kanpolat Y, Berk Ç, Savaş A, Bekar A: Percutaneous Controlled Radiofrequency Rhizotomy in the Management of Patients with Trigeminal Neurolgia Due to Multiple Sclerosis. Acta Neurochirurgica (Wien) 142:685-690, 2000
Bekar A, Korfalı E, Çalışır B, Tolunay Ş: Minimally Invasive Craniotomy, Using the Steiner-Lindquist-Stereotactic Guide. Minimally Invasive Neurosurgery 44: 13-16, 2001
Kanpolat Y, Savaş A, Bekar A, Berk Ç: Percutaneous Controlled Radiofrequency Trigeminal Rhizotomy For the Treatment of Idiopathic Trigeminal Neuralgia: a 25 year experience with 1600 patients. Neurosurgery 48:524-534, 2001
Alkan T, Bekar A, Korfalı E: Hypothermia in Neuronal Protection. Neurosurgery Quarterly 11:96-112, 2001
Bekar A, Cordan T, Evrensel T, Tolunay Ş: A Case of Primary Spinal Intramedullary Lymphoma. Surgical Neurology 55: 261-264, 2001
Bekar A, Korfalı E, Doğan Ş, Yılmazlar S, Başkan Z, Aksoy K: The Effect of Hair on Infection After Cranial Surgery. Acta Neurochirurgica (Wien) 143:533-537, 2001
Bilgin H, Kelebek N, Korfalı G, Bekar A, Kerimoğlu B: A rare complication of trigeminal nevre stimulation during radiofrequency thermocoagulation: sudden ST segment elevation. J Neurosurg Anesthesiol 14(1): 47-49, 2002
Yakut T, Bekar A, Doygun M, Acar H, Egeli U, Oğul E: Evaluation of relationship between chromosome 22 and p53 gene alterate and the subtype of meningiomas by the interphase-FISH technique. Teratog Carcinog Mutagen 22(3): 217-225, 2002
Kahveci ŞF, Bekar A, Tamgaç F, Korfalı G, Alper E: Tc-99 HMPAO Cerebral SPECT Imaging to Confirm Brain Death in Patients with Complex Spinal Automatism. Turkish J Trauma &Emergengy Surgery 8:198-201, 2002
Bekar A, Kocaeli H, Yılmaz E, Doğan S: Trigeminal neuralgia caused by a pontine abscess: case report. Neurosurgery. 2004 Dec;55(6):1434.
Yakut T, Bekar A, Egeli Ü, Doygun M, Ercan İ, Yiğit B, Oğul E: Investigation for Aneuploidy of Chromosomes 7,9,10,17 and P53 Gene Deletions Between Low and High Grade Glial Tumors Using Interphase Fish Technıque. Neuroscience Research Communications, Vol:35, N:2 s. 105-117, 2004
Taşkapılıoğlu Ö, Bekar A, Kürşat ME, Yalçınkaya U: Ulnar nerve entrapment neuropathy due to extraneural ganglia at the elbow: A case report. Journal of Neurological Sciences (Turkish) 22(1) (13):79-83, 2005.
Şahin S, Bekar A, Doğan Ş, Kocaeli H, Aksoy K: Critical Care Management of Severe Head Injury in Children. Turkish Journal of Trauma. Emergency Surg. 336-344, 2005
Ersoy A, Kahvecioglu S, Bekar A, Aker S, Akdag I, Dilek K: Primary Central Nervous System Lymphoma in a Renal Transplant Recipient With Bardet-Biedl Syndrome. Transplantation Proceedings 37, 4323-4325, 2005.
Ersayli D T, Gurbet A, Bekar A, Uçkunkaya N, Bilgin H: Effects of Perioperatively Administered Bupivacaine and Bupivacaine-Methylprednisolone on Pain After Lumbar Discectomy. Spine Vol:31 N:19, 2006.
Oral HB,Budak F, Uzaslan EK, Basturk B, Bekar A, Akalin H, Ege E, Ener B, Goral G. Interleukin-10 (IL-10) gene polymorphism as a potential host susceptibility factor in tuberculosis. Cytokine, 35:143-147, 2006
Tunca B, Bekar A, Cecener G, Egeli Ü, Vatan O, Tolunay Ş, Kocaeli H, Aksoy K: Impact of novel PTEN mutations in Turkish patients with glioblastoma multiforme. J Neurooncol, 2006
Kocaeli H, Yakut T, Bekar A, Taskapılıoglu Ö, Tolunay S: Glioblastomatous recurrense of oligodendroglioma remote from the original site: a case report. Surgical Neurology, 66:627-631, 2006.
Hakyemez B, Erdoğan C, Yıldırım N, Bora I, Bekar A, Parlak M: Functional MRI in Patients with Intracranial Lesions near Language Areas. The Neuradiology Journal 19:306 312, 2006.
Yilmazlar S, Bekar A, Taskapilioglu O, Tolunay S. Isolated intrasellar tuberculoma mimicking pituitary adenoma. J Clin Neurosci. 2007 May;14(5):477-81. Epub 2007 Mar 7.
Yakut T, Gutenberg A, Bekar A, Egeli U, Gunawan B, Ercan I, Tolunay S, Doygun M, Schulten HJ. Correlation of chromosomal imbalances by comparative genomic hybridization and expression of EGFR, PTEN, p53, and MIB-1 in diffuse gliomas. Oncol Rep. 2007 May;17(5):1037-43.
Erdogan C, Hakyemez B, Arat A, Kocaeli H, Bekar A, Parlak M. Spinal dural arteriovenous fistula in a case with lipomyelodysplasia. Br J Radiol. 2007 May;80(953):e98-e100.
Bekar A, Ceçener G, Tunca B, Guler G, Egeli U, Tolunay S. Investigation of mutations and expression of the FHIT gene in Turkish patients with brain metastases derived from non-small cell lung cancer. Tumori. 2007 Nov-Dec;93(6):604-7.
Bekar A, Kocaeli H, Abaş F, Bozkurt M: Bilateral high-level percutaneous cervical cordotomy in cancer pain due to lung cancer: a case report. Surgical Neurology, 67: 504 507, 2007.
Özay R., Bekar A., Kocaeli H., Karlı N., Filiz G., Ulus İ H.: Citicoline improves functional recovery, promotes nerve regeneration, and reduces postoperative scarring after peripheral nerve surgery in rats. Surgical Neurology 68 (2007), 615-622.
Erdogan C, Hakyemez B, Arat A, Bekar A, Parlak M: Spinal dural arteriovenous fistula in a case with lipomyelodysplasia. The British Journal of Radiology, 80:98-100, 2007.
Kocaeli H, Hakyemez B, Bekar A, Yilmazlar S, Abas F, Yilmaz E, Korfali E. Unusual complications and presentations of intracranial abscess: experience of a single institution. Surg Neurol. 2008 Apr;69(4):383-91; discussion 391. Epub 2007 Aug 17.
Caner B, Bekar A, Hakyemez B, Taskapilioglu O, Aksoy K. Dilatation of Virchow Robin perivascular spaces: report of 3 cases with different localizations. Minim Invasive Neurosurg. 2008 Feb;51(1):11-4.
Bekar A, Taskapilioglu O, Yilmazlar S, Ender K, Aksoy K. Is supratentorial pressure difference clinically relevant? Analysis of 55 consecutive cases by bilateral intracranial pressure monitoring. Neurol Res. 2008 Apr 18. [Epub ahead of print]
Gurbet A, Bekar A, Bilgin H, Korfali G, Yılmazlar S: Pre-emptive infiltration of levobupivacaine is superior to at-closure edministration in lumbar laminectomy patients. Eur Spine J, April 2008.
Investigation of MMAC/PTEN gene mutations and protein expression in low grade gliomas. Cecener G, Tunca B, Egeli U, Bekar A, Guler G, Vatan O, Tolunay S. Cell Mol Neurobiol. 2009 Jul;29(5):733-8. Epub 2009 Apr 7. PMID: 19350382 [PubMed – in process]
Risk factors and complications of intracranial pressure monitoring with a fiberoptic device. Bekar A, Doğan S, Abaş F, Caner B, Korfali G, Kocaeli H, Yilmazlar S, Korfali E. J Clin Neurosci. 2009 Feb;16(2):236-40. Epub 2008 Dec 13. PMID: 19071023 [PubMed – indexed for MEDLINE]
Is supratentorial pressure difference clinically relevant? Analysis of 55 consecutive cases by bilateral intracranial pressure monitoring. Bekar A, Taskapilioglu O, Yilmazlar S, Ender K, Aksoy K. Neurol Res. 2008 Jun;30(5):465-70. PMID: 18953736 [PubMed – indexed for MEDLINE]
Stab injury of the thoracic spinal cord: case report. Doğan S, Kocaeli H, Taşkapilioğlu MO, Bekar A. Turk Neurosurg. 2008 Jul;18(3):298-301. PMID: 18814122 [PubMed – indexed for MEDLINE]
Comparison of prognostic scores and surgical approaches to treat spinal metastatic tumors: A review of 57 cases. Yilmazlar S, Dogan S, Caner B, Turkkan A, Bekar A, Korfali E. J Orthop Surg Res. 2008 Aug 28;3:37. PMID: 18755019 [PubMed – in process]
Hakyemez B, Erdoğan C, Yıldırım N, Bora I, Bekar A, Parlak M. Functional MRI in Patients with Intracranial Lesions near language Areas. Neuroradiol J 19:306-312, 2006
Morphologic Features and Flow Void Phenomenon in Normal Pressure Hydrocephalus and Other Dementias Are They Really Significant?(1). Algin O, Hakyemez B, Taskapilioglu O, Ocakoglu G, Bekar A, Parlak M. Acad Radiol. 2009 Aug 28.
Cecener G, Tunca B, Egeli U, Bekar A, Guler G, Tolunay S, Aksoy K. “FHIT gene sequence variants and reduced Fhit protein expression in glioblastoma multiforme,” Cell Mol Neurobiol, DOI : 10.1007/s10571-009-9452-9, 2009.
A. Bekar*, H Bilgin†, G. Korfalı†, E. Korfalı*, H. Kocaeli*, Ö. Taskapılıoğlu*: Minimally Invasive Awake Craniotomy Using Steiner-Lindquist Stereotactic Laser-Guidance, Minimal Invasive Neurosurgery, 2009