Full Text Journal Articles by
Author Siyami Karahan

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Contribution of amniotic membrane to the healing of iatrogenic vas deferens injury

Sabri Demir, Ahmet Ertürk, Mehmet Zengin, Dinçer Yıldız, Siyami Karahan, Emrah Şenel,

<h4>Background/aim</h4>Iatrogenic vas deferens injury is one of the most serious complications of operations in the inguinal region. Vasovasostomy is performed as treatment. However, stenosis is common after vasovasostomy. Oligospermia or azoospermia may develop and result in infertility. This study aimed to investigate the effect of amniotic membrane on healing in ... Read more >>

Turk J Med Sci (Turkish journal of medical sciences)
[2021, 51(3):1564-1571]

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Contribution of Bone Marrow-Derived Mesenchymal Stem Cells to Healing of Pulmonary Contusion-Created Rats.

Sabri Demir, Ahmet Erturk, Yasemin Dere Gunal, Ismail Ozmen, Mehmet Zengin, Dincer Yildiz, Erdal Karaoz, Siyami Karahan, Emrah Senel,

<h4>Background</h4>The most common thoracic injury in children, resulting in trauma, is pulmonary contusion (PC). Bone marrow-derived mesenchymal stem cells (BM-MSCs) are used in wound healing and many other diseases. This study aims to examine the effects of BM-MSCs on PC healing in rats.<h4>Materials and methods</h4>A total of 45 male Wistar ... Read more >>

J Surg Res (The Journal of surgical research)
[2021, 261:205-214]

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Effects of Local Low-Dose Alendronate Injections Into the Distraction Gap on New Bone Formation and Distraction Rate on Distraction Osteogenesis.

Yunus Emre Alp, Alper Taskaldiran, Mustafa Ercument Onder, Siyami Karahan, Ismail Doruk Kocyigit, Fethi Atil, Umut Tekin,

Bisphosphonates that constrain bone resorption have a direct effect on osteoclast function. In this experimental study, the effects of low-dose local alendronate injections on the distraction gap (DG) in rabbit mandible at 2 different rates were evaluated.The experimental study was conducted on 20 male, New Zealand white rabbits. The animals ... Read more >>

J Craniofac Surg (The Journal of craniofacial surgery)
[2017, 28(8):2174-2178]

Cited: 4 times

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Polyethyleneimine brushes effectively inhibit encrustation on polyurethane ureteral stents both in dynamic bioreactor and in vivo.

Merve Gultekinoglu, Barış Kurum, Siyami Karahan, Didem Kart, Meral Sagiroglu, Nusret Ertaş, A Haluk Ozen, Kezban Ulubayram,

Polyurethane (PU) ureteral stents have been widely used as biomedical devices to aid the flow of the urine. Due to the biofilm formation and encrustation complications it has been hindered their long term clinical usage. To overcome these complications, in this study, cationic polyethyleneimine (PEI) brushes grafted on PU stents ... Read more >>

Mater Sci Eng C Mater Biol Appl (Materials science & engineering. C, Materials for biological applications)
[2017, 71:1166-1174]

Cited: 3 times

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Characterization of chondrocytes cultured on catechin-loaded alginate-chitosan scaffolds.

Mustafa Türk, Siyami Karahan, Miyase Çinar, Sebnem Küçük, Güngör Çagdaş Dinçel,

Bovine chondrocytes were seeded into scaffolds of a high molecular weight chitosan and alginate with a pore size of 50-350 μm with or without catechin. In polymerase chain reaction (PCR), unlike type II, collagen type I was no longer expressed at day 14. The DNA content increased until day 8 ... Read more >>

Artif Cells Nanomed Biotechnol (Artificial cells, nanomedicine, and biotechnology)
[2013, 41(4):240-248]

Cited: 1 time

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In-vivo efficacy of toltrazuril on experimentally induced Toxoplasma gondii tissue cysts in lambs: a novel strategy for prevention of human exposure to meat-borne toxoplasmosis.

Oguz Kul, Kader Yildiz, Naci Ocal, Alvaro Freyre, Abdulkerim Deniz, Siyami Karahan, Hasan Tarik Atmaca, Sami Gokpinar, Gungor Cagdas Dincel, Tuba Uzunalioğlu, Osman Safa Terzi,

The aim of the present study was to investigate in vivo efficacy of toltrazuril on Toxoplasma gondii tissue cysts following induction of chronic toxoplasmosis in 4-week-old lambs (n=27) by inoculation of 1×10(5) T. gondii ME 49 strain oocysts (day 0). Beginning at the 15th day after inoculation, lambs in Group ... Read more >>

Res Vet Sci (Research in veterinary science)
[2013, 94(2):269-276]

Cited: 11 times

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Fabrication and characterization of gold-nanoparticles/chitosan film: a scaffold for L929-fibroblasts.

Mustafa Türk, Uğur Tamer, Erol Alver, Hakan Çiftçi, Ayşegül Ü Metin, Siyami Karahan,

The objective of the present study was to fabricate a gold nanoparticle crosslinked chitosan (Ch/AuNPs) composite film simple and to evaluate its use as a carrier matrix for L929- fibroblasts. L929- fibroblasts were seeded either onto Ch or Ch/AuNPs scaffolds. The Ch/AuNPs scaffold exhibited a higher cell proliferation and growth ... Read more >>

Artif Cells Nanomed Biotechnol (Artificial cells, nanomedicine, and biotechnology)
[2013, 41(6):395-401]

Cited: 1 time

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Aromatase expression in the cerebellum of the dog infected with canine distemper virus.

Murat Yarim, Mustafa Yavuz Gulbahar, Tolga Guvenc, Siyami Karahan, Nobuhiro Harada, Yonca Betil Kabak, Mehmet Onder Karayigit,

Aromatase is the enzyme that catalyzes the biosynthesis of estrogens. It is implicated in neuroprotection.The present study investigated aromatase expression in the cerebellum of dogs infected with canine distemper virus (CDV), a disease characterized by demyelination in the white matter of the cerebellum. The presence of CDV infection was confirmed ... Read more >>

Berl Munch Tierarztl Wochenschr (Berliner und Munchener tierarztliche Wochenschrift)
[2010, 123(7-8):301-306]

Cited: 0 times

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Cerebellum progesterone concentration decreased in canine distemper virus infection.

Gul Fatma Yarim, Siyami Karahan, Murat Yarim,

Progesterone has neuroprotective effects including augmentation of myelination in the central and peripheral nervous system. This study was designed to determine if demyelinating lesions in the cerebellum resulting from canine distemper virus (CDV) infection are associated with progesterone levels. Progesterone was measured using radioimmunoassay in samples of the cerebellum, corpus ... Read more >>

Res Vet Sci (Research in veterinary science)
[2007, 82(2):173-180]

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Immunolocalization of 3beta-hydroxysteroid dehydrogenase in normal and hyperplastic ram prostates.

Murat Yarim, Siyami Karahan, Nalan Kabakci, Tarik Atmaca,

The enzyme 3beta-hydroxysteroid dehydrogenase (3beta-HSD) is essential in the synthesis of all steroids by cleaving dehydroepiandrosterone to androstenedione. In the present study, 3beta-HSD immunoreactivity was investigated in the prostate of Akkaraman breed rams aged older than 3 years. Five normal and five hyperplastic ram prostates were processed for immunohistochemistry. Prostate ... Read more >>

Domest Anim Endocrinol (Domestic animal endocrinology)
[2006, 30(1):17-27]

Cited: 1 time

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Effects of water quality and fish size on toxicity of methiocarb, a carbamate pesticide, to rainbow trout.

Ilhan Altinok, Erol Capkin, Siyami Karahan, Muhammet Boran,

The acute toxicity of methiocarb in juvenile rainbow trout (Oncorhynchus mykiss, 3.25±0.79g) was evaluated in glass aquaria under static conditions. Nominal concentrations of methiocarb in the toxicity test ranged from 1.25 to 7.50mgL(-1). The concentrations of methiocarb that killed 50% of the rainbow trout within 24-h (24-h LC(50)), 48-h LC(50), ... Read more >>

Environ Toxicol Pharmacol (Environmental toxicology and pharmacology)
[2006, 22(1):20-26]

Cited: 6 times

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Immunohistochemical localisation of 3beta-hydroxysteroid dehydrogenase in Sarcocystis spp.

Murat Yarim, Kader Yildiz, Nalan Kabakci, Siyami Karahan,

3Beta-hydroxysteroid-dehydrogenase (3beta-HSD) is an isoenzyme that catalyses an essential step in the synthesis of all classes of active steroid hormones. The presence of steroid hormones of the vertebrate type in invertebrates is acknowledged in addition to a group of steroid-like hormones called ecdysteroids that were present in arthropods and helminths. ... Read more >>

Parasitol Res (Parasitology research)
[2004, 93(6):457-460]

Cited: 3 times

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In vivo whole body and appendicular bone mineral density in rats: a dual energy X-ray absorptiometry study.

Siyami Karahan, Steven Alan Kincaid, Susan Dorothy Lauten, James Carroll Wright,

Bone mineral density (BMD) of the whole body and hind limb of young adult rats, with and without a sham-operated stifle joint was studied, using dual energy x-ray absorptiometry (DEXA) at three time points. Data from the whole body scan were used for analyses of BMD, bone mineral content (BMC), ... Read more >>

Comp Med (Comparative medicine)
[2002, 52(2):143-151]

Cited: 5 times

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