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Frontal Chondrosarcoma in a Cat
F.Yildiz,A.Gurel,T.Yesildere,K.Ozer 대한수의학회 2003 Journal of Veterinary Science Vol.4 No.2
Chondrosarcoma in a CatF. Yildiz*, A. Gurel, T. Yesildere and K. Ozer1
Cytoplasmic Effects on Gliadin Composition in Winter Durum Wheat (Triticum durum Desf.)
Yildiz, Mustafa,Yildiz, Ayse Varol,O¨zgen, Murat 한국유전학회 2003 Genes & Genomics Vol.25 No.3
Four winter durum wheat (Triticum durum Desf.) cvs. 'Cakmak 79', 'Kirmizi 5132', 'S.Bursa 7113' and line '104', and their 12 reciprocal hybrids were assessed to characterize cytoplamic effect on gliadin compositon. The number and the position of gladin bands on a gel were varied according to the cultivar used as a maternal parent. Cytoplasm-originated gliadin bands were only observed in the crosses of 'Cakmak 79' x 'S.Bursa 7113', 'S.Bursa 7113' x '104', 'Cakmak 79' x '104' and '104' x 'Cakmak 79'. It was observed that male parent affected the composition and the occurrence of gliadin bands originated from cytoplasm of maternal parent.
Yildiz, Alp,Leventoglu, Sezai,Yildiz, Aybala,Inan, Arda,Mentes, Bedrettin Bulent 대한대장항문학회 2023 Annals of Coloproctolgy Vol.39 No.3
Purpose: Perianal Buschke-Löwenstein tumor (BLT) is characterized by an exophytic cauliflower-like mass surrounding the perianal region. Its tendency to infiltrate the adjacent tissues, its massiveness, and its high recurrence rate cause difficulties in treatment. The aim of this study is to report our strategy with wide local excision and flap reconstruction for BLT.Methods: From November 2002 to June 2019, 11 patients (9 men) with a mean age of 33.45 years (range, 19–54 years) were operated on for BLT. All patients underwent wide local excision and V-Y flap reconstruction, supplemented with other flaps whenever needed. No additional modalities were used.Results: Two patients had a history of anal intercourse while all patients were human immunodeficiency virus-negative. The mean tumor length was 15.54 ± 1.34 cm (range, 10–26 cm). Human papillomavirus 6 was the most common type identified. Partial wound dehiscence developed in 3 patients, while anal stenosis, mucosal ectropion, or local recurrence was not observed during the mean follow-up period of 50.45 ± 1.75 months (range, 10–196 months).Conclusion: In patients with perianal BLT, wide local excision and flap reconstruction result in a high healing rate without significant complications.
Zeynep Yildiz Akbey,Mustafa Yildiz,Nermin Gü,ndü,z 대한신경정신의학회 2019 PSYCHIATRY INVESTIGATION Vol.16 No.5
Objective: The aim of this study was to investigate the rates childhood traumatic experiences (CTEs) of schizophrenia patients and to examine relationship between childhood traumatic experiences, dissociation and psychotic symptoms. Methods: One hundred schizophrenia patients who had 5 or 5 points below in Clinical Global Impression-Severity (CGI-S) and who were not in active psychotic episode and 50 healthy siblings who grew up in the same environment with the patients were included to the study. Structured Clinical Interview for DSM IV, Scale for the Assessment of Positive Symptoms, Scale for the Assessment of Negative Symptoms, Dissociative Experiences Scale (DES), CGI-S, Global Assessment of Functioning Scale and Childhood Trauma Questionnaire (CTQ-28) applied to the patients. Results: Childhood abuse subscales and DES scores were statistically higher in the patient group (p<0.001). We determined moderately significant positive correlation between CTQ-28 and DES. We determined moderately significant positive correlation between CTQ total scores and persecutory delusions, delusions of reference, ability to feel intimacy and closeness; relationship with friends and peers. Also, there was a significant positive correlation between persecutory delusions and CTQ-total, DES-total and all subscales of CTQ-28. Conclusion: Clinicians should inquire about CTEs to develop comprehensive formulations and treatment plans among schizophrenia.
( Yildiz Okuturlar ),( Nilgul Akalin ),( Ozlem Harmankaya ),( Nurten Turan Guner ),( Deniz Yilmaz ),( Asuman Gedikbasi ),( Ozlem Soyluk ),( Meral Mert ),( Abaki Kumbasar ) 대한내과학회 2014 대한내과학회 추계학술발표논문집 Vol.2014 No.1
Background: Paraoxonase (PON)-1 is an antioxidant enzyme. It has three known activities, paraoxonase, arylesterase and diazoxonase. It has been reported that PON-1 defi ciency is related to increased susceptibility to development of atherosclerosis and cardiovascular disease. The aim of this study is to evaluate antioxidative status and carotid intima-media thickness (CIMT) in patients with anemia with/without chronic renal failure. Methods: 42 patients with anemia and a control group of 47 patients were enrolled in to the study. Patients were divided into two groups as Group 1 with iron defi ciency anemia and Group 2 with chronic renal failure and anemia of chronic disease and Group 3 as the healthy control group. In all three groups antioxidative status was evaluated by measuring free sulfhydryl groups (-SH = total thiol), paraoxonase and arylesterase levels. CIMT measurements were also performed at the same time. Results: In all three groups, age, weight, average height, gender, presence of diabetes and smoking habit were not signifi cantly different (p>0.05). Hemoglobin levels were 7.85 ± 1.25 in Group 1, 8.62 ± 1.09 in Group 2 and 13.45±1.63 in Group 3. We have found that Arylesterase and -SH levels were decreased both in Group 1 and 2 according to Group 3. Bilateral CIMT was increased only in Group 2. Between group 1 and group 2 the only difference was the the more signifi cant decrease in Arylesterase levels in group 2 (Table 1-2). Conclusion: PON-1 activity and -SH levels may be independently associated with the presence of atherosclerosis.
Cyclamen Exerts Cytotoxicity in Solid Tumor Cell Lines: a Step Toward New Anticancer Agents?
Yildiz, Mustafa,Bozcu, Hakan,Tokgun, Onur,Karagur, Ege Riza,Akyurt, Oktay,Akca, Hakan Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.10
Cyclamen coum is a traditional medicinal plant in the Turkey. Its anticancer properties and whether cyclamen extract induces any cytotoxicity in solid cancer cell lines have not been thoroughly investigated previously. Therefore we examined cytotoxic effects on cervical cells; HeLa and non small cell lung cancer cell, H1299, lines; Cyclamen extract induced cellular death of both HeLa and H1299 cells in a dose dependent manner. We also analyzed the capacity of cyclamen extract to induce apoptosis by the TUNEL method. Here, for the first time we report that the extract of Cyclamen coum, an endemic plant for Turkey, Bulgaria, Georgia and the Middle East can induce cytotoxicity via apoptosis in HeLa and H1299 cells. These results imply that cyclamen extract can be further analyzed to potentially find novel anticancer compounds.
New Generalizations of Ostrowski-Like Type Inequalities for Fractional Integrals
Yildiz, Cetin,Ozdemir, Muhamet Emin,Sarikaya, Mehmet Zeki Department of Mathematics 2016 Kyungpook mathematical journal Vol.56 No.1
In this paper, we use the Riemann-Liouville fractional integrals to establish several new inequalities for some differantiable mappings that are connected with the celebrated Ostrowski type integral inequality.
A CLASSIFICATION OF (κ, μ)-CONTACT METRIC MANIFOLDS
Yildiz, Ahmet,De, Uday Chand Korean Mathematical Society 2012 대한수학회논문집 Vol.27 No.2
In this paper we study $h$-projectively semisymmetric, ${\phi}$-pro-jectively semisymmetric, $h$-Weyl semisymmetric and ${\phi}$-Weyl semisym- metric non-Sasakian ($k$, ${\mu}$)-contact metric manifolds. In all the cases the manifold becomes an ${\eta}$-Einstein manifold. As a consequence of these results we obtain that if a 3-dimensional non-Sasakian ($k$, ${\mu}$)-contact metric manifold satisfies such curvature conditions, then the manifold reduces to an N($k$)-contact metric manifold.
METALLIC INTERFACES IN HARSH CHEMO-MECHANICAL ENVIRONMENTS
Yildiz, Bilge,Nikiforova, Anna,Yip, Sidney Korean Nuclear Society 2009 Nuclear Engineering and Technology Vol.41 No.1
The use of multi scale modeling concepts and simulation techniques to study the destabilization of an ultrathin layer of oxide interface between a metal substrate and the surrounding environment is considered. Of particular interest are chemo-mechanical behavior of this interface in the context of a molecular-level description of stress corrosion cracking. Motivated by our previous molecular dynamics simulations of unit processes in materials strength and toughness, we examine the challenges of dealing with chemical reactivity on an equal footing with mechanical deformation, (a) understanding electron transfer processes using first-principles methods, (b) modeling cation transport and associated charged defect migration kinetics, and (c) simulation of pit nucleation and intergranular deformation to initiate the breakdown of the oxide interlayer. These problems illustrate a level of multi-scale complexity that would be practically impossible to attack by other means; they also point to a perspective framework that could guide future research in the broad computational science community.
A RECENT EXTENSION OF THE WEIGHTED MEAN SUMMABILITY OF INFINITE SERIES
YILDIZ, SEBNEM The Korean Society for Computational and Applied M 2021 Journal of applied mathematics & informatics Vol.39 No.1
We obtain a new matrix generalization result dealing with weighted mean summability of infinite series by using a new general class of power increasing sequences obtained by Sulaiman [9]. This theorem also includes some new and known results dealing with some basic summability methods.