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- MakaleAçık Erişim2012Scopus SJRQ2Changes in nitric oxide levels and erythrocyte arginase activities in patient with Down syndrome
Ozbey, Ulku; Seyran, Ayse; Erisir, Mine; Benzer, Fulya; Savucu, Yuksel
Down syndrome is a chromosome abnormality with specific clinical symptoms and mental retardation caused by trisomy of chromosome 21. There is evidence that oxygen free radicals play an important role in the pathophysiology of many neuropsychiatric disorders. Although, it has not been investigated yet, several recent studies proposed that nitric oxide related to oxidative stress and arginase may have a pathophysiological role in mental retardation. The purpose of this study was to determine plasma nitric oxide levels and erythrocyte arginase activities in patients with Down syndrome and in healthy children. Plasma nitric oxide levels and erythrocyte arginase activity were measured in 20 patients with Down syndrome (median age: 15.6 +/- 7.5) and 20 age-matched healthy subjects (median age: 16.2 +/- 7.4). Significant differences were found between erythrocyte arginase activity of the patients with Down syndrome (35.2 +/- 2.7 U/g hemoglobin (Hb)) and those of healthy children (43.5 +/- 2.9 U/g Hb), (P < 0.05). But we have not found any statistical difference between persons with Down syndrome and control group for nitric oxide (P > 0.05). It was concluded that the level of erythrocyte arginase activity could be considered as a useful marker for assessing the level of mental retardation in children with Down syndrome.
- MakaleYalnız künye2011Studying the relationship between employees' occupational burnout levels and satisfaction of life: A research in private banks
Cakinberk, Arzu
This study was carried out to determine whether bank employees' burnout levels and satisfaction of life differentiate significantly according to certain variables and to reveal the relationship between them. Bank employees' satisfaction of life was measured by using Satisfaction of Life Scale and their burnout levels by Maslach Burnout Inventory. The main scope of research comprised of bank employees working in cities of Sivas and Tunceli. A total of 264 bank employees participated in this research. As a result of this research, it appeared that participants' satisfaction of life levels were generally high. When the mean scores obtained by them from burnout scale were scrutinized, it was observed that sample's emotional burnout and depersonalization levels were high and the personal accomplishment levels were medium. It was concluded in the research that there was a poor relationship between burnout and satisfaction of life. In addition, certain differences were discovered in each of the three sub dimensions of burnout levels of bank employees, in terms of variables such as gender, age, marital status, education and length of service.
AtıfWoS1
İncele - MakaleAçık Erişim2011Scopus SJRQ3Comparison of the survival and growth performance in rainbow trout (Oncorhynchus mykiss) and brown trout (Salmo trutta fario) fry
Kizak, Volkan; Guner, Yusuf; Turel, Murat; Can, Erkan; Kayim, Murathan
Rainbow trout is an intensively cultured species because of their more cultivable character than brown trout. Culture of brown trout could not be expanded due to low growth performance of brown trout compared to rainbow trout. This experiment was conducted in a commercial trout farm, Aegean area (Turkey). Growth performances and survivals of rainbow and brown trouts from fry to fingerling was observed for 155 days. Growth performances, feed conversion rates (FCR) and survivals were determined. Initial weights of rainbow and brown trouts were 0.1 +/- 0.01 g. Final weights were 26.5 +/- 5.19 and 12.97 +/- 2.74 g, respectively at the end of the experiment. Survival and FCR of rainbow and brown trouts were 83.9, 80 and 0.59, 0.61% respectively. As a result, there is a similarity between these two trout species in point of survivals and FCR's although, growth performance was obviously better than brown trout in early development of rainbow trout.
AtıfWoS5OpenAlex16İncele - MakaleYalnız künye2011Scopus SJRQ3Levels of copper in liver, muscle and gill tissues in Capoeta trutta (Heckel, 1843) from Munzur River, Turkey
Danabas, D.; Benzer, F.; Kaplan, O.; Yildirim, N. C.
Heavy metal pollution of waters is a major environmental problem. Due to their toxicity, long persistence, bioaccumulative and nonbiodegradable properties in the food chain, heavy metals constitute a core group of aquatic pollutants. Capoeta trutta is an economically important fish and the object of significant commercial fishery in the Munzur River. Levels of Cu were measured in samples of the muscle, gill and liver tissues of C. trutta from Munzur River. In liver copper levels were higher at Station I (6.15 mg kg(-1)) polluted by domestic waste than Station II (5.48 mg kg(-1)) (P<0.05). The highest copper level (7.25 mg kg(-1)) was measured in muscle tissue at Station II. There was found no statically differences between stations in gill and muscle (P>0.05). It is suggested that ecological condition of freshwater fish and contamination levels in Munzur River must be regularly monitored.
AtıfWoS7İncele - MakaleYalnız künye2011Scopus SJRQ3A comparison of the survival and growth performance in rainbow trout (Oncorhynchus mykiss) and brown trout (Salmo trutta fario) fry
Kizak, Volkan; Guner, Yusuf; Turel, Murat; Can, Erkan; Kayim, Murathan
The rainbow trout is an intensively cultured species because of its more cultivatable character than the brown trout. In this experiment, the brown trout culture did not expand due to low growth performance compared to that of the rainbow trout. This experiment was conducted in a commercial trout farm, Aegean Area (Turkey). Growth performances and survivals of rainbow and brown trouts from fry to fingerling were observed for 155 days. Growth performances, feed conversion rates and survivals were determined. The initial weights of the rainbow and brown trouts were 0.1 +/- 0.01 g. Final weights were 26.5 +/- 5.19 g and 12.97 +/- 2.74 g, respectively at the end of experiment. Survival and FCR of rainbow and brown trouts were 83.9 and 80%; 0.59 and 0.61 respectively. As a result, there is a similarity between these two trout species in point of survivals and FCR's although growth performance of the rainbow trout was significantly better than that of the brown trout.
AtıfWoS4İncele - MakaleYalnız künye2011Scopus SJRQ2Compensatory effects of curcumin on cisplatin-induced toxicity in rabbit testis
Kandemir, F. M.; Benzer, F.; Yildirim, N. C.; Ozdemir, N.
Curcumin, a widely used spice and colouring agent in food, has been shown to possess potent antioxidant, antitumor promoting and anti-inflammatory properties in vitro and in vivo. The present study was designed to investigate the protective effects of curcumin on changes in the levels of lipid peroxidation and endogenous antioxidants induced by cisplatin (cis-diamminedichloroplatinum II, CDDP) in the testiclular tissue of rabbits. 18 healthy male New Zealand white rabbits were equally divided into three groups of six rabbits each, control, cisplatin, and cisplatin+curcumin. The degree of protection produced by cisplatin was evaluated by determining the level of malondialdehyde (MDA) and glutathione (GSH), the activity of catalase (CAT), glutathione peroxidase (GSH-Px), were estimated from testes homogenates. MDA levels were increased with cisplatin compared to control but in cisplatin+curcumin group, MDA levels were found to be lower than cisplatin group (p<0.05). The activity of CAT and GSH-P-X was decreased in cisplatin and cisplatin+curcumin groups compared to control (p<0.05). In the case of cisplatin+curcumin CAT and GSH-Px activity were increased compared to cisplatin group (p<0.05). GSH levels were decreased with cisplatin but administration cisplatin+curcumin increased the levels of GSH comared to cisplatin group (p<0.05). In the present study, co-administration of curcumin with cisplatin prevented the damage to testes induced by this drug and may be considered as a potentially useful candidate in the combination chemotherapy with cisplatin.
AtıfWoS22İncele - DergiAFRICAN JOURNAL OF BUSINESS MANAGEMENT
- DergiAFRICAN JOURNAL OF AGRICULTURAL RESEARCH
- DergiAFRICAN JOURNAL OF PHARMACY AND PHARMACOLOGY
- DergiJOURNAL OF MEDICINAL PLANTS RESEARCH