Yazar "Simsek, Ozkan" için listeleme
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Activity of 3 beta-hydroxysteroid dehydrogenase associated with progesterone production in bovine granulosa cells cultured under different concentrations of serum, insulin-like growth factor I, and gonadotropin
Simsek, Ozkan; Mihm, Monika (Scientific Technical Research Council Turkey-Tubitak, 2014)Three-beta-hydroxysteroid dehydrogenase (3 beta-HSD) is the enzyme responsible for progesterone production. This study aimed to determine whether 3 beta-HSD activity can be shown to reflect progesterone production by ... -
Comparing levels of certain heavy metals and minerals and antioxidative metabolism in cows raised near and away from highways
Ekici, Husamettin; Simsek, Ozkan; Arikan, Sevket; Eren, Meryem; Guner, Bayram (Scientific Technical Research Council Turkey-Tubitak, 2015)The scope of this study was to investigate the concentrations of certain heavy metals, mineral levels, and antioxidative metabolism in cows raised near (300 m) and away from highways (2.5 km) in Cankiri Province. For this ... -
Determination of alpha-naphthyl acetate esterase (ANAE) activity in peripheral blood leukocytes of pregnant, adult, and kitten Angora cats
Bayraktaroglu, Alev Gurol; Simsek, Ozkan; Kurum, Aytul; Arikan, Sevket; Ergun, Emel (Scientific Technical Research Council Turkey-Tubitak, 2015)This study aimed to determine the alpha-naphthyl acetate esterase (ANAE) activity of peripheral blood leukocytes in pregnant, kitten, and adult Angora cats. In each group 9 healthy pregnant, adult, and kitten Angora cats ... -
Effects Of Acetamiprid, Methomyl, And Deltamethrin On Steroidogenesis In Cultured Bovine Luteal Cells
Arikan, Sevket; Simsek, Ozkan; Kalender, Hakan; Essiz, Dinc; Atmaca, Nurgul; Kabakci, Ruhi; Bilmen, Fatih Sultan (Parlar Scientific Publications (P S P), 2017)Acetamiprid, methomyl, and deltamethrinare widely used insecticides in agriculture and industry; thus, livestock may receive substantial exposure to such substances. This study was designed to evaluate the effect of these ... -
The effects of LH on progesterone production by cell subpopulations isolated from early and late luteal phase goat corpora lutea
Kalender, Hakan; Arikan, Sevket; Simsek, Ozkan (Scientific Technical Research Council Turkey-Tubitak, 2014)The objective of this study was to investigate the complementary effects of luteinizing hormone (LH) on cell subpopulations. Corpora lutea were collected on days 5 and 15 of the cycle. The luteal tissues were treated with ... -
Effects of mancozeb, metalaxyl and tebuconazole on steroid production by bovine luteal cells in vitro
Atmaca, Nurgul; Arikan, Sevket; Essiz, Dinc; Kalender, Hakan; Simsek, Ozkan; Bilmen, Fatih Sultan; Kabakci, Ruhi (Elsevier Science Bv, 2018)Mancozeb, metalaxyl and tebucanazole are widely used pesticides in agriculture and industry to treat plant pathogenic fungi. Livestock may be exposed to such substances by consuming contaminated plants. The present study ... -
Heavy metal accumulation and oxidative-antioxidative status in Angora goats depending on age
Simsek, Ozkan; Ekici, Husamettin; Cinar, Miyase; Atmaca, Nurgul; Arikan, Sevket; Guner, Bayram (Parlar Scientific Publications (P S P), 2015)This study intends to designate the alterations in the oxidant-antioxidant parameters and the heavy metal concentrations based on age of Angora goats bred in Cankiri-province of Turkey. In order to conduct an analysis of ... -
In vitro Effects of Linuron on Luteal Progesterone Synthesis
Bilmen, Fatih Sultan; Arikan, Sevket; Simsek, Ozkan; Atmaca, Nurgul; Kalender, Hakan; Essiz, Dinc; Kabakci, Ruhi (Wiley-Blackwell, 2016)… -
Reference values for selected hematological and biochemical blood parameters from prepregnancy to advanced gestation in Angora cats
Simsek, Ozkan; Arikan, Sevket; Cinar, Miyase (Scientific Technical Research Council Turkey-Tubitak, 2015)The aim of this study was to monitor some hematological and biochemical blood parameters from prepregnancy to advanced gestation in Angora cats. In the present study, 35 blood samples obtained before and during pregnancy ... -
Some electrocardiographic values of Angora goats
Atmaca, Nurgul; Simsek, Ozkan; Emre, Bahri (Ankara Univ Press, 2014)Electrocardiography is a noninvasive and easily applied technique used in the determination of cardiac hypertrophy and dilatation, the classification of cardiac arrhythmias, and the diagnosis of conduction abnormalities. ...