Person:
ÖZER, ÖMER FARUK

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ÖMER FARUK
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ÖZER
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Now showing 1 - 3 of 3
  • PublicationOpen Access
    Protective and therapeutic effects of pyrrolidine dithiocarbamate in a rat tongue cancer model created experimentally using 4-nitroquinoline 1-oxide.
    (2020-11-01T00:00:00Z) Doğan, R; Hafız, AM; Gucin, Z; Ozer, OF; Ozturan, O; Yenigun, Alper; DOĞAN, REMZI; GÜCİN, ZÜHAL; ÖZER, ÖMER FARUK; YENİGÜN, ALPER; ÖZTURAN, ORHAN
  • PublicationOpen Access
    Dry Eye and Dry Nose Caused by the Effect of Allergic Rhinitis on Tear and Nasal Secretion Osmolarity.
    (2020-03-17T00:00:00Z) Elbay, A; Yenigun, A; Ozturan, O; Bayraktar, H; Ozer, Ömer Faruk; Dogan, R; YENİGÜN, ALPER; ELBAY, AHMET; ÖZDEM, ABDULLAH; ÖZER, ÖMER FARUK; DOĞAN, REMZI; ÖZTURAN, ORHAN
    Objective: Allergic rhinitis is a type 1 hypersensitivity reaction of immunoglobulin E in the rhino-ocular mucosa. This study was planned to demonstrate in patients with allergic rhinitis to evaluate changes in tear, nasal secretions, and blood osmolarity compared to healthy individuals. Method: Forty allergic rhinitis patients, 25 patients with acute upper respiratory tract infections, and 26 healthy participants were included in the study. Positive patients with allergic symptoms and skin prick test results were included in the allergic rhinitis group. Tear, nasal secretion, and blood osmolarity values were examined for the 3 groups. Result: In patients with allergic rhinitis, tear and nasal secretion osmolarity values were significantly higher in patients with acute upper respiratory tract infections and those of the healthy participants (P ¼ .001, P ¼ .038). In blood osmolarity measurements, there was no statistical difference between the groups (P ¼ .489). In patients with allergic rhinitis, Schirmer test results were significantly shorter than patients who had acute upper respiratory tract infection and those of the healthy participants (P ¼ .001, P ¼ .001). Patients with allergic rhinitis and acute upper respiratory tract infections had significantly shorter Schirmer test results than in healthy participants (P ¼ .001, P ¼ .001). Conclusion: Tear osmolarity was increased in allergic rhinitis patients, and this was thought to lead to dry eye findings. In the presence of allergic rhinitis, nasal secretions were found more hyperosmolar than tears. Nasal secretion osmolarity was higher in allergic rhinitis patients than in patients with acute upper respiratory tract infections and control group.
  • PublicationOpen Access
    An Evaluation of the Protective Effects of Thymoquinone on Amikacin-Induced Ototoxicity in Rats
    (2015-12-01) TUGRUL, Selahattin; Dogan, REMZİ; AKSOY, Fadlullah; VEYSELLER, Bayrann; Ozer, Omer Faruk; PEKTAS, Alev; AKSOY, FADLULLAH; DOĞAN, REMZI; ÖZTURAN, ORHAN; TUĞRUL, SELAHATTİN; ÖZER, ÖMER FARUK
    Objectives. In this study we investigated the probable protective effects of thymoquinone on amikacin-induced ototoxicity in rats. Methods. Thirty-two healthy rats were divided into four groups (amikacin, amikacin+thymoquinone, thymoquinone, and no treatment). Thymoquinone was fed to the rats via oral gavage in a dose of 40 mg/kg/day throughout the study period of 14 days. Amikacin was given by the intramuscular route in a dose of 600 mg/kg/day. Audiological assessment was conducted by the distortion product otoacoustic emission (DPOAE) and auditory brainstem response (ABR) tests, administered to all rats at the beginning of the study, and also on days 7 and 15. Biochemical parameters were calculated at the termination of the study to evaluate the oxidative status. Results. There were significant decreases in DPOAE values and significant increases in ABR thresholds of the amikacin group on days 7 and 15, as compared to the amikacin+thymoquinone group. While ABR thresholds of the amikacin group increased significantly on days 7 and 15 as compared to their initial values, there were no significant differences between the initial and the 7th and 15th day values of ABR thresholds in the amikacin+thymoquinone group. Total oxidant status and oxidative stress index values of the amikacin+thymoquinone group were significantly lower than those of the amikacin group. Total antioxidant status values of the amikacin+thymoquinone group were significantly higher than those of the amikacin group. Conclusion. Our study has demonstrated that the ototoxic effect brought forth by amikacin could be overcome with the concurrent use of thymoquinone.