Hasan Gokce
Mustafa Kemal University
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Featured researches published by Hasan Gokce.
Environmental Toxicology | 2015
Murat Mehmet Rifaioglu; Fatih Sefil; Hasan Gokce; Ahmet Nacar; Bayram Ali Dorum; Mursel Davarci
Paraquat (PQ), which is used extensively as a potent herbicide throughout the world, is highly toxic in humans. We aimed to determine PQ‐induced biochemical and histologic changes in the kidneys, and to evaluate the ability of the protective effects of caffeic acid phenethyl ester (CAPE) against PQ‐induced injury in rats. Forty‐eight rats were divided into eight groups of six: Group 1: Control; Group 2: 10 μmol/kg CAPE; Group 3: 15 mg/kg PQ; Group 4: 30 mg/kg PQ; Group 5: 45 mg/kg PQ; Group 6: 15 mg/kg PQ+CAPE; Group 7: 30 mg/kg PQ+CAPE; Group 8: 45 mg/kg PQ+CAPE. PQ and CAPE were injected intraperitoneally. The levels of the total oxidant status (TOS) and total antioxidant status (TAS) were determined in the supernatants of the excised left kidney. Right kidney tissue of each rat was removed to obtain a histologic score. When PQ‐administrated (15, 30, 45) groups compared with other groups, TOS values were found to be significantly higher (p < 0.01). PQ (15, 30, 45) groups had significantly diminished values of TAS than the other groups (p < 0.001). Of histologic score evaluation, only the PQ45 group had a significantly higher value than the sham, and CAPE groups (p < 0.05). Moreover, in CAPE+PQ45 group, the level of histologic score was decreased compared to PQ45 group (p < 0.001). In conclusion, the evaluation of the data suggests that CAPE can be used to prevent the acute effects of PQ nephrotoxicity.
Renal Failure | 2014
Recep Dokuyucu; Bulent Gogebakan; Onder Yumrutas; Ibrahim Bozgeyik; Hasan Gokce; Tuncer Demir
Abstract There is very little work on the expression of TRPM6/7 in ischemia reperfusion models. In previous studies, after ischemia, reperfusion had been kept limited to 24 h, yet in our study, expressions of these channels were elucidated after its modification to 48 h to establish what kind of changes renal tissues undergo. For the current study, 20 Wistar albino rats were divided into two groups equally. Group I: control group, Group II = I/R group (60 min ischemia + 48 h reperfusion). For the mRNA analysis, right kidneys of I/R group was used as a reference in order to eliminate genetic differences. The left renal artery (I/R generated part) of I/R area was removed from all rats in the second group. Likewise, normal tissues of right renal artery were removed from all rats. Histopathologic scoring of the tissue samples were achieved semi-quantitatively according to normal tissue composition. Consequently, both TRPM6 and TRPM7 expression levels were decreased in all groups according to control groups, yet results were not counted as significant (p > 0.05). Additionally, correlation analysis confirmed these results. Also, I/R performed kidneys had more tissue damage compared to control group. To conclude, our study results suggest that TRPM6/7 expressions may be increased and after 48 h of reperfusion expression levels of these two stored to normal levels. At the same time, damages have occurred in renal tissues after ischemia. These damages were considered to be resulted from the oxidative effects as previously reported.
American Journal of Men's Health | 2017
Murat Mehmet Rifaioglu; Onur Demirbas; Hasan Gokce; Mursel Davarci
Mean platelet volume (MPV) has been reported to be related to inflammation. Prostate-specific antigen (PSA) is a protein produced by the prostate, and this protein may be elevated for several reasons, including prostatitis, benign prostatic hyperplasia, and/or cancer. The aim of the current study was to investigate the predictive effect of MPV values on nonsymptomatic prostatitis diagnosis and the relation between MPV and PSA. A total of 275 patients, 89 affected by benign prostate hyperplasia, 94 by prostate adenocancer, and 92 by prostatitis were included in the current study. PSA, total blood count parameters, and urine analysis were investigated. Findings were compared with the groups. The correlation between MPV and the other parameters were analyzed. Univariate and multivariate logistic regression analysis was performed to determine independent predictors of nonsymptomatic prostatitis diagnosis. MPV was significantly higher in patients with nonsymptomatic prostatitis than the other groups. There were negative correlations between MPV and age, total PSA or free PSA (r = −.123; p = .042, r = −.235; p < .001, r = −.184; p = .006, respectively). According to multivariate regression model, only MPV was identified as the predictive factor for nonsymptomatic prostatitis (odds ratio: 1.451, 95% confidence interval [1.116, 1.887], p = .005). MPV, in the absence of other reasons that increased the MPV level, was significantly increased in cases with nonsymptomatic prostatitis; this increase is significantly higher than elevated PSA level in nonsymptomatic prostatitis patients. MPV could have a predictive value for the diagnosis of nonsymptomatic prostatitis.
Wspolczesna Onkologia-Contemporary Oncology | 2013
Tümay Özgür; Mehmet Mustafa Akin; Hasan Gokce; Mursel Davarci
There are several tumor-like lesions and miscellaneous neoplasms of the rete testis. We present a case with adenomatous hyperplasia of the rete testis (AHRT). The patient was 24 years old with undescended testis and was referred to our hospital. There were no clinical or endocrine abnormalities. Cryptorchidism was unilateral and the other testis was normal. Right orchiectomy was performed and sent to the pathology laboratory for examination. Morphologic and immunohistochemistry findings confirmed the diagnosis of AHRT in this case. The patients postoperative course continues uneventfully. AHRT is a rare lesion and can be confused with malignancy. It is incidentally detected in microscopic investigation. It may present as a very small lesion detected in microscopic examination or a solid-cystic mass lesion which is macroscopically evident. Clinical history, localization, histologic features and immunohistochemistry are criteria for differentiating these lesions. We present this rare case for both surgeons and pathologists due to its importance as it can be confused with malignancy.
International Journal of Clinical and Experimental Medicine | 2014
Fatih Sefil; İbrahim Kahraman; Recep Dokuyucu; Hasan Gokce; Atakan Ozturk; Okan Tutuk; Mehmet Dumlu Aydin; Ümit Özkan; Neslihan Pınar
International Journal of Clinical and Experimental Medicine | 2015
Recep Dokuyucu; Hasan Gokce; Mustafa Sahan; Fatih Sefil; Zeynel Abidin Taş; Okan Tutuk; Atakan Ozturk; Cemil Tumer; Cengiz Cevik
Journal of Hard Tissue Biology | 2018
Vedat Uruc; İbrahim Gökhan Duman; Serkan Davul; Raif Özden; Ramazan Gonenci; Hasan Gokce; Recep Dokuyucu; Abdurrahman Akdag
Journal of Hard Tissue Biology | 2017
İbrahim Gökhan Duman; Serkan Davul; Hasan Gokce; Ramazan Gonenci; Raif Özden; Vedat Uruc
International Journal of Pediatric Otorhinolaryngology | 2017
Mehmet İhsan Gülmez; Şemsettin Okuyucu; Recep Dokuyucu; Hasan Gokce
Journal of Forensic and Legal Medicine | 2016
Hasan Gokce; Ramazan Akçan; Adnan Çelikel; Cem Zeren; Ibrahim Ortanca; Sumeyra Demirkiran