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Subject: search.filters.subject.N-acetylcysteine

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    The long term effects of intrascrotal low dose and high dose N-acetylcysteine on testis damage in rat model of testicular torsion
    (2020) Acer-Demir, Tugba; Mammadov, Mirhuseyn; Ocbe, Pinar; Coruhlu, Asyanur; Coskun, Dicle; Nazik, Yaren; Tufekci, Isil; Guney, Lutfi Hakan; Hicsonmez, Akgun; 0000-0002-2500-5401; 0000-0001-5391-9094; 31668653; AAK-6241-2021; E-4455-2019
    Background/Purpose: During testicular torsion, the testes face oxidative damage owing to ischemia/reperfusion. We studied the long term effects of the intrascrotal administration of N-acetylcysteine (NAC) during detorsion procedure in a rat model of testicular torsion. Methods: Twenty-eight rats were divided into 4 groups: (1) Control group: No procedure was done (2): Torsion-detorsion group: Testis torsion applied for 3 h (3): Low Dose Group: After testis torsion-detorsion (for 3 h) 10 mg/kg NAC was given into tunica vaginalis (4): High Dose Group: After testis torsion-detorsion (for 3 h) 100 mg/kg NAC was given into tunica vaginalis. We measured dimensions of the testes and examined pathological findings and Johnsen and Cosantino Scores. Results: For testes height and volume, high dose NAC group had better results than the torsion-detorsion group (p = 0.019, p = 0.049). Testes weight showed no difference (p = 0.204). Sertoli cell number per tubule in the high dose NAC group was statistically different than the torsion-detorsion group (p = 0.017). Conclusions: When NAC was given intrascrotally at a dose of 100 mg/kg, it decreased the loss of testis volume and height, and Sertoli cell number per tubule was similar to the control group. These results suggest that the higher dose intrascrotal NAC administered during detorsion may have a protective effect. (C) 2019 Elsevier Inc. All rights reserved.
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    The effect of N-acetyl cysteine on biofilm layers in an experimental model of chronic otitis media
    (2020) Callioglu, Elif Ersoy; Bercin, Sami; Basdemir, Gulcin; Kiris, Muzaffer; Tatar, Ilkan; Tuzuner, Arzu; Oguzhan, Tolga; Muderris, Tuba; Sargon, Mustafa Fevzi; Korkmaz, Mehmet Hakan; 33558775
    Objective. The aim of this study was to investigate the efficacy of N-acetylcysteine (NAC) on biofilm layers and on the course of disease in chronic otitis media. Methods. Twenty-five rats that were induced with chronic otitis media (COM) were separated into three groups. In Group 1 (N = 18), 0.2% ciprofloxacin + 0.1% dexamethasone sodium phosphate + 0.5 mg/ml NAC solution was locally injected to the right ear of the rats; in Group 2, (N=18) 0.2% ciprofloxacin + 0.1% dexamethasone sodium phosphate was locally injected to the left ear of the rats. No treatment was applied to either ear of rats in Group 3 (N = 5). Histopathological and scanning electron microscope (SEM) evaluations were performed in all groups. Results. SEM revealed biofilm formation in all COM induced groups. No significant difference was seen between groups 1 and 2 in terms of suppuration levels, fibrosis, inner ear involvement, infection staging and biofilm formation (p > 0.05). Conclusions. In this study, while histopathological and SEM evaluation revealed no effect of 0.5 mg/ml NAC on the biofilm layer in COM-induced rats, further studies with NAC at different concentrations are still needed on different types of experimental animals.