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Showing 2 results for Abdi

Shahram Abdoli Oskouie, Mohammad Ahangarzadeh Rezaee , Ali Ajhangh , Babak Abdinia,
Volume 13, Issue 1 (spring 2013)

  Background & Objectives: Staphylococci are among common causes of community acquired and nosocomial infections around the world. Over the last decade, the resistance of these bacteria in hospital environments is increasing to various antibiotics such as vancomycin. The aim of present study was to determine the antimicrobial resistance pattern and Minimum Inhibitory Concentration (MIC) values among a clinical collection of staphylococci isolated from hospitalized children in Tabriz.

  Methods: In this prospective and descriptive study, 88 staphylococcal isolates including 53 S. aureus and 35 coagulase-negative staphylococcus species were recovered from various clinical specimens referred to microbiology laboratory of Children Hospital during study period (April 2011 to March 2012). Susceptibility of the isolates against 15 different antimicrobial agents and MIC values of vancomycin was tested using standard disk diffusion and E-test methods respectively.

  Results: According to the results of drug susceptibility testing, vancomycin and rifampin were the most effective but clindamycin and penicillin were the least effective drugs against tested isolates. Accordingly, the prevalence of methicillin resistant Staphylococcus aureus (MRSA) strains was determined more than 80%. According to MIC values, 13.2% of S. aureus and 3.3% of coagulase-negative staphylococcus isolates showed intermediate resistance to vancomycin. None of the isolates was fully resistant to vancomycin isolates in this study.

  Conclusion: Although fully vancomycin resistant staphylococci was not found among tested isolates in this study, there was VISA strains. Since there are reports on the emergence of VRSA strains from Iran and other countries, it is necessary for the clinician to care in prescription of vancomycin as a selective drug against staphylococcal infections. Moreover, the necessity of MIC measurement in determining of vancomycin susceptibility is more apparent.

Ali Abdi, Nasrin Ramezani , Mehdi Amini ,
Volume 18, Issue 1 (spring 2018)

Background & objectives: Irisin is a novel myokine that encoded by FNDC5 gene and effects on obesity, metabolism and glucose homeostasis through browning of white adipose tissue and thermogenesis. The main purpose of this study was to investigate the changes of FNDC5 gene expression and Irisin protein level of visceral fat tissue after eight weeks of resistance training in type 2 diabetic rats.
Methods: Eighteen male Wistar rats (8 week old) were used for this study. Diabetes was induced using nicotinamide and streptozotocin . Five days after inducing diabetes, rats with fasting blood glucose levels between 127-600 mg / dl were selected as diabetic subjects. Rats were homogenized according to the body weight and assigned into two groups including control-diabetes (n=9) and resistance training-diabetes (n=9). Training group exercised resistance training for eight weeks (5 days a week). The resistance training protocol consisted of climbing   a one-meter- high ladder, with a weight attached to a tail sleeve. Quantitative Real time RT-PCR and ELISA Kit were used for assessment of expression level of FNDC5 gene and Irisin protein, respectively. Data were analyzed using independent t- test at p≤0.05.
Results: Resistance training significantly increased the expression level of FNDC5 gene and Irisin protein in visceral adipose tissue in type 2 diabetic rats.
Conclusion: It seems that FNDC5 gene and Irisin protein have an important role in metabolic diseases and can be affected by resistance training. Perhaps the changes in the levels of these metabolic indicators is a potential new target for the treatment of metabolic disorders, such as T2DM (type 2 diabetes).

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مجله دانشگاه علوم پزشکی اردبیل Journal of Ardabil University of Medical Sciences
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