background: salmonella is one of the major causes of human diseases related to food consumption. salmonella typhi and s. para-typhi are causes of typhoidal and para-typhoidal infections. some infected individuals recovering from this infection become temporary or permanent carriers, harboring the organisms in the gallbladder, biliary tract, or rarely in their intestines. the aims of this study ...

objective(s): many cancer cells show significant resistance to drugs that kill drug sensitive cancer cells and non-tumor cells and such resistance might be a consequence of the difference in metabolism. therefore, studying the metabolism of drug resistant cancer cells and comparison with drug sensitive and normal cell lines is the objective of this research. material and methods:metabolism of c...

objective(s): klebsiella infections are caused mainly by k. pneumoniae and k. oxytoca. in the last two decades, a new type of invasive klebsiella pneumoniae which contains mucoviscosity-associated gene (maga) has emerged. the aim of this study was to investigate the prevalence of maga gene and to detect antimicrobial susceptibility patterns of klebsiella   spp. isolated from clinical samples.  ...

acute lymphoblastic leukemia (all) is one of the most prevalent hematologic malignancies in children. although the cure rate of all has improved over the past decades, the most important reason for all treatment failure is multidrug resistance (mdr) phenomenon. the current study aims to explain the mechanisms involved in multidrug resistance of childhood all, and introduces atp-binding cassette...

abstract introduction: septicemia is an important and common cause of neonatal mortality and morbidity. several factors such as genetic, social, hygienic and nutritional factors are effective on the frequency of bacterial pathogens in neonatal septicemia, several studies have performed to determine common pathogens in the different parts of the world. objective: comparison of neonatal bacterial...

background cystic fibrosis (cf) is a genetic disease with an autosomal recessive pattern of inheritance. cf caused by a mutation in the cystic fibrosis transmembrane conductance regulator (cftr) gene and characterized by impaired transport of chloride ions across the cell membrane. staphylococcus aureus, pseudomonas aeruginosa, and burkholderia cepacia have been identified in the cultures of re...

purpose the purpose of this study was to evaluate the effect of an eight-week progressive resistance training and vibration program on strength and ambulatory function in multiple sclerosis (ms) patients. methods twenty-four female ms patients with the following demographics: age 27-45 years, and expanded disability status scale (edss) 2-4, participated in this study. the subjects were randomly...