background: asthma is caused by the combination of different factors. current concepts of asthma pathogenesis emphasize on gene-environment interactions. mega-genome scanning projects revealed that different single nucleotide polymorphisms (snps) are related to asthma susceptibility. rs7216389-t is one of them that is related to childhood asthma and its effect on childhood asthma severity has b...

objectives: in present study we aimed to clone the lux i gene encoding n-acyl-homoserine synthase detected in biofilm forming clinical isolates of acinetobacter baumannii and study its expression in escherichia coli transformants. materials and methods: four a. baumannii hospital strains which demonstrated strong biofilm activity were selected in this investigation. the presence of lux i gene w...

purpose: the main purpose of this study was to evaluate the prevalence of herpes simplex virus 1 and 2 (hsv-1 and hsv-2), varicella-zoster virus and adenovirus associated with conjunctivitis in swab samples of patients who referred to eye specialist hospitals in tehran. methods: in this cross-sectional study, swab samples from patients with acute conjunctivitis during the first sixth months of ...

conclusions multiplex sybr green real-time pcr is a rapid and relatively inexpensive method for detection of respiratory viruses. results application of the multiplex sybr green real-time pcr in clinical samples from 172 patients in a one-year study resulted in detection of 19 (11.04%) piv3, 9 (5.23%) piv4, and 1 (0.58%) coronavirus nl63. all the positive samples were detected during december t...

background and aims. the aim of this clinical investigation was to compare clinical and microbiological effectiveness of adjunctive chx gel in the treatment of periodontitis. materials and methods. twenty-four subjects with localized or generalized moderate-to-severe chronic periodontitis underwent scaling and root planing. one tooth in each quadrant with a probing depth of >4 mm was chosen for...