نتایج جستجو برای: polymerase chain reactionn

تعداد نتایج: 352457  

Journal: :jundishapur journal of microbiology 0
nader saki department of otolaryngology, head and neck surgery, hearing and speech research centre, ahvaz jundishapur university of medical sciences, ahvaz, ir iran mojtaba jahani department of otolaryngology, hearing and speech research centre, ahvaz jundishapur university of medical sciences, ahvaz, ir iran alireza samarbaf department of virology, health research institute, infectious and tropical diseases research center, ahvaz jundishapur university of medical sciences, ahvaz, ir iran gholam abbas kaydani department of otolaryngology, hearing and speech research centre, ahvaz jundishapur university of medical sciences, ahvaz, ir iran soheila nikakhlagh department of infectious diseases, health research institute, infectious and tropical diseases research center, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; department of infectious diseases, health research institute, infectious and tropical diseases research center, ahvaz jundishapur university of medical sciences, ahvaz, ir iran. tel: +98-6133738283, fax: +98-6132921838 malek kenani department of pathology, health research institute, infectious and tropical diseases research center, ahvaz jundishapur university of medical sciences, ahvaz, ir iran

conclusions there is a significant correlation between tympanosclerosis and h. pylori (p = 0.002). this correlation can single out h. pylori as a pathological factor in the development of tympanosclerosis; however, further studies are needed to prove this correlation. results from a total of 19 patients with tympanosclerosis , 16 cases (84.2%) were h. pylori positive, while in the control group...

Journal: :journal of dentistry, tehran university of medical sciences 0
n. sargolzaee associate professor, department of periodontics, school of dentistry, mashhad university of medical hr. arab associate professor, department of periodontics, school of dentistry, mashhad university of medical a. moeintaghavi associate professor, department of periodontics, school of dentistry, mashhad university of medical m. radvar associate professor, department of periodontics, school of dentistry, mashhad university of medical

objective: the aim of this study was to investigate the existence of human t-lymphotropic virus type 1 (htlv-1) in subgingival plaque of htlv-1 seropositive pa-tients. materials and methods: a total of 18 patients including 13 females and fivemales, with a mean age of 37 years participated in this descriptive study. half of them were htlv-1 carriers and the others were in htlv-1 associated myel...

Journal: :jundishapur journal of microbiology 0
mahin jamshidi makiani antimicrobial resistance research center, iran university of medical sciences, tehran, ir iran parivash davoodian infectious disease research center, hormozgan university of medical sciences, bandar abbas, ir iran mahnaz baghershiroodi cellular & molecular research center, hormozgan university of medical sciences, bandar abbas, ir iran abdol azim nejatizadeh infectious disease research center, hormozgan university of medical sciences, bandar abbas, ir iran; cellular & molecular research center, hormozgan university of medical sciences, bandar abbas, ir iran farideh fakkhar bandar abbas health center, tb control center, hormozagan university of medical sciences, bandar abbas, ir iran mehrangiz zangeneh department of infectious disease, tehran medical branch, islamic azad university, tehran, ir iran; department of endocrinology and female infertility, reproductive biomedicine research center, royan institute for reproductive biomedicine, acecr, tehran, ir iran; department of infectious disease, tehran medical branch, islamic azad university, tehran, ir iran. tel: +98-2122618550, fax: +98-2155346301

background while tuberculosis (tb) can be diagnosed by microscopy and culture, the sensitivity of ziehl-neelsen staining is variable and culture results require 4 - 8 weeks to be determined. polymerase chain reaction (pcr) and its modifications, including nested pcr, might be promising methods for the rapid diagnosis of tb. objectives this study aimed to evaluate the performance of nested pcr o...

Journal: :jundishapur journal of microbiology 0
mojtaba moosavian health research institute, infectious and tropical diseases research center, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; department of microbiology, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, ir iran nazanin ahmadkhosravy department of microbiology, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; department of microbiology, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, ir iran. tel: +98-6133367543

conclusions the results of this study phenotypically and genotypically confirmed the high frequency of esbl-producing strains, such as the ctx-m and ctx-m-1 genes, among enterobacteriaceae isolates in our region. therefore, use of antibiotic susceptibility testing for the detection of esbl isolates prior to the prescription of beta-lactam antibiotics is recommended. this could help prevent the ...

Journal: :iranian journal of biotechnology 2014
mojegan kowsari mohammad reza zamani mostafa motallebi

backgoround: plant diseases, caused by a wide range of phytopathogenic fungi, could be managed using of trichoderma sp, as a biocontrol agent. cell wall degrading enzymes like chitinase from t. harzianum are important means for fungal pathogen inhibition. overexpression of these chitinase enzymes can improve the antagonistic potential of trichoderma sp. strains. objectives: this study aimed to ...

Journal: :research in molecular medicine 0
alison m. kesson infectious diseases and microbiology, the children’s hospital at westmead and discipline of paediatrics and child health, sydney medical school, university of sydney nsw australia

there are significant challenges associated with qualitative and quantitative nucleic acid tests performed in diagnostic laboratories. the development of internationally available certified reference materials which can be traced to reference measurements will contribute to a better understanding of the performance characteristics of nucleic acid tests and enhance reliability and comparability ...

Journal: :journal of medical bacteriology 0
solmaz ohadian-moghadam department of pathobiology, school of public health, tehran university of medical sciences, tehran, ir iran. seyedasghar havaei department of microbiology, school of medicine, isfahan university of medical sciences, isfahan, ir iran. mohammadreza pourmand department of pathobiology, school of public health, tehran university of medical sciences, tehran, ir iran.

background:   methicillin-resistant   staphylococcus   aureus  (mrsa)   is  a major cause of nosocomial and community infections that are becoming increasingly difficult to combat, because of emerging resistance to all classes of antibiotics. moreover panton-valentine  leukocidin (pvl) is an important virulence factor in s. aureus and causes white blood cell destruction, necrosis and  accelerat...

Journal: :archives of pediatric infectious diseases 0
hushang gorjipour 1 pediatric infections research center, mofid children hospital, shahid beheshti university of medical sciences, tehranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) abdollah karimi 1 pediatric infections research center, mofid children hospital, shahid beheshti university of medical sciences, tehranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) alireza fahimzad 1 pediatric infections research center, mofid children hospital, shahid beheshti university of medical sciences, tehranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) farideh shiva 1 pediatric infections research center, mofid children hospital, shahid beheshti university of medical sciences, tehranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) fatemeh fallah 1 pediatric infections research center, mofid children hospital, shahid beheshti university of medical sciences, tehranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) ahmad reza shamshiri department of epidemiology and biostatistics, school of public health, tehran university of medical sciences, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences)

background upper respiratory tract infections (urti) in children are the most frequent reasons for visiting a family doctor, commonly resulting in inappropriate prescription of antibiotics. in underdeveloped countries, a viral respiratory tract infection may be followed by serious complications. more than 200 viral species are associated with respiratory tract diseases in humans and this number...

Journal: :archives of pediatric infectious diseases 0
sara rahmati roodsari infectious diseases and tropical medicine research center, shahid beheshti university of medical sciences, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) fatemeh bitajian semiology departement, shahid beheshti university of medical sciences, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) latif gachkar infectious diseases and tropical medicine research center, shahid beheshti university of medical sciences, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) farzaneh jadali pediatric infections research center, shahid beheshti university of medical sciences, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) saadat adabian pediatric infections research center, shahid beheshti university of medical sciences, ir iran +98-2122907004, [email protected]سازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) raheleh sadat sajadi nia medical university, shahid beheshti university of medical sciences, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences)

background noroviruses are one of the major viral pathogens responsible for gastroenteritis. outbreaks of diarrhea due to norovirus have been reported frequently. this study is performed to determine the prevalence of norovirus in fecal specimens of children with gastroenteritis. many viruses can cause gastroenteritis, including rotaviruses; adenoviruses types 40 and 41; sapoviruses; and norovi...

Journal: :molecular and biochemical diagnosis (journal) 2014
masood ghane negin naghdi

background: acne vulgaris is an inflammatory chronic disease of pilosebaceous unit. one of the most important factors playing a role in occurrence of acne is presence of propionibacterium acnes. with the aim of molecular identification of the p. acnes from the acne vulgaris lesions, current research was carried out. methods: in this study, contents within the lesions was collected from 70 patie...

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