نتایج جستجو برای: time polymerase chain reaction

تعداد نتایج: 2449967  

Journal: :medical journal of islamic republic of iran 0
maryam payan biopharmaceutics and pharmacokinetics division, department of pharmaceutics, faculty of pharmacy, tehran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) nader tajik immunology research center (irc), iran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)سازمان های دیگر: immunology research center (irc), mohammad reza rouini biopharmaceutics and pharmacokinetics division, department of pharmaceutics, faculty of pharmacy, tehran university of med-ical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه تهران (tehran university) mohammad hossein ghahremani department of pharmacology and toxicology, faculty of pharmacy, tehran university of medical sciences, tehran, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences)

background: cytochrome p450 2c19 (cyp2c19) is important in metabolism of wide range of drugs. cyp2c19*17 is a novel variant allele which increases gene transcription and therefore results in ultra-rapid metabolizer phenotype (urm). distribution of this variant allele has not been well studied worldwide. the aim of present study was to investigate allele and genotype frequencies of cyp2c19*17 in...

Journal: :jundishapur journal of microbiology 0
parisa mohammadi department of microbiology, faculty of biological sciences, alzahra university, tehran, ir iran; department of microbiology, faculty of biological sciences, alzahra university, tehran, ir iran. tel: +98-2185692714, fax: +98-2188058912 aida hamidkhani department of biotechnology, faculty of biological sciences, alzahra university, tehran, ir iran ezat asgarani department of biotechnology, faculty of biological sciences, alzahra university, tehran, ir iran

results the results showed that nl1-gc/ls2 primer set could yield species-specific amplicons, which were well distinguished and allowed better species discrimination than that generated by the its3-gc/its4 primer set, in both dgge and ttge profiles. all five candida species were discriminated by dgge and ttge using the nl1-gc/ls2 primer set. conclusions comparison of dgge and ttge profiles obta...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم پایه 1394

سرطان مری با حدود 386000 مرگ و میر در سال ، ششمین عامل مرگ ناشی از سرطان در جهان است. vegf ، یکی از مهمترین تنظیم کننده های اختصاصی رگ زایی است.ژن vegf در انواع مختلف سرطان مری جهش یافته است. این ژن در مقابل ایجاد جهش در dna وکمبود اکسیژن در تومور فعال شده و تومور به واسطه بیان زیاد این ژن ، رگزایی را آغاز کرده و کمبود اکسیژن خود را از دریافت اکسیژن از خون دریافت کرده و در نهایت متاستاز تومور ر...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه زابل - دانشکده علوم 1393

سرطان مری با 386000 مرگ و میر در سال ششمین عامل مرگ ناشی از سرطان در جهان است، این سرطان مانند سایر سرطان ها حاصل مجموعه عامل های محیطی و تغییرات ژنتیکی است .شیوع سرطان مری در ایران بسیار بالاست. از این لحاظ بالاتر از سایر کشورها قرار داریم. میزان بروز جهش در ژن p53 در هر دو نوع سرطان مری (کارسینوم سلول سنگفرشی مری escc و آدنوکارسینوم مری eac ) بالا گزارش شده است. p53 یکی از شناخته شده ترین ژن ...

Journal: :iranian journal of public health 0
t mohamadpoor ms nabavinia a gholoobi ms alavi z meshkat

background: human enteroviruses (evs) may have a role as a possible risk factor in the pathogenesis of mi. the aim of this study was to evaluate the presence of enterovirus genomic rna in peripheral blood samples of patients with acute myocardial infarction (mi). methods: we investigated the presence of enterovirus genomic rna in the peripheral blood of 115 patients with acute mi hospitalized i...

Journal: :iranian biomedical journal 0
حسین نجف زاده hossein najafzadeh لیلا صفائیان leila safaeian حمید میر محمد صادقی hamid mirmohammad sadeghi محمد ربانی mohammad rabbani عباس جعفریان abbas jafarian

background: vasopressin type 2 receptor (v2r) plays an important role in the water reabsorption in the kidney collecting ducts. v2r is a g protein coupled receptor (gpcr) and the triplet of amino acids aspartate-arginine-histidine (drh) in this receptor might significantly influence its activity similar to other gpcr. however, the role of this motif has not been fully confirmed. therefore, the ...

Journal: :jundishapur journal of microbiology 0
mohhamad javad yazdanpanah department of dermatology, research center for skin diseases and cutaneous leishmaniasis, ghaem hospital, mashhad university of medical sciences, mashhad, ir iran norieh sharifi department of pathology, mashhad university of medical sciences, mashhad, ir iran alireza khooei department of pathology, mashhad university of medical sciences, mashhad, ir iran mahnaz banihashemi department of dermatology, research center for skin diseases and cutaneous leishmaniasis, ghaem hospital, mashhad university of medical sciences, mashhad, ir iran mohammad khaje-daluee department of social medicine, mashhad university of medical sciences, mashhad, ir iran azadeh shamsi psychiatry and behavioral sciences research center, ibn-e-sina hospital, mashhad university of medical sciences, mashhad, ir iran

results no borrelia dna was detected by pcr in skin lesions of patients with morphea. patients and methods sixty six patients with morphea were prospectively included in the present study. for each patient, formalin-fixed, paraffin-embedded tissue blocks of skin lesion biopsies were examined for borrelia spp. dna using pcr. objectives we aimed to find the frequency of borrelia in morphea lesion...

Journal: :jundishapur journal of microbiology 0
zeinab basiri department of animal biology, faculty of natural sciences, university of tabriz, tabriz, iran reza safaralizadeh department of animal biology, faculty of natural sciences, university of tabriz, tabriz, iran; department of animal biology, faculty of natural sciences, university of tabriz, 29th bahman blvd., tabriz, iran. tel: +98-4133392694 morteza jabbarpour bonyadi department of animal biology, faculty of natural sciences, university of tabriz, tabriz, iran reza abdolmohammadi department of animal biology, faculty of natural sciences, university of tabriz, tabriz, iran mohammad hossein somi liver and gastrointestinal diseases research center, tabriz university of medical sciences, tabriz

conclusions this study suggests that the vaca pcr can be very useful in diagnosis, treatment, and follow-up of patients with gastritis and pud. the pcr assay and clo test can complement and confirm each other in identification and eradication of cancer-related strains of h. pylori. the exclusion of patients with suspected achlorhydria from the study is likely a reason for the lack of false posi...

Journal: :acta medica iranica 0
seyed masoud mousavi department of microbiology, school of medicine, hamadan university of medical sciences, hamadan, iran. seyed mostafa hosseini department of microbiology, school of medicine, hamadan university of medical sciences, hamadan, iran. rasoul yousefi mashouf department of microbiology, school of medicine, hamadan university of medical sciences, hamadan, iran. mohammad reza arabestani department of microbiology, school of medicine, hamadan university of medical sciences, hamadan, iran. and department of microbiology, brucellosis research center, hamadan university of medical sciences, hamadan, iran.

streptococcus agalactiae is acommensalorganism, but it may cause infection in susceptible hosts. the aim of this study was to evaluate pcr assay compared with conventional culture method for direct detection of streptococcus agalactiae . total of 203 paired low vaginal swabs were collected from women at 35-37 weeks of pregnancy from june 2013 through february 2014 for detection of streptococcus...

Journal: :medical journal of islamic republic of iran 0
atosa dorudinia tracheal diseases research center, national research institute of tuberculosis and lung diseases (nritld), masihdaneshvari hospital, shahidbeheshti university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences)سازمان های دیگر: tracheal diseases research center national research institute of tuberculosis and lung diseases (nritld), masoud shamaei clinical tuberculosis and epidemiology research center, national research institute of tuberculosis and lung diseases (nritld), masihdaneshvari hospital, shahidbeheshti university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences)سازمان های دیگر: clinical tuberculosis and epidemiology research center national research institute of tuberculosis and lung diseases (nritld) shirin karimi mycobacteriology research center, national research institute of tuberculosis and lung diseases (nritld), masihdaneshvari hospital, shahidbeheshti university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences)سازمان های دیگر: clinical tuberculosis and epidemiology research center national research institute of tuberculosis and lung diseases (nritld)

background :polymerase chain reaction (pcr) assay has widely used for the detection of tuberculosis (tb). this study tried to compare in-house pcr with some well-known commercial pcr kits for detection of tb agent. methods : clinical samples obtained from 620 tb suspected patients were analyzed for the diagnosis of mycobacterium tuberculosis complex (mtc) by in-house pcr. all samples were obtai...

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