نتایج جستجو برای: antigen

تعداد نتایج: 200204  

ژورنال: :مجله دانشکده پزشکی اصفهان 0
محبوبه انصاری دانشجوی کارشناسی ارشد، گروه ایمنی شناسی، دانشکده ی پزشکی و کمیته ی تحقیقات دانشجویی، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران مزدک گنجعلی خانی حاکمی استادیار، گروه ایمنی شناسی، دانشکده ی پزشکی، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران رویا شرکت دانشیار، مرکز تحقیقات نقص ایمنی اکتسابی، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران عباس رضایی استاد، گروه ایمنی شناسی، دانشکده ی پزشکی، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران رضا یزدانی دانشجوی دکتری، گروه ایمنی شناسی، دانشکده ی پزشکی، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران شریفه خسروی دانشجوی دکتری، گروه ژنتیک، دانشکده ی پزشکی، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران

مقدمه: نقص ایمنی متغیر شایع (common variable immunodeficiency یا cvid)، فراوان ترین نارسایی ایمنی اولیه از نظر بروز علایم بالینی و مجموعه شرایط ناهمگنی است که با کمبود ارثی آنتی بادی (هایپوگاماگلوبولینمی) از حداقل دو ایزوتیپ ایمونوگلوبولین به همراه اختلال در بلوغ سلول های b و جهش سوماتیک، کاهش تعداد سلول های خاطره ی تعویض کلاس شده و نشده در گردش خون و اغلب با نبود پلاسماسل شناخته می شود. b-cell...

Journal: :iranian journal of allergy, asthma and immunology 0
negin hosseini rouzbahani department of immunology, faculty of medicine, tarbiat modares university of medical sciences, tehran, iran saeed bayanolhagh iranian research center for hiv/aids, iranian institute for reduction of high risk behaviors, tehran university of medical sciences, tehran, iran mohammad gholami iranian research center for hiv/aids, iranian institute for reduction of high risk behaviors, tehran university of medical sciences, tehran, iran ali esmaeilzadeh iranian research center for hiv/aids, iranian institute for reduction of high risk behaviors, tehran university of medical sciences, tehran, iran zahra bayat jozani iranian research center for hiv/aids, iranian institute for reduction of high risk behaviors, tehran university of medical sciences, tehran, iran minoo mohraz iranian research center for hiv/aids, iranian institute for reduction of high risk behaviors, tehran university of medical sciences, tehran, iran

vaccines against the hiv-1 virus offers the best hope for eliminating hiv-associated mortality. recombinant adenovector type 5 (rad5) vaccine is a potential candidate for preventive vaccine strategies. in this study, we evaluated the rad5 prime/protein boost strategy in a murine model. we used rad5 harboring single hiv-1 genes. these genes, including gag (p24) and exon1 of tat, were amplified f...

Journal: :iranian journal of microbiology 0
mohammad khalifehgholi department of pathobiology, school of public health and institute of public health research, tehran university of medical sciences, tehran, iran. fereshteh shamsipour idepartment of immunochemistry, monoclonal antibody research center, avicenna research institute, academic center for education, culture and research (acecr), terhran, iran. hossein ajhdarkosh gastroenterology and liver diseases research center (gildrc), firoozgar hospital, iran university of medical sciences, tehran, iran. naser ebrahimi daryani department of gastroenterology, imam khomeini hospital, tehran university of medical sciences, tehran, iran. mohammad-reza pourmand department of pathobiology, school of public health and institute of public health research, tehran university of medical sciences, tehran, iran. mostafa hosseini department of epidemiology and biostatistics, school of public health and institute of public health research, tehran university of medical sciences, tehran, iran.

background and objectives: invasive and non-invasive techniques are used to diagnose h. pylori infection. some factors influence the choice of a diagnostic test, such as the sensitivity and specificity of the tests, the clinical circumstances and the cost-effectiveness of the testing strategy. the aim of this study was to reveal the relationship between different h. pylori infection diagnosis m...

Journal: :iranian journal of parasitology 0
a baticados dept. of veterinary paraclinical sciences, college of veterinary medicine, university of the philippines los baños, laguna 4031, philippines. w baticados dept. of veterinary paraclinical sciences, college of veterinary medicine, university of the philippines los baños, laguna 4031, philippines g coz dept. of veterinary paraclinical sciences, college of veterinary medicine, university of the philippines los baños, laguna 4031, philippines smeas carlos makati dog and cat hospital (mdch), 5426 general luna st. cor. algier st. poblacion, makati city, metro manila 1210, philippines e carlos makati dog and cat hospital (mdch), 5426 general luna st. cor. algier st. poblacion, makati city, metro manila 1210, philippines

background: the sole published data on feline heartworm infection in the philippines was reported four decades ago. the study therefore endeavoured to assess and provide an update on the current status of heartworm infection in domesticated feline species using serologic and parasitological ex-amination methods. methods: a total of 46 males and 54 females cats showing clinical signs of dirofila...

Journal: :avicenna journal of medical biotechnology 0

background: nowadays, highly specific aptamers generated by cell selex technology (systematic evolution of ligands by exponential enrichment) are being applied for early detection of cancer cells. prostate specific membrane antigen (psma), over expressed in prostate cancer, is a highly specific marker and therefore can be used for diagnosis of the prostate cancer cells. the aim of the present s...

Journal: :iranian journal of parasitology 0
h rezvan department of laboratory science, school of paraveterinary sciences, bu-ali sina university, hamedan, iran r rees school of science and technology, nottingham trent university, clifton, nottingham, uk, ng11 8ns sa ali school of science and technology, nottingham trent university, clifton, nottingham, uk, ng11 8ns

background: leishmaniasis is a worldwide disease prevalent in tropical and sub tropical coun­tries. many attempts have been made and different strategies have been approached to develop a potent vaccine against leishmania . dna immunisation is a method, which is shown to be effec­tive in leishmania vaccination. leishmania soluble antigen (sla) has also recently been used leishmania vaccination....

Journal: :hepatitis monthly 0
masood ziaee hepatitis research center, birjand university of medical sciences, birjand, ir iran azadeh ebrahimzadeh hepatitis research center, birjand university of medical sciences, birjand, ir iran zohreh azarkar hepatitis research center, birjand university of medical sciences, birjand, ir iran mohammad hasan namaei hepatitis research center, birjand university of medical sciences, birjand, ir iran amin saburi birjand atherosclerosis and coronary artery research center, birjand university of medical sciences, birjand, ir iran; chemical injuries research center, baqiyatallah university of medical sciences, tehran, ir iran mohammad fereidouni asthma, allergy and immunology research center, birjand university of medical sciences, birjand, ir iran

conclusions although the frequency of hbsag seropositivity in the present study was close to that observed in the overall iranian population, the seroprevalence of anti-hbc was higher, possibly due to the exposure of the elderly to more risk factors. the risk factors were similar. these included a history of blood transfusions, cupping, hospital admission, endoscopy, or familial hbv/hcv infecti...

Journal: :iranian journal of pathology 2011
shahram saberi zahra safai naraghi ali granser vahid falah azad

background and objectives:  the molecular genetic of the human herpes virus 8 (hhv8) has now been characterized the pathogenesis of kaposi sarcoma (ks). this study attempted to determine the rate of hhu-8 infection in ks in an iraniann cross sectional study. method & material: in this cross-sectional study, we used paraffin-embedded specimens of 54 clinically well-characterized kaposi sarco...

Journal: :iranian journal of pathology 2012
ban qasim husam ali alaa hussein

background & objective: the current approaches to reduce the risk of colorectal carcinoma are through the detection and removal of the precursor lesion” adenomatous polyps”. the study was conducted to evaluate the immunohistochemical expression of p53 and bcl2 in colorectal adenomas and carcinomas. patients and methods: a total of 86 cases, 33 colorectal adenomas, 33 colorectal adenocarcin...

Journal: :thrita 0
shirin farivar faculty of biological sciences, shahid beheshti university, general campus, tehran, ir iran; laser and plasma research institute, shahid beheshti university, general campus, tehran, ir iran; faculty of biological sciences, shahid beheshti university, general campus, tehran, ir iran. tel: +98-2129902733, fax: +98-2122431664 masoud dehghan tezerjani faculty of biological sciences, shahid beheshti university, general campus, tehran, ir iran neda parvini faculty of biological sciences, shahid beheshti university, general campus, tehran, ir iran reza shiari department of pediatrics, mofid children’s hospital, shahid beheshti university of medical sciences, tehran, ir iran; pediatrics infectious research center, shahid beheshti university of medical sciences, tehran, ir iran

results our study showed that there were no statistically significant differences in the allele and genotype frequencies of -1661 a/g snp between patients with sle and healthy controls (p > 0.05). conclusions in conclusion, we found no association between snp-1661 a/g of the ctla-4 promoter region and susceptibility to sle in our population. objectives to evaluate the potential influences of co...

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