نتایج جستجو برای: 1 ia

تعداد نتایج: 2765927  

اسحاقی , حمید , برهانی, کتایون , جعفری, محسن , حیدری, مرتضی , خدابنده, محمود , غلامی, مهرداد , محمدی, محسن , پورنجف, اباذر , کفشگری , رامین ,

سابقه و هدف: هدف از مطالعه حاضر، بررسی مقاومت به سطح بالای جنتامایسین و ژن‌های کدکننده آنزیم­های تغییردهنده آمینوگلیکوزید در انتروکوکوس فکالیس و انتروکوکوس فیسیوم جداشده از عفونت زخم سوختگی بود. مواد و روش­ها: پس از شناسایی سویه‌های انتروکوکوس فکالیس و انتروکوکوس فیسیوم، آزمون حساسیت آنتی‌بیوتیکی انجام شد. به‌منظور شناسایی سویه‌های HLGR از دیسک‌های جنتامایسین استفاده شد. آزمون PCR به‌منظور شناس...

ژورنال: تحقیقات دامپزشکی 2006

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پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم پایه 1390

کیهانشناسی، شاخه ای از نجوم است که ساختار و تحول عالم را به صورت کلی مورد بررسی قرار می دهد. با ارائه ی نسبیت عام توسط آلبرت آینشتاین در سال 1916 میلادی، زمینه ی مساعد برای ارائه ی یک نظریه ی کیهانشناسی متقن و محکم بر پایه ی اصول فیزیکی فراهم گشت. با کشف انبساطِ عالم توسط ادوین هابل در سال 1929 و کشف پس زمینه یِ ریزموجِ کیهانی در سال 1965، کیهانشناسی وارد مرحله ی مشاهداتی نیز شد و نظریه و تجربه، پ...

Journal: :Blood 1980
J P Halper D M Knowles C Y Wang

The Ia (p23,3O) antigens are useful in determining the Bor T-cell origin of normal peripheral blood lymphocytes. However, exceptions to the preferential B-cell expression of Ia antigens exist, i.e., many plasma cells are Ia and T cells are rarely Ia . Therefore, we investigated Ia expression (assayed by direct immunofluorescence using heteroantisera) by cells isolated from 33 malignant lymphoma...

Journal: :The Journal of Experimental Medicine 1979
I F McKenzie G M Morgan M S Sandrin M M Michaelides R W Melvold H I Kohn

The B6.C-H-2bm12 mutant is described and evidence is presented for the mutational site occurring in the IA subregion. The mutant is of the gain and loss type as bm12 in equilibrium or formed from C57BL/6 grafts are rejected in 14-16 d. Mapping studies by the gene-complementation method using H-2 recombinant strains place the mutation in the K or IA regions of the H-2 complex and furthermore, th...

Journal: :The Journal of Experimental Medicine 1980
R M Steinman N Nogueira M D Witmer J D Tydings I S Mellman

Soluble products from antigen stimulated Trypanosoma cruzi-immune spleen cells enhanced the expression of Ia antigens on proteose-peptone-elicited mouse peritoneal macrophages (M phi). Acquisition of Ia paralleled M phi activation, previously shown to be mediated by this same source of lymphokine (LK). Expression of Ia and four other plasma membrane antigens was monitored by quantitative bindin...

Journal: :Diabetes 2004
Peter Achenbach Katharina Warncke Jürgen Reiter Heike E Naserke Alistair J K Williams Polly J Bingley Ezio Bonifacio Anette-G Ziegler

Family history of type 1 diabetes and autoantibodies to the islet antigens insulin (IAA), glutamate decarboxylase (GADA), and the protein tyrosine phosphatase-like protein IA-2 (IA-2A) are strong predictors of type 1 diabetes, but the rate of progression to diabetes in multiple islet autoantibody-positive relatives varies widely. We asked whether detailed characterization of islet autoantibodie...

Journal: :international journal of hematology-oncology and stem cell research 0
amir hossein emami hematology- oncology department, emam khomeini hospital, tehran university of medical sciences, tehran, iran ardeshir ghavamzadeh hematology- oncology department, shariati hospital, tehran university of medical sciences, tehran, iran mohammad vaezi hematology- oncology department, emam khomeini hospital, tehran university of medical sciences, tehran, iran ramazanali sharifian hematology- oncology department, emam khomeini hospital, tehran university of medical sciences, tehran, iran kamran alimoghaddam hematology- oncology department, shariati hospital, tehran university of medical sciences, tehran, iran ali pasha meisami

introduction: invasive aspergillosis is a major cause of morbidity and mortality in hematologic malignant patients which have received intensive cytotoxic therapy or undergone blood and marrow transplantation (bmt). early clinical and radiological diagnosis of ia is almost impossible and so mortality is very high. the main purpose of our study was to assay the diagnostic value of serum galactom...

Journal: :journal of paramedical sciences 0
nargol ahmadi-mahmoodabadi institute for cognitive science studies (icss), tehran, iran mohammad nasehi institute for cognitive science studies (icss), tehran, iran masoumeh emamghoreishi department of pharmacology, school of medicine and department of neuroscience, school of advanced medical sciences and technologies, shiraz university of medical sciences, shiraz, iran mohammad-reza zarrindast medical genomics research center, tehran medical sciences branch, islamic azad university, tehran, iran

growing evidence suggests that serotonin plays an important role in learning and memory and all its receptors might be implicated in this process. the present study aimed at investigating and comparing the possible involvement of 5-ht 3 and 5-ht 4 receptor (r) agonists/antagonists upon consolidation of inhibitory avoidance memory in the pre-limbic (pl) area. bilateral intra-pl microinjections o...

Background and purpose: The aminoglycoside modifying enzymes (AMEs) and class 1 integrons in clinical isolates of pseudomonas aeruginosa are the major factors leading to rapid spread of antibiotic resistance. The aim of the present study was to investigate the frequency of aac(6)-IIa, ant(2'')-Ia, and class 1 integrons in clinical isolates of pseudomonas aeruginosa. Materials and methods: For ...

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