نتایج جستجو برای: 2) protein

تعداد نتایج: 3453502  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده کشاورزی 1390

چکیده اسیدهای چرب غیراشباع با چندین پیوند دوگانه می توانند در روندهای تولید مثلی مختلف از طریق سازوکارهای متنوعی تاثیر بگذارند. در این مطالعه تاثیرات مکمل های اسیدهای چرب امگا 3 و امگا 6 بر ویژگی های تکامل فولیکولی و استروئیدزایی تخمدان و همچنین بیان فاکتور رشد bone morphogenetic protein 15 در اووسیت، که در فولیکول زایی تخمدانی نقش دارد، بررسی شد. 30 میش 4-2 ساله-ی غیرشیرده به 3 گروه 10 تایی ت...

Journal: :journal of biotechnology and health sciences 0
samiie pouragahi department of molecular medicine, school of medicine, qazvin university of medical sciences, qazvin, ir iran; department of bioinformatics, national institute of genetic engineering and biotechnology (nigeb), tehran, ir iran; department of pharmacology, cellular and molecular research center, school of medicine, qazvin university of medical sciences, qazvin, ir iran mohammad hossein sanati department of molecular genetics, national institute of genetic engineering and biotechnology (nigeb), tehran, ir iran mehdi sadeghi department of bioinformatics, national institute of genetic engineering and biotechnology (nigeb), tehran, ir iran marjan nassiri-asl department of pharmacology, cellular and molecular research center, school of medicine, qazvin university of medical sciences, qazvin, ir iran; school of medicine, qazvin university of medical sciences, qazvin, ir iran. tel: +98-2833336001, fax: +98-2833324971

conclusions the growth rate of information in bioinformatics databases could facilitate studies of live organisms prior to observation studies. two different protein classes could be causative agents of one disease. however, two related diseases from one disease group could consist of different protein classes. future research in the field of proteomics could allow modern insight to reshuffling...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده کشاورزی 1391

aflp یک ابزار قدرتمند برای تشخیص رونوشت هایی با فراوانی کم است و می تواند بعنوان یک روش کارآمد برای جداسازی ژنهایی که بطور متمایز بیان می شوند، بکار رود. بنابراین القا متمایز ژنها در گندم ( رقم چمران و مرودشت) در پاسخ به قارچ m.graminicola بوسیله آنالیز cdna-aflp مورد مطالعه قرار گرفت . در ابتدا گیاهان بوسیله بیمارگر مایه زنی شدند. نمونه برداری در 6 نقطه زمانی(0، 12، 24، 48، 72 و 96 ساعت) بعد ا...

Journal: :iranian journal of pathology 2008
noushin afshar moghaddam parvin mahsoni amir pooyan tabibi

objective: to review her-2/neu and tp53 status and their correlation with all other prognostic clinicopathologic features of infiltrative ductal breast carcinomas. materials and methods: this cross sectional study was performed on 139 patients with infiltrative ductal breast carcinoma who were diagnosed between may 2000 and march 2006 at the surgery and pathology departments of alzahra hospital...

Journal: :iranian journal of pathology 2012
behrang kazeminegad abbas mirafsharieh freidoon solhjoo

background and objective: egfr and her-2 are two members of erbb/her family of type i transmembrane growth factor receptors. cox2 is an enzyme responsible for the conversion of arachidonic acid to prostaglandins, which has a major role in angiogenesis and can modelate tumor growth. the aim of this study was to determine the level of expression of egfr, her-2 and cox2 in colorectd cancer. mater...

Journal: :iranian journal of child neurology 0
shirin farivar* 1. department of genetics, faculty of biological sciences, shahid beheshti university, tehran, iran 2. laser and plasma research institute, shahid beheshti university, tehran, iran zahra mohamadzade 1. department of genetics, faculty of biological sciences, shahid beheshti university, tehran, iran reza shiari 3. department of pediatrics, shahid beheshti university of medical sciences, tehran, iran 4. mofid children’s hospital, pediatrics infectious research center (pirc), shahid beheshti university of medical sciences, tehran, iran alireza fahimzad 4. mofid children’s hospital, pediatrics infectious research center (pirc), shahid beheshti university of medical sciences, tehran, iran

how to cite this article: : farivar s, mohamadzade z, shiari r, fahimzad ar. neural differentiation of human umbilical cord mesenchymal stem cells by cerebrospinal fluid. . iran j child neurol. 2015 winter; 9(1):87-93.     abstract objective wharton’s jelly (wj) is the gelatinous connective tissue from the umbilical cord. it is composed of mesenchymal stem cells, collagen fibers, and proteoglyc...

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

شوری خاک یکی از عوامل مهم محیطی است که منجر به کاهش عملکرد گیاهان زراعی می شود. شناخت مکانیسم های مقاومت گیاهان در برابر تنش ها می تواند به شناسایی ژن های مقاومت و کاربرد آن ها در اصلاح گیاهان و افزایش محدوده کشت گیاهان منجر شود. روش آنالیز expressed sequence tag (est) و داده های ریزآرایه راهی سریع و منطقی برای شناسایی ژن های نامزد جدید برای مقاومت به تنش ها می باشد. در این تحقیق تعداد 2 کتابخا...

Journal: :international journal of health studies 0
zahra sadri najaf abadi 1 1 dept. of medical biotechnology, school of advanced technologies in medicine, tehran university of medical sciences, tehran, iran. farnaz fatemi 1 masoud khosravani 2 2 dept. of medical nanotechnology, school of advanced technologies in medicine, tehran university of medical sciences, tehran, iran. majid rahmati 3 3 dept. of medical biotechnology, school of medicine, shahroud university of medical sciences, shahroud, iran. esmaeil sadroddiny 1*

background: bone morphogenetic protein 2 (bmp- 2) belongs to the tgf-β superfamily of proteins and plays an important role in the development of bone and cartilage. bmp- 2 is also associated with maintenance and repair of damaged bone. recombinant human bone morphogenetic protein 2 (rhbmp- 2) is now produced by genetic engineering techniques and used in treatment of thin bone fractures in the j...

Journal: :iranian red crescent medical journal 0
mohammad reza soleyman department of biotechnology, school of medicine, arak university of medical sciences, arak, ir iran mostafa khalili department of biotechnology, school of medicine, arak university of medical sciences, arak, ir iran behzad khansarinejad department of microbilogy and immunology, school of medicine, arak university of medical sciences, arak, ir iran maryam baazm department of anatomy, school of medicine, arak university of medical sciences, arak, ir iran; department of anatomy, school of medicine, arak university of medical sciences, arak, ir iran. tel: +98-9166621131, fax: +98-8634173526

conclusions a fusion tag from the pet32 expression plasmid permits the recovery of the recombinant fusion fgf-2 from e. coli, without affecting its biological activity. objectives the objective of this study was to overexpress and purify the high-level active human bfgf in escherichia coli (e. coli). materials and methods this experimental study was conducted in the islamic republic of iran. af...

Journal: :archives of clinical infectious diseases 0
mojgan bandehpour cellular and molecular biology research center, shahid beheshti university, m.c., tehran, ir iran narges abdali islamic azad university, research and science campus, tehran, ir iran farzaneh sadeghi department of biology, shahid beheshti university, m.c., tehran, ir iran kazem parivar islamic azad university, research and science campus, tehran, ir iran zarrin sharifnia cellular and molecular biology research center, shahid beheshti university, m.c., tehran, ir iran hossein ryahi department of biology, shahid beheshti university, m.c., tehran, ir iran

background brucellosis is an important cosmopolitan infection disease caused by organisms belonging to the genus brucella. the cgt gene (cyclic β-1, 2 glucan transporter gene) is a virulent factor in brucella genus. the present study was conducted with the aim of cloning and expression of brucella cgt gene. materials and methods brucella melitensis cgt gene was amplified from extracted chromoso...

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