نتایج جستجو برای: NS3

تعداد نتایج: 2731  

Journal: :jundishapur journal of microbiology 0
mohammad-hassan pouriayevali department of virology, faculty of medical sciences, tarbiat modares university, tehran, ir iran taravat bamdad department of virology, faculty of medical sciences, tarbiat modares university, tehran, ir iran; department of virology, faculty of medical sciences, tarbiat modares university, tehran, ir iran. tel: +98-2182884525 mohammad-reza aghasadeghi department of hepatitis and aids, pasteur institute of iran. tehran, ir iran seyed mehdi sadat department of hepatitis and aids, pasteur institute of iran. tehran, ir iran farzaneh sabahi department of virology, faculty of medical sciences, tarbiat modares university, tehran, ir iran

conclusions the pc-ns3 possesses the capacity to express ns3 in the mammalian cell line and demonstrated strong immunogenicity in a murine model. our primary results demonstrated that the immunogenic truncated region of ns3 could be used as a potential vaccine candidate against hepatitis c. results the pcdna3.1 plasmid harboring the coding sequence of ns3 (pc-ns3) was constructed and confirmed ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده دامپزشکی 1391

بیماری اسهال ویروسی گاو (bvd)، یکی از بیماری‎های مهم گاو است که با اسهال، سقط جنین، مرده‎زایی، بازگشت به فحلی و کاهش تولید شیر، خسارت‎های اقتصادی هنگفتی را سبب می‎شود. این بیماری توسط ویروس اسهال ویروسی گاو (bvdv) از خانواده فلاوی‎ویریده و از جنس پستی‎ویروس‎ ایجاد می‎شود. برنامه‎های مراقبتی مناسب مانند جستجوی سرولوژیکی آنتی‎بادی‎های تولید شده بر ضد ویروس bvd، اهمیت زیادی در پیشگیری و کنترل این ...

ژورنال: Vaccine Research 2017
El-Demella , MA, El-Rashidy , FH, Ghareeb, DA, Habashy , NH, Shaban , NZ,

Introduction: Dendritic cells (DCs) have been recently employed as carriers for vaccines against several viral infections. The present study was designed to develop a prophylactic vaccine against hepatitis C virus (HCV) using DCs treated with Berberis vulgaris root extract (BRE), as a preclinical study. Methods: BRE was prepared and injected to female BALB/c mice for DCs expansion. The expanded...

ژورنال: Vaccine Research 2016

Introduction: Hepatitis C virus (HCV) is one of the major medical problems. Human and chimpanzees are the only specific hosts which are naturally susceptible to HCV infection. Mice and other common laboratory animals are resistant to the virus, hence HCV prophylactic and therapeutic researches are very difficult and challenging. HCV non-structural protein 3 (NS3) is one of the most attractive t...

ژورنال: :hepatitis monthly 0
zahra khanlari department of medical virology, faculty of medical sciences, tarbiat modares university, tehran, ir iran farzaneh sabahi department of medical virology, faculty of medical sciences, tarbiat modares university, tehran, ir iran; corresponding author: farzaneh sabahi, department of medical virology, faculty of medical sciences, tarbiat modares university, tehran, ir iran. tel: +98-2182883880, fax: +98-2182884555, e-mail: seyed younes hosseini gastroenterohepatology research center, shiraz university of medical sciences, shiraz, ir iran mostafa ghaderi department of medical virology, faculty of medical sciences, tarbiat modares university, tehran, ir iran

background hepatitis c virus (hcv) is able to down-regulate innate immune response. it is important to know the immune pathways that this virus interacts with. hcv non-structural protein 3 (ns3) plays an important role in this viral feature. hcv ns3 protein could affect the expression of antiviral protein such as viperin, and interleukin 28whichare important proteins in antiviral response. conc...

Journal: :hepatitis monthly 0
maryam dadmanesh department of infectious diseases, school of medicine, aja university of medical sciences, tehran, ir iran mohammad mehdi ranjbar department of immunology, school of medicine, aja university of medical sciences, tehran, ir iran seyed moayed alavian baqiyatallah research center for gastroenterology and liver diseases, baqiyatallah university of medical sciences, tehran, ir iran; middle east liver diseases research center (meld), tehran, ir iran; iran hepatitis network, tehran, ir iran khodayar ghorban department of immunology, school of medicine, aja university of medical sciences, tehran, ir iran; corresponding author: khodayar ghorban, department of immunology, school of medicine, aja university of medical sciences, tehran, ir iran. tel: +98-9127138775, e-mail:

conclusions overall, results of present study were consistent with the data reported earlier base on 5’ ntr in iranian isolates and revealed genotype ir2 is major genotype in iranian hgv-positive patient. it means there are higher similarities between iranian and europe-usa in hgv ns3 gene. results nucleotide blast results emphasized that most similar sequences to ir ns3 sequences were those fr...

Background and Aims: Hepatitis C virus (HCV) infection is an important risk factor for the development of liver cancer. The HCV NS3 protein plays a key role in the virus life cycle and can affect normal cellular activities, such as cell proliferation, cell death, and cell signaling pathways. Moreover, it may influence malignancy development. Two cellular genes, heat shock protein 70 (HSP70) and...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم پزشکی 1393

هدف: تقریبا حدود 3 درصد از جمعیت جهان دارای عفونت هپاتیت c هستند و تخمین زده می شود که فقط یک نفر از پنج نفری که به تازگی عفونی شده اند یک پاسخ ایمنی کافی را برای پاکسازی عفونت داشته باشد. شکست پاسخ ایمنی میزبان حداقل بطور نسبی به علت توانایی ویروس در مخالفت با تولید و انتقال سیگنال از طریق اینترفرون های تیپ یک است. اغلب مطالعات نشان داده اند که ns3/4a پروتئاز ویروس هپاتیت c پاسخ اینترفرون را ح...

Journal: :Journal of virology 2005
Chen Zhang Zhaohui Cai Young-Chan Kim Ranjith Kumar Fenghua Yuan Pei-Yong Shi Cheng Kao Guangxiang Luo

Hepatitis C virus (HCV) nonstructural protein 3 (NS3) possesses multiple enzyme activities. The N-terminal one-third of NS3 primarily functions as a serine protease, while the remaining two-thirds of NS3 serve as a helicase and nucleoside triphosphatase. Whether the multiple enzyme activities of NS3 are functionally interdependent and/or modulated by other viral NS proteins remains unclear. We ...

Journal: :The Journal of general virology 2006
Lin Deng Motoko Nagano-Fujii Motofumi Tanaka Yuki Nomura-Takigawa Masanori Ikeda Nobuyuki Kato Kiyonao Sada Hak Hotta

The N-terminal 198 residues of NS3 (NS3-N) of Hepatitis C virus (HCV) subtype 1b obtained from 29 patients, as well as full-length NS3 (NS3-Full), were analysed for their subcellular localization, interaction with the tumour suppressor p53 and serine protease activity in the presence and absence of the viral cofactor NS4A. Based on the subcellular-localization patterns in the absence of NS4A, N...

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