نتایج جستجو برای: 28b
تعداد نتایج: 543 فیلتر نتایج به سال:
The human promyelocytic leukemia cell line HL60 differentiates to granulocytic cells when treated with retinoic acid (RA). In contrast, HL60/MRI, a cell line established from a transplantable HL60 tumor in nude mice, differentiates to monocytoid cells in response to RA (M. Imaizumi, J. Uozumi, and T. R. Breitman, Cancer Res., 47: 1434-1440, 1987). Because alterations of proto-oncogene expressio...
Experimental transmission of B.bigemina between cattle and ticks Boophilus decoloratus were carried out in the laboratory. Body bags were applied on the bodies of two calves infected with B. bigemina.These were the four month old splenectomized male Friesian calf number 10B and the two month old intact male Ayrshire calf number 28B. B. decoloratus larvae were then introduced into these body bag...
Hepatitis C virus (HCV) infection in hepatocytes stimulates innate antiviral responses including the production of type III interferons (IFN-λ), including IL-28A, IL-28B, and IL-29. However, the molecular mechanism(s) regulating the expression of IFN-λ genes in HCV-infected hepatocytes remains undefined. In this study, we examined regulatory elements involved in the induction of IFN-λ genes fol...
Background & Objective: Hepatitis C Virus (HCV) is one of the important risk factors for liver cirrhosis and hepatocellular carcinoma. Some of the host genetic factors such as interleukin 28B (IL-28B) may influence the response to the antiviral therapy. IL28B is a member of the interferon (IFN) family which causes an antiviral response. Previous studies indicated that rs12979860 polymorphisms o...
سابقه و هدف: بر اساس مطالعات اخیر مشخص شده است که ارتباط معنیداری میان پلیمورفیسمهای ژنتیکی در نواحی تنظیمی ژن اینترلوکین 28B (IL-28B) و پاسخ به درمان در افراد دچار بیماریهای ویروسی مانند هپاتیت C وجود دارد. با وجود این، هنوز فاکتورهای ژنتیکی دخیل در پیشرفت عفونت به بیماری مزمن مشخص نشدهاند. در این مطالعه، ارتباط پلیمورفیسمهای IL28B با استعداد ابتلا به عفونت مزمن ویروس هپاتیت C مورد ارز...
The results from clinical trials testing new direct-acting antivirals (DAAs) for chronic hepatitis C were the major focus of interest at the 2012 annual meeting of the European Association for the Study of the Liver. Besides triple combinations, in which any one of the new DAAs is given along with peginterferon-α/ribavirin, clinical trials exploring interferon-free oral regimens combining sever...
Single nucleotide polymorphisms (SNPs) in the Interleukin (IL)-28B gene, namely rs12979860, could predict response to pegylated interferon-α-ribavirin (PR) therapy in hepatitis C virus genotype 1 (HCV-1)-infected patients. A similar role was investigated in a case-control study conducted on 93 Egyptian patients chronically infected with HCV-4 in comparison to 22 individuals with spontaneous HCV...
The alkaline protease gene, Apr, from Bacillus licheniformis 2709 was cloned into an expression vector pET 28b(+). The pET-28b(+) Apr was expressed in a high expression strain E. coli BL21. In order to develop and optimize mathematical model of protease activity, three variables were investigated, including peptone concentration (6 g/L to 10 g/L), incubation time (16 h to 32 h) and agitation fr...
BACKGROUND The role of single nucleotide polymorphisms (SNPs) of interleukin (IL)-28B in predicting therapeutic response of pegylated interferon (peg-IFN) plus ribavirin (PR) for genotype 1 infected chronic hepatitis C patients with advanced fibrosis (AF) is limited. The aim of this study is to assess its role in predicting sustained virologic responses (SVR) to treatment. METHODS Forty-two p...
INTRODUCTION Recent studies have demonstrated the role of the interleukin 28B (IL28B) polymorphisms in predicting treatment induced and spontaneous clearance from Hepatitis C virus (HCV) infection, suggesting the possibility of tailored therapy in HCV infected patients. Genome-wide association studies have shown that single nucleotide polymorphisms (SNPs) near IL 28B gene on chromosome 19 are s...
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