نتایج جستجو برای: hcv rt

تعداد نتایج: 82030  

2015
Mohamed MS Farag Ahmed R Sofy Adel A Mousa Mohamed A Ahmed Mohamed R Alganzory

Hepatitis C virus (HCV) infection is a major health problem recognized globally. HCV is a common cause of liver fibrosis that may lead to liver cirrhosis or hepatocellular carcinoma. The aim of this study was to estimate the prevalence of HCV infection and genotyping among Egyptian and Saudi Arabian chronic patients using different molecular techniques. HCV RNA viral load was assessed by real-t...

Journal: :Journal of clinical pathology 1996
C Sergi T Goeser G Otto H F Otto W J Hofmann

AIMS To develop a polymerase chain reaction (PCR) based technique that would permit the rapid and highly specific detection of hepatitis C virus (HCV) RNA extracted from frozen liver tissue. METHODS Samples of liver tissue from 18 patients undergoing orthotopic liver transplantation were studied. Nine patients were HCV positive. Total RNA was extracted from between one and 10 sections, 10 mic...

Journal: :Revista do Instituto de Medicina Tropical de Sao Paulo 2000
N S Gonçales F F Costa J Vassallo F L Gonçales

Screening blood donations for anti-HCV antibodies and alanine aminotransferase (ALT) serum levels generally prevents the transmission of hepatitis C virus (HCV) by transfusion. The aim of the present study was to evaluate the efficiency of the enzyme immunoassay (EIA) screening policy in identifying potentially infectious blood donors capable to transmit hepatitis C through blood transfusion. W...

Journal: :The new microbiologica 2008
Paola Menegazzi Elisa Reho Massimo Ulivi Oliviero E Varnier Flavia B Lillo Luigi Tagliaferro

Follow-up of chronically infected HCV patients is the primary clinical goal in therapy administration. In the absence of an HCV vaccine, the timely monitoring of HCV viral load combined with the information of the viral genotype could contribute to patient disease management. A LightCycler Real Time RT-PCR assay was developed and optimized allowing rapid and accurate quantification of HCV RNA o...

بهزاد خوانساری نژاد, , سمیرا محمدی یگانه, , مهدی پریان, , مهدیه موندنی‌زاده, ,

زمینه و هدف : از جمله مهم‌ترین عوامل عفونی منتقل شونده از طریق خون، ویروس‌هایHIV-1 و HCV می‌باشند. به‌خصوص در حالت عفونت همزمان که از مشکلات بالینی قابل توجه در بیماران مصرف کننده فراورده‌های خونی است. این مطالعه به منظور توسعه روش Multiplex RT-PCR در تشخیص عفونت همزمان ویروس‌های HIV-1 و HCV در نمونه‌های پلاسما انجام شد. روش بررسی : در این مطالعه توصیفی به تشخیص همزمان ژنوم دو ویروس HIV-1 و ...

Background: Hepatitis C virus (HCV) infection is one of the most prevalent infectious diseases responsible for high morbidity and mortality worldwide. Therefore, designing new and effective therapeutics is of great importance. The aim of the current study was to construct a DNA vaccine containing structural proteins of HCV and evaluation of its expression in a eukaryot...

Journal: :Journal of clinical microbiology 2000
W T Hofgärtner J A Kant K E Weck

A long-term assessment of quantitative hepatitis C virus (HCV) testing was performed at the University of Pittsburgh Medical Center. The Quantiplex HCV RNA 2.0 branched-chain DNA (bDNA) assay (Bayer Diagnostics) for hepatitis C viral load determination was used to test 3,471 specimens. bDNA-negative samples were also tested by an in-house qualitative reverse transcriptase (RT)-PCR assay with a ...

Journal: :Journal of clinical microbiology 1993
B Wirz J D Tratschin H K Müller D B Mitchell

Reverse transcription coupled with the polymerase chain reaction (RT-PCR) was used for the detection and differentiation of pestiviruses. For this purpose, one primer pair was selected from a highly conserved region of the genome of pestiviruses. Using these primers (PEST 1-PEST 2), DNA fragments of between 72 and 74 bp could be amplified from all pestivirus isolates tested. In order to differe...

Journal: :Journal of clinical microbiology 1999
J T Stapleton D Klinzman W N Schmidt M A Pfaller P Wu D R LaBrecque J q Han M J Phillips R Woolson B Alden

We previously demonstrated that whole blood contains significantly more hepatitis C virus (HCV) RNA than plasma. To validate the whole-blood-based HCV RNA detection method, a prospective comparison of HCV RNA detection in whole blood and plasma from 50 patients with chronic liver disease was undertaken. Whole-blood and plasma aliquots were independently tested for HCV RNA by reverse transcripta...

Journal: :molecular and biochemical diagnosis (journal) 2014
seyed hossein mousavi fard shahin merat kiana shahzamani reza ghanbari neda yahoo

background:accumulative research is in progress to clarify clinical aspects of gbv-c. the possibility of interaction between hcv and gbv-c as well as its consequence on development of liver diseases is the most important clinical aspect which encourages researchers to develop a rapid and cost effective technique for simultaneous detection of both viruses.methods: in this study, a sybr green rea...

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