نتایج جستجو برای: hcv rt
تعداد نتایج: 82030 فیلتر نتایج به سال:
زمینه و هدف : از جمله مهم ترین عوامل عفونی منتقل شونده از طریق خون، ویروس هایhiv-1 و hcv می باشند. به خصوص در حالت عفونت همزمان که از مشکلات بالینی قابل توجه در بیماران مصرف کننده فراورده های خونی است. این مطالعه به منظور توسعه روش multiplex rt-pcr در تشخیص عفونت همزمان ویروس های hiv-1 و hcv در نمونه های پلاسما انجام شد. روش بررسی : در این مطالعه توصیفی به تشخیص همزمان ژنوم دو ویروس hiv-1 و hcv...
conclusions in conclusion, the prevalence of hcv genotype 1 was 51.7%, which was lower than the rates reported in other studies in turkey, while the prevalence of hcv genotype 3 was 46%, which was remarkably higher than the reported turkish data. in addition, the prevalence rate for genotype 3 reported in the present study is the highest that has ever been reported in the literature. results th...
BACKGROUND The hepatitis C virus (HCV) has six major genotypes and more than 100 subtypes, and the determination of the responsible genotype, collection of epidemiological data, tailoring antiviral therapy, and prediction of prognosis have an important place in disease management. OBJECTIVES The aim of the present study was to determine the distribution of HCV genotypes across geographic regi...
Peripheral blood mononuclear cells (PBMCs) from 27 hepatitis C virus (HCV)-infected patients were analysed for the presence of HCV negative strand RNA with strand-specific Tth-based RT-PCR. No negative strand RNA was detected in any sample, and positive strand HCV sequences amplified from PBMCs were identical to those found in serum. These findings suggest that HCV does not replicate in PBMCs, ...
Hepatitis C virus (HCV) has infected 3% of the population worldwide and 20% of the population in Egypt. HCV infection can lead to hepatocellular carcinoma and death. The presently available treatment with interferon plus ribavirin, has limited benefits due to adverse side effects. Seaweeds have become a major source of new compounds to treat viral diseases. This work aimed to study the effect o...
Peripheral blood leukocytes serve as a possible extrahepatic site for hepatitis C virus replication.
To study possible extrahepatic sites for the replication of hepatitis C virus (HCV), we examined fresh and cultured peripheral blood mononuclear leukocytes (PBML), as well as different subpopulations of PBML of HCV-infected patients, for the presence of viral genomic and antigenomic RNA. Sense and antisense oligonucleotide primers derived from HCV sequences were used for reverse transcription (...
سابقه و هدف: نظر به شیوع و روند رو به افزایش هپاتیت c و عوارض شناخته شده و گزارشهای مختلف از نتایج تست های تکمیلی riba و rt-pcr و به منظور مقایسه نتایج تست های riba و rt-pcr در بیماران با تشخیص hcv (به روش elisa )، این تحقیق روی مراجعین به سازمان انتقال خون ایران در تهران انجام گرفت. مواد و روشها: تحقیق با طراحی توصیفی انجام شد. روی نمونه های 80 بیمار با نتیجه مثبت در 3- elisa با روشهای 3- riba...
Hepatitis C virus (HCV) is a major global health problem and one of the most common causes of chronic liver diseases. The current study was carried out to investigate the ability of High Resolution Melting (HRM) method in HCV genotyping. 40 HCV-Positive sera with unknown and 12 sera with known HCV genotypes were collected from different clinical laboratories in Tehran as well as Rasht in north ...
OBJECTIVE To estimate the prevalence of hepatitis C virus (HCV) infection and risks factors associated with coinfection in HIV-positive individuals. METHODS A cross-sectional descriptive study was conducted with 343 HIV patients attended at a university hospital in Recife, Northeastern Brazil, from March to December 2003. A standardized questionnaire about risk factors was administered. Serum...
A competitive internal control (IC) adapted to RT-PCR in-house assay was developed for HCV RNA detection in human pooled plasma. Also, it was applied in a multiplex RT-PCR for the HIV-1 and HCV RNA screening in human pooled plasma and plasma-derived products. A 258-bp PCR product from the 5 ́noncoding region of HCV genome was obtained. A competitive IC template was constructed by inserting a 52-...
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