HCV Core Genotype-3b

Hepatitis C Virus Core Genotype-3b Recombinant
Cat. No.
BT12237
Source
Synonyms
Appearance
Purity
HCV Core Genotype-3b protein is >95% pure as determined by 10% PAGE (coomassie staining).
Usage
THE BioTek's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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In Stock

Description

The E.coli derived recombinant protein contains the HCV core nucleocapsid immunodominant regions, amino acids 2-119. The protein is fused to a GST Tag at N-terminus.

Product Specs

Introduction
Hepatitis C virus (HCV) is a small (50nm), enveloped virus with a single-stranded, positive-sense RNA genome. It belongs to the family Flaviviridae. HCV replicates at a high rate, producing approximately one trillion particles daily in an infected individual. The virus exhibits a high mutation rate due to the lack of proofreading by its RNA polymerase, which contributes to its ability to evade the host's immune response. HCV is classified into six genotypes (1-6), each with several subtypes. The prevalence and distribution of these genotypes vary globally. Genotype determination is crucial clinically as it influences the potential response to interferon-based therapy and the duration of treatment. Notably, genotypes 1 and 4 show a lower response rate to interferon-based treatments compared to genotypes 2, 3, 5, and 6.
Description
This recombinant protein is derived from E. coli and encompasses the immunodominant regions of the HCV core nucleocapsid, specifically amino acids 2-119. A GST tag is fused to the N-terminus of the protein.
Purity
The purity of the HCV Core Genotype-3b protein exceeds 95%, as determined by 10% SDS-PAGE analysis with Coomassie blue staining.
Formulation
The protein is supplied in a buffer consisting of 25mM Tris-HCl (pH 8), 0.2% Triton-X, 1.5M urea, and 50% glycerol.
Stability
For optimal stability, HCV Core Genotype-3b should be stored at temperatures below -18°C. While the protein remains stable at 4°C for up to one week, repeated freeze-thaw cycles should be avoided.
Applications
The HCV Core Genotype-3b antigen is suitable for use in various immunological assays, including ELISA and Western blots. It serves as an excellent antigen for HCV detection, exhibiting minimal specificity issues.
Purification Method
HCV Core Genotype-3b protein was purified by proprietary chromatographic technique.
Specificity
Immunoreactive with sera of HCV-infected individuals.

Product Science Overview

Introduction

Hepatitis C Virus (HCV) is a significant global health concern, affecting millions of people worldwide. It is a bloodborne virus that primarily infects the liver, leading to chronic liver diseases such as cirrhosis and hepatocellular carcinoma. HCV is classified into seven major genotypes, each with multiple subtypes. Among these, genotype 3 is particularly noteworthy due to its unique characteristics and clinical implications.

Hepatitis C Virus Structure

HCV is an enveloped, positive-sense single-stranded RNA virus. Its genome encodes a single polyprotein, which is processed into structural and nonstructural proteins. The structural proteins include the core protein and envelope glycoproteins E1 and E2. The core protein forms the viral nucleocapsid, playing a crucial role in viral assembly and replication.

Genotype 3b

Genotype 3 is one of the most prevalent HCV genotypes globally, with subtype 3b being a significant variant. Genotype 3b is particularly common in South Asia but has also been reported in other regions. It is associated with a higher risk of liver steatosis (fatty liver) and a more rapid progression to liver fibrosis compared to other genotypes.

Recombinant HCV Genotype 3b

Recombinant HCV strains arise from the genetic recombination of different HCV genotypes or subtypes. This process can occur when a single host is co-infected with multiple HCV strains, leading to the exchange of genetic material. Recombinant HCV strains can exhibit unique properties, including altered virulence, immune evasion, and drug resistance.

Core Protein of Genotype 3b

The core protein of HCV genotype 3b is a key structural component of the virus. It is involved in the formation of the viral nucleocapsid and plays a critical role in the virus’s life cycle. The core protein also interacts with host cell machinery, influencing various cellular processes and contributing to the pathogenesis of HCV infection.

Clinical Implications

HCV genotype 3b is associated with distinct clinical features and treatment challenges. Patients infected with genotype 3b often exhibit higher rates of liver steatosis and a more rapid progression to liver fibrosis. Additionally, genotype 3b has been linked to a lower response rate to certain antiviral therapies, making treatment more challenging.

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