HCV Core Genotype-3a

Hepatitis C Virus Core Genotype-3a Recombinant
Cat. No.
BT12135
Source
Escherichia Coli.
Synonyms
Appearance
Purity
HCV Core Genotype-3a 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.
Shipped with Ice Packs
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, single-stranded, positive-sense RNA virus belonging to the Flaviviridae family. It exhibits a high replication rate, producing approximately one trillion particles daily in infected individuals. The absence of proofreading mechanisms in the HCV RNA polymerase results in a remarkably high mutation rate, potentially contributing to its ability to evade the host's immune response. HCV is classified into six genotypes (1-6), each with multiple subtypes. The prevalence and distribution of these genotypes vary globally. Genotype determination holds clinical significance as it influences the potential response to interferon-based therapy and the required treatment duration. Notably, genotypes 1 and 4 demonstrate lower responsiveness to interferon-based treatment compared to genotypes 2, 3, 5, and 6.
Description
This recombinant protein, derived from E. coli, encompasses the immunodominant regions of the HCV core nucleocapsid, specifically amino acids 2-119. It is fused to a GST tag at its N-terminus.
Purity
The purity of the HCV Core Genotype-3a protein exceeds 95%, as determined by 10% PAGE (Coomassie staining).
Formulation
The protein is supplied in a solution containing 1.5M urea, 25mM Tris-HCl (pH 8.0), 0.2% Triton-X, and 50% glycerol, at a concentration of 1mg/ml.
Stability
For short-term storage (up to 1 week), HCV Core Genotype-3a remains stable at 4°C. However, for extended storage, it is recommended to store the protein below -18°C. Repeated freeze-thaw cycles should be avoided.
Applications
HCV Core Genotype-3a antigen is suitable for use in various immunological assays, including ELISA and Western blots. It serves as an excellent antigen for the detection of HCV, exhibiting minimal specificity issues.
Source
Escherichia Coli.
Purification Method
HCV Core Genotype-3a 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, infecting approximately 71 million people worldwide. It is a bloodborne virus primarily transmitted through exposure to infected blood. HCV is classified into seven genotypes, with genotype 3 being one of the most prevalent globally. Within genotype 3, subtype 3a is particularly notable for its unique characteristics and clinical implications.

Hepatitis C Virus Structure

HCV is an enveloped, positive-sense single-stranded RNA virus belonging to the Flaviviridae family. The viral genome encodes a single polyprotein, which is processed into structural and non-structural proteins. The core protein is one of the structural proteins and plays a crucial role in the formation of the viral nucleocapsid.

Genotype 3a

Genotype 3a is one of the most common HCV subtypes, especially prevalent in South Asia and among intravenous drug users in Western countries. It is associated with a higher rate of liver steatosis (fatty liver) and a faster progression to liver fibrosis and cirrhosis compared to other genotypes. Genotype 3a also responds differently to antiviral therapies, making its study essential for effective treatment strategies.

Recombinant HCV Core Protein

Recombinant HCV core proteins are artificially produced proteins that mimic the natural core protein of the virus. These recombinant proteins are used in various research and diagnostic applications. They are produced using genetic engineering techniques, where the gene encoding the core protein is inserted into a suitable expression system, such as bacteria or yeast, to produce the protein in large quantities.

Applications of Recombinant HCV Core Protein
  1. Diagnostic Tools: Recombinant HCV core proteins are used in enzyme immunoassays (EIAs) to detect antibodies against HCV in patient samples. These assays are crucial for the early diagnosis of HCV infection.
  2. Vaccine Development: Research is ongoing to develop vaccines against HCV. Recombinant core proteins are used to study the immune response and identify potential vaccine candidates.
  3. Therapeutic Research: Understanding the structure and function of the HCV core protein helps in the development of antiviral drugs. Recombinant proteins are used to screen for compounds that can inhibit the virus.

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