Dengue Envelope-1 32kDa

Dengue Virus Subtype 1 Envelope 32kDa Recombinant
Cat. No.
BT2281
Source
E.coli.
Synonyms
Appearance
Purity
Protein is >95% pure as determined by 12% PAGE (coomassie staining).
Usage
THE BioTek's products are furnished for LABORATORY RESEARCH USE ONLY. They may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
Shipped with Ice Packs
In Stock

Description

Recombinant Dengue Virus Subtype 1 Envelope 32kDa containing domains I+II of the dengue envelope, produced in E.coli and fused with a 6xHis Tag.

Product Specs

Introduction
Dengue fever is caused by one of four closely related virus serotypes of the genus Flavivirus, family Flaviviridae. After the primary infection, it is possible to be infected with dengue fever again by a different serotype. Detecting antibodies specific to dengue viruses is crucial for clinical diagnosis. Lateral flow rapid test products have emerged as a widely recognized and suitable method for this purpose. However, manufacturers face challenges in obtaining dengue antigens that comprehensively cover both Dengue IgG and IgM recognition for all four serotype infections while also possessing the ability to bind to colloidal gold. Eight dengue antigens have been developed specifically for lateral flow products, each well-characterized in terms of their coverage for dengue IgG and IgM recognition. Researchers can select the most appropriate products based on their specific application needs.
Description
Recombinant Dengue Virus Subtype 1 Envelope protein, encompassing domains I and II of the dengue envelope. It has a molecular weight of 32kDa, is produced in E.coli, and is fused with a 6xHis Tag for purification.
Purity
The purity of this protein is greater than 95%, as assessed by 12% SDS-PAGE followed by Coomassie Blue staining.
Formulation
The protein is supplied in phosphate buffered saline (PBS) with a pH of 7.4.
Stability
For short-term storage, Dengue Envelope-1 32kDa is stable at 4°C for up to 1 week. For long-term storage, it is recommended to store the protein below -18°C. Avoid repeated freeze-thaw cycles to maintain protein integrity.
Applications
This product is suitable for use in immunoassays.
Source
E.coli.
Purification Method

Purified by proprietary chromatographic technique.

Product Science Overview

Introduction

The Dengue Virus (DENV) is a mosquito-borne virus that causes dengue fever, a disease that affects millions of people worldwide. There are four distinct serotypes of the dengue virus (DV1–4), each with similar genome sequences and envelope protein (E protein) antigenic properties . Among these, Dengue Virus Subtype 1 (DV1) is often predominant in infections.

The Envelope Protein

The envelope (E) glycoprotein of the dengue virus plays a crucial role in the virus’s life cycle. It mediates the attachment of the virion to the host cell receptor and facilitates the fusion of the virus envelope with the target cell membrane . The E protein is also a major target for neutralizing antibodies, making it a key focus for vaccine development and diagnostic assays.

Recombinant E Protein

The recombinant DV1 E protein, specifically the 32kDa variant, is produced using various expression systems, including bacterial, yeast, and mammalian cells. This recombinant protein is used in research and diagnostic applications to study the immune response to dengue virus and to develop vaccines and therapeutic antibodies .

Applications and Importance
  1. Diagnostic Assays: The recombinant E protein can be used in diagnostic assays to detect primary or secondary dengue infections. This is particularly important for early diagnosis and treatment, which can prevent severe complications such as dengue hemorrhagic fever .
  2. Vaccine Development: The E protein is a major component of several experimental dengue vaccines. By eliciting a strong immune response, these vaccines aim to provide protection against all four serotypes of the dengue virus .
  3. Therapeutic Antibodies: Monoclonal antibodies targeting the E protein have shown promise in neutralizing the virus and preventing infection. These antibodies can be used as a treatment option for dengue virus infections .

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