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GFP Adeno-Associated Virus ( AAV-GPQGKNS )

GFP Adeno-Associated Virus ( AAV-GPQGKNS )

Cat.No. :  AAV00470Z

Titer: ≥1x10^12 GC/mL / ≥1x10^13 GC/mL Size: 30 ul/100 ul/500 ul/1 ml

Serotype:  AAV Serotype 2 Storage:  -80 ℃

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AAV Particle Information

Quality Control

Cat. No. AAV00470Z
Description This virus is a reporter AAV with capsid engineering / modification. GFP AAV-GPQGKNS particles contain engineered capsid derived from AAV serotype 2 (AAV2) which has insertion of peptides GPQGKNS at I588. The target cell type of this capsid engineered AAV is tumor cells.
Reporter GFP
Serotype AAV Serotype 2
Target Gene GFP
Application

1. Determination of optimal MOI (multiplicity of infection), administration methods etc.

2. Detection of the infection efficiency of the AAV serotype against a specific cell type or tissue.

3. Using reporter genes to visualize the distribution and expression of AAV vectors in live animals, helping assess the biodistribution and persistence of gene delivery.

Titer Varies lot by lot, typically ≥1x10^12 GC/mL
Size Varies lot by lot, for example, 30 μL, 50 μL, 100 μL etc.
Storage Store at -80℃. Avoid multiple freeze/thaw cycles.
Shipping Frozen on dry ice
Creative Biogene ensures high-quality AAV particles by optimizing and standardizing production protocols and performing stringent quality control (QC). The specific QC experiments performed vary between AAV particle lots.
Endotoxin Endotoxins, primarily derived from Gram-negative bacteria, can trigger adverse immune responses. Endotoxin contamination is a significant concern in the production of AAV, especially for applications in animal studies and gene therapy. Effective endotoxin quality control is essential in the development and manufacturing of AAV particles. Creative Biogene utilizes rigorous endotoxin detection methods to monitor the endotoxin level in our produced AAV particles to ensure regulatory compliance.
Purity AAV purity is critical for ensuring the safety and efficacy of AAV-based applications.AAV capsids are composed of three main protein components, known as viral proteins: VP1, VP2, and VP3. These proteins play a critical role in the structure and functionality of the AAV capsid. Monitoring the VP1, VP2, and VP3 content in AAV preparations is essential for quality control in AAV production. Our AAV particles are tested for showing three clear bands of VP1, VP2 VP3 by SDS-PAGE.
Sterility The AAV virus samples are inoculated into the cell culture medium for about 5 days to detect bacterial and fungal growth.
Transducibility Upon requirement, Creative Biogene can perform in vitro or in vivo transduction assays to evaluate the ability of AAV to deliver genetic material into target cells or tissues, and assess gene expression and functional activities.
Empty vs. Full Capsids Based-on our proprietary AAV production and purification technology, Creative Biogene can always offer AAV particles with high ratio of full capsids. If required, we can also assess the ratio for a specifc lot of AAV particles by transmission electron microscopy (TEM) or other methods.
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Background

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Q & A

Customer Reviews

Adeno-associated viruses (AAVs) belong to the Parvoviridae family and are the smallest known viruses. A combination of favorable properties has accelerated the widespread use of AAV-based vectors in human gene therapy. AAV serotype 2 (AAV2) is the most intensively studied and best characterized serotype to date, and the recombinant form of this virus (rAAV2) has become one of the leading gene transfer systems in human clinical trials. The advantages of AAV vectors are their lack of pathogenicity, replication deficiency, and their transgene delivery to both dividing and non-dividing post-mitotic cells. However, broad but nonspecific tissue tropism and poor transduction of many therapeutically interesting target cells remain major obstacles to the application of these gene therapy vectors. Among the various engineered AAVs, GFP AAV-GPQGKNS represents a major advance in targeting and therapeutic applications. GFP AAV-GPQGKNS particles contain a carefully designed capsid derived from AAV serotype 2 (AAV2). The AAV2 serotype is known for its exceptional ability to infect a wide range of cells, but the unengineered version lacks specificity for tumor cells. To overcome this limitation, the AAV2 capsid has been engineered to insert a peptide at position I588. The inserted peptide sequence GPQGKNS significantly enhanced the ability of the virus to recognize and enter tumor cells.
Customer Q&As
What is the structural difference between AAV2 and AAV8?

A: The most significant structural differences between AAV8 and AAV2 are located on the capsid surface at protrusions surrounding the two-, three-, and fivefold axes at residues reported to control transduction efficiency and antibody recognition for AAV2.

What is recombinant AAV?

A: Recombinant AAV (rAAV) lacks viral DNA and is essentially a protein-based nanoparticle engineered to cross cell membranes and ultimately deliver its DNA cargo into the nucleus.

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Customer Reviews
High-Quality

The design and quality of the GFP AAV-GPQGKNS particles are impeccable. The engineered capsid ensures effective targeting and infection of tumor cells, while the GFP reporter provides a strong and clear readout.

French

12/18/2021

Enhanced Transduction Efficiency

The engineered capsid with the GPQGKNS peptide insertion has markedly improved the transduction efficiency of the virus compared to standard AAV2. This enhancement is particularly evident in our tumor cell lines, facilitating more consistent and reproducible data in our gene therapy experiments.

Canada

06/15/2021

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