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GFP Adeno-Associated Virus ( DMD4 )

GFP Adeno-Associated Virus ( DMD4 )

Cat.No. :  AAV00451Z

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. AAV00451Z
Description This virus is a reporter AAV with capsid engineering / modification. GFP DMD4 particles contain engineered capsid derived from AAV serotype 2 (AAV2) which has insertion of peptides QVSHWVSGLAEGSFG at I587.
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

Publications

Q & A

Customer Reviews

Adeno-associated virus (AAV) is one of the most active gene therapy vectors. It was originally discovered as a contaminant of adenoviral preparations, hence its name. In short, AAV is a protein coat that surrounds and protects a small single-stranded DNA genome of approximately 4.8 kilobases (kb). AAV belongs to the family Parvoviridae and relies on co-infection with other viruses, primarily adenoviruses, for replication. The AAV genome was originally differentiated serologically, and molecular cloning has identified hundreds of unique AAV strains in many species. Its single-stranded genome contains three genes, Rep (replication), Cap (capsid), and aap (assembly). These three genes generate at least nine gene products through the use of three promoters, alternative translation start sites, and differential splicing. These coding sequences are flanked by inverted terminal repeats (ITRs) required for genome replication and packaging. The Rep gene encodes four proteins (Rep78, Rep68, Rep52, and Rep40) that are required for viral genome replication and packaging, while Cap expression produces viral capsid proteins (VP; VP1/VP2/VP3), which form a shell that protects the viral genome and are actively involved in cell binding and internalization. The viral capsid is estimated to be composed of 60 proteins arranged in an icosahedral structure with a capsid protein molar ratio of 1:1:10 (VP1:VP2:VP3).
Customer Q&As
What is needed to improve the efficiency and specificity of rAAV-mediated gene delivery?

A: The non-targeted delivery by AAV requires high doses and potentially resulting in toxicities, problematic manufacturing burdens and suboptimal efficacy. Therefore, an important area in the development of AAV as a vector concerns the engineering of altered cell tropisms to increase rAAV mediated gene delivery efficiency and specificity.

What are the strategies to improve the efficiency and specificity of AAV delivery?

A: One is the assembly and recombination of proteins between different viruses, which can produce hybrid rAAV. The other is to recombine, redesign or introduce random mutations to the capsid protein of AAV by different methods, artificially increasing the variability of AAV serotypes, and then screening for suitable AAV serotypes.

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Customer Reviews
Versatile Applications

The versatility of the GFP Adeno-Associated Virus (DMD4) is impressive. We've used it across a variety of in vitro and in vivo models with excellent results. T

French

03/27/2023

Time-Saving

The virus was easy to handle, and the results were consistently reproducible, saving us time and effort in our project timelines.

Germany

04/25/2020

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