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GFP Adeno-Associated Virus ( AAV-SYENV )

GFP Adeno-Associated Virus ( AAV-SYENV )

Cat.No. :  AAV00475Z

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. AAV00475Z
Description This virus is a reporter AAV with capsid engineering / modification. GFP AAV-SYENV particles contain engineered capsid derived from AAV serotype 2 (AAV2) which has insertion of peptides SYENVASRRPEG at I588. The target cell type of this capsid engineered AAV is endothelial 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

Publications

Q & A

Customer Reviews

The efficiency and specificity of viral vectors are critical issues in gene therapy. Insertion of peptide ligands into the receptor binding site of the adeno-associated virus (AAV) capsid can retarget AAV2-derived vectors to other cell types. For several reasons, the capsid region surrounding amino acid R588 (VP numbering) is most commonly used to incorporate peptide ligands into AAV2. Such peptide insertions are compatible with capsid assembly. In addition, the targeting peptide occurs 60 times near the top of the protruding capsid domain within the triple spike region, promoting interactions with potential cell surface structures. Since the attachment of AAV2 to its major cellular receptor, heparan sulfate proteoglycans (HSPGs), is mediated by a set of basic amino acid residues around position 588 within this capsid region, manipulation of this region, including insertion of peptides, results in a loss of HSPG binding. In vivo, this results in the dissociation of AAV2 from its major target tissue, the liver. In addition, such modifications may mediate the escape of neutralizing antibodies directed against the AAV2 capsid. Endothelial cells line the inner surface of blood vessels and play important roles in a variety of physiological processes, including vascular remodeling, angiogenesis, and maintaining the integrity of the blood-brain barrier. Targeting these cells with high specificity has tremendous therapeutic potential, especially in the treatment of cardiovascular diseases, cancer, and neurological disorders. AAV-SYENV is derived from wild-type AAV serotype 2 (AAV2). AAV-SYENV is marked by the strategic insertion of the peptide sequence SYENVASRRPEG at position I588 of the capsid. The peptide insertion in the AAV-SYENV capsid enables it to interact more effectively with endothelial cells, thereby ensuring that the viral particle can more effectively deliver its genetic payload to the desired cells.
Customer Q&As
What is the role of the ITR sequences of the AAV?

A: The ITR was shown to be required for the efficient proliferation of the AAV genome. A feature of these sequences that gives them this property is their ability to form hairpins, which facilitate so-called self-priming and thus allow primase-independent synthesis of the second DNA strand.

How are AAV capsids made?

A: Adeno-associated virus (AAV) capsids are formed through a process known as self-assembly. The process starts with the coding of the AAV capsid proteins, VP1, VP2, and VP3, by the AAV DNA. Afterward, the proteins come together in the virus-producing cells.

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Customer Reviews
Versatility

We've utilized GFP AAV-SYENV in a range of experimental setups, including in vitro cultures and in vivo models. Its versatility and robust performance in different environments have made it an indispensable component of our research.

United Kingdom

12/24/2023

High Consistency

The use of GFP AAV-SYENV has significantly enhanced the reproducibility of our experiments. The engineered virus consistently delivers reliable results, which is critical for the validation and continuity of our research projects.

French

04/22/2023

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