AAV RM Full Capsids

AAV Reference Materials (Full Capsids)

The field of gene therapy is in great need for well characterized AAV reference materials.  Recombinant adeno-associated virus (rAAV) is a widely used gene delivery tool for research and clinical applications.  Per January 2020 FDA’s gene therapy CMC guidance, commercially sourced, well-characterized  AAV reference materials are one of the reference materials for gene therapy.  Vigene’s AAV reference materials (full capsids) with accurate vector genome concentration can be used in qPCR-based vector genome quantification.  Additionally Vigene’s AAV reference materials are well characterized for full-to-empty capsid ratio.  We can provide AAV reference materials in AAV1, AAV2, AAV5, AAV6, AAV8 and AAV9 serotypes. 

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Explore the Fully-Characterized AAV Reference Materials (Full Capsids)

Serotype specific AAV reference materials are produced using helper virus-free method, triple transient transfection. Full capsids are isolated via ultracentrifugation, followed by chromatographic purification. The viral particles are analyzed with both molecular-based assays and transmission electron microscopy (TEM) for full viral vector characterizations, including titer quantitation and full-to-empty ratio. The payload inside the AAV reference materials is CMV-GFP, click to view the vector sequence.

The AAV materials (full capsids) are characterized for identity and purity, viral particles per milliliter (mL), vector genomes per mL, as well as full/empty ratio. The lot sizes range from a few thousand vials to tens of thousands of vials for each serotype of AAV materials.

TEM Analysis of AAV Reference Materials (Full Capsids)

Fig. 1. TEM (transmission electron microscope) image of purified AAV9 reference materials. Full capsids appear as white spheres (white arrow) while empty capsids appear as spheres with black dots in the center (black arrow),

Purity of AAV Reference Materials (Full Capsids) Analyzed With Silver Staining

Fig. 2.  Silver staining of AAV reference materials (full capsids).
AAV reference materials were loaded on a Bis-Tris SDS-PAGE gel. Proteins were detected with silver staining.

Stability of AAV Reference Materials

The stability of AAV reference materials has been demonstrated with a separate stability study of rAAV at 3E+12 GC/mL. The AAV vectors were stored at -80oC for 2 years. Viral genome titer and total particle titer did not change, as assessed by qPCR and ELISA assays.

The stability of the reference material (full capsids) will be conducted in an ongoing manner. qPCR test will be performed following storage at -80oC,  at 3 months, 6 months, and yearly afterwards.

What Can the AAV Reference Materials (Full Capsids) be used for?

The well characterized AAV full capsids reference materials can be used for characterization of rAAV stocks and calibration of in-house reference materials.

  • Reference materials for qPCR titer assays
  • Controls/ Reference materials for full/empty characterization
  • Bridging materials for in house reference materials
AAV sidepanel

Need Custom AAV Reference Materials?

If you need a larger scale or a different serotype of AAV reference materials, we can provide custom production for you. The same production, purification procedure, and analytic methods will be used as the catalog AAV reference materials. Please contact us.

6 Items

per page
Set Descending Direction
  1. AAV1 Reference Materials (full capsids)
    RS-AAV1-FL
    AAV Full Capsids
    AAV1
    CMV
    GFP
  2. AAV2 Reference Materials (full capsids)
    RS-AAV2-FL
    AAV Full Capsids
    AAV2
    CMV
    GFP
  3. AAV5 Reference Materials (full capsids)
    RS-AAV5-FL
    AAV Full Capsids
    AAV5
    CMV
    GFP
  4. AAV6 Reference Materials (full capsids)
    RS-AAV6-FL
    AAV Full Capsids
    AAV6
    CMV
    GFP
  5. AAV8 Reference Materials (full capsids)
    RS-AAV8-FL
    AAV Full Capsids
    AAV8
    CMV
    GFP
  6. AAV9 Reference Materials (full capsids)
    RS-AAV9-FL
    AAV Full Capsids
    AAV9
    CMV
    GFP

6 Items

per page
Set Descending Direction

The field of gene therapy is in great need for well characterized AAV reference materials.  Recombinant adeno-associated virus (rAAV) is a widely used gene delivery tool for research and clinical applications.  Per January 2020 FDA’s gene therapy CMC guidance, commercially sourced, well-characterized  AAV reference materials are one of the reference materials for gene therapy.  Vigene’s AAV reference materials (full capsids) with accurate vector genome concentration can be used in qPCR-based vector genome quantification.  Additionally Vigene’s AAV reference materials are well characterized for full-to-empty capsid ratio.  We can provide AAV reference materials in AAV1, AAV2, AAV5, AAV6, AAV8 and AAV9 serotypes.