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MockV^® MVM Kit - (M219)

Product	Item Number	Unit Size	Qty
	M219	1 kit

Minute Virus of Mice (MVM) is a model parvovirus used commonly as an international regulatory standard for biopharmaceutical process validation.
The MVM-MVP Kit contains MVM-MVP Stock Solution and reagents for Immuno-QPCR analysis.

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Description

Minute Virus of Mice (MVM) is a model parvovirus used commonly as an international regulatory standard for biopharmaceutical process validation. MockV^® non-infectious virus-like particles mimic the physicochemical properties of live infectious viruses used as spiking agents during clearance testing. The MockV MVM Kit contains stock solution of virus- like particles of Murine Virus of Mice (MVM) and all reagents for Immuno-QPCR analysis.

Publications:

Dyer R, Song Y, Chen J, et al. Mechanistic insights into viral clearance during the chromatography steps in antibody processes by using virus surrogates. Biotechnol Progress. 2020;36:e3057. https://doi.org/10.1002/btpr.3057

Modeling Virus Clearance: Use of a Noninfectious Surrogate of Mouse Minute Virus as a Tool for Evaluating an Anion-Exchange Chromatography Method

Monoclonal Antibody Aggregate Polish and Viral Clearance Using Hydrophobic-Interaction Chromatography

Use of a Noninfectious Surrogate to Predict Minute Virus of Mice Removal During Nanofiltration

Characterization of Non-Infectious Virus-Like Particle Surrogates for Viral Clearance Applications

Product details

Product Type	Viral Clearance Kit

Supporting Documents

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Kit Components

2X Master Mix

6-FAM™ Probe, 1X

anti-MVP mAb conjugate (Lyophilized)

Assay Diluent, 5X

Forward Primer, 1X

mAb Coated Microplate

Nuclease-Free Water

Plate Wash Buffer 1, 20X

Plate Wash Buffer 2, 20X

Reverse Primer, 1X

Sample Recovery Buffer, 1X

Spiking MVP

Technical Documents

Predicting Viral Clearance in Downstream Process Development: Application of a Novel Analytical Approach

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Benchtop Viral Clearance Prediction

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Product FAQs

Data from published manuscripts have shown that in the majority of parallel MVP vs. MVM experiments, LRV's of +/- 1.0 log₁₀are obtained. One caveat is that when complete clearance is achieved, an MVM LRV can be ≥ 5.0- 6.0 because of the low LOQ for TCID₅₀ assays while the MVP LRV will be limited to ≥ 4.0-5.0 due to the higher LOQ for the Immuno-qPCR assay.

Articles:

Characterization of Non-Infectious Virus-Like Particle Surrogates for Viral Clearance Applications

Use of a Noninfectious Surrogate to Predict Minute Virus of Mice Removal During Nanofiltration

The Spiking MVP contained within the MockV MVM Kit is derived by recombinantly expressing the major capsid protein of live MVM. Besides the single MVM gene required to make this structural protein, no other MVM genetic elements are utilized during the process to make the MVP. Thus, even if MVM nucleic acid were to become incorporated into the assembled MVP, it would only contain the instructions to make the structural capsid protein. Plaque assay data demonstrating the non-infective nature of the particle can be provided upon request. Please contact techsupport@cygnustechnologies.com.

Like live MVM, the Spiking MVP containing within the MockV MVM Kit is highly resistant to low pH inactivation techniques. LRV’s of ≤ 1.0 have been observed when utilized during such experiments.

The MockV MVM Kit comes with 1.5 mL’s of Spiking MVP. This is enough particle to challenge 10 loads of 150 mL’s each to a starting MVP concentration of 1.0 x 109 particles/mL. There are enough assay components for 3 x 96 well reactions. Additional Spiking MVP and individual assay components can be purchased.

For most chromatography experiments, it is recommended to target a spiked load concentration of 1.0 x 109 – 1.0 x 1010. For nanofiltration experiments a total particle challenge of ≤ 11.0 log10 per small scale device could be first attempted. If flux decay does not become a factor, follow-up experiments could target higher total particle challenges.

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MockV® MVM Kit - (M219)

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Predicting Viral Clearance in Downstream Process Development: Application of a Novel Analytical Approach

Benchtop Viral Clearance Prediction

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MockV^® MVM Kit - (M219)