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Pseudovirus Neutralization Antibody Assay Service SARS-COV-2 Spike Pseudovirus: A kind of chimeric virus particles formed by replacing the envelope protein in the HIV-1 virus skeleton with SARS-COV-2 Spike. Pseudovirus can simulate the process of SARS-CoV-2 infecting cells. The nucleic acid in the virus particle is artificially designed and modified to make the virus replication-defective and not pathogenic.
As SARS-CoV-2 is highly infectious and pathogenic, so it considerably increases the research difficulty and safety hazards for researchers. Pseudoviruses have the essential components for cell entry and viral infection, but lack of nucleic acid and lose self-replication ability. They have been regarded as the effective virological tools due to their safety and versatility. It is currently widely used in the screening and evaluation of antibodies and antiviral drugs, neutralizing antibody assay, and vaccine efficacy evaluation.As a leading company, ACROBiosystems is committed to accelerating the development of reagent products in the drug research and development field , we also hope to accelerate the development of anti-epidemic drugs through our company's rich technical service experience. ACROBiosystems is now launching the SARS-COV-2 Spike Pseudovirus research-related services and products to help the development of antiviral drugs!
Pseudovirus can simulate SARS-CoV-2 to infect target cells
Neutralizer can block pseudovirus from infecting target cells
The SARS-COV-2 Spike Pseudovirus containing the firefly luciferase gene infects target cells and expresses the luciferase gene through its envelope protein—S protein. The S protein is a key component present on the surface of SARS-CoV-2 and is responsible for the viral tropism through host cell recognition by binding to the human angiotensin-converting enzyme 2 (hACE2) receptor. It is the main target for neutralizing antibodies and vaccine design. Neutralizing antibody can block the pseudovirus from infecting host cells. By detecting the decrease in the expression of the luciferase reporter gene, the degree to which the virus is blocked can be inferred to screen or verify the neutralizer.
Sample type | Neutralizing antibodies, drugs, serum and so on, customers only need to provide samples |
Detection reagent | Provide the human ACE2 overexpressing cells, SARS-CoV-2 Spike pseudovirus (wild type and mutant), fluorescence detection reagents, positive antibody control, and other materials needed for the experiment |
Detection equipment | PerkinElmer EnSight Microplate Reader |
Quality Standard | The ratio of the average fluorescence of the pseudovirus to the average fluorescence of the cell control is larger than 1000, and the background value of the fluorescence of the pseudovirus is less than 1% |
Deliverable | Project report |
Service period | 2-4 weeks |
Use wild-type (Figures A and B) and Omicron (Figures C and D) S protein pseudovirus to analyze the neutralizing ability of three neutralizing antibodies (SPD-M265, S1N-M122, REGN10987) against SARS-COV-2
HEK293/Human ACE2 Stable Cell Line | • Human ACE2 overexpression cell line, validated for use with ACROBiosystems SARS-CoV-2 pseudovirus products |
Anti-SARS-CoV-2 Spike RBD Neutralizing Antibody, Chimeric mAb, Human IgG1 (AM122) | • Validated as an ideal positive control antibody for pseudovirus neutralization experiments |
High stability: The method has high stability and the results are true and reliable.
High specificity and sensitivity: High-quality pseudovirus, high-sensitivity detection equipment recognized by the industry.
High-quality detection model: Highly simulating the physiological infection mechanism, which can simulate the actual treatment effect to the greatest extent.
Efficient and fast :The project team will follow up the project one-on-one, give you feedback on the progress of the project periodically, and deliver the experimental results in time.
Extensive service experience and excellent attitude : Outstanding technical service experience, and customized personalized experimental strategies in close linkage with customers.
ACROBiosystems scientist will respond within 24 hours of submission.
Call us at: +1 800-810-0816 or email at services@acrobiosystems.com for consultation.
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