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Closing the gate on SARS-CoV-2: A VSV pseudotype neutralization assay targeting the key to viral entry

To address the urgent and immediate need for R&D tools for the fight against the public health threat from SARS-CoV-2, IBT Bioservices now offers a pseudotype virus system to assay inhibition of infectivity in a BSL-2 environment. Briefly, Vesicular Stomatitis virus (VSV) glycoprotein gene (G) has been substituted with SARS-CoV-2 Spike Protein (rVSV pseudotyped SARS-CoV-2 Spike). The recombinant rVSV-DG SARS-CoV-2 Spike has been incorporated into a convenient luciferase-based neutralization assay for evaluating the efficacy of drug candidates that target Spike-mediated infection (Figure 1). This system is similar to previously published and validated VSV pseudotype platform for Ebolavirus and Marburgvirus1,2,3.

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Staphylococcus aureus skin infection model

The increasing rate of bacterial resistance creates a challenging environment for the development of therapies for bacterial infections. Bacterial skin infections are one of the leading manifestations of infectious disease in the world. Staphylococcus aureus—both Methicillin-resistant (MRSA) and Methicillin-Sensitive (MSSA) strains—is the leading cause of skin and soft tissue infections in the USA. It is the leading cause of hospital associated (HA) and community associated (CA) infections worldwide.

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Prophylaxis and immunotherapy of S. aureus/MRSA disease

Staphylococcus aureus (SA) is a Gram-positive bacterium that colonizes approximately one third of the human population1.  It causes a wide range of diseases from skin and soft tissue infections (SSTI) to life-threatening systemic disease such as bacteremia and pneumonia with high mortality rates2,3.  Currently, methicillin-resistant S. aureus (MRSA) is killing as many people…

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IBT Bioservices continues to conduct critical work as an essential business under the State of Maryland’s COVID-19 response directive. We have implemented a risk management plan and are continually monitoring the situation to ensure continuation of research according to public health services recommended best-practices for keeping our employees and the community safe. 

The IBT Bioservices team will continue to deliver high quality products and services for every project. If you have any questions contact us at Services@IBTBioservices.com