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Herpes Simplex Virus

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Herpes Simplex Virus representative image
Herpes Simplex Virus representative image

Description

Description: Herpes simplex virus-1 (HSV-1) is an enveloped, double-stranded DNA virus that has been used with modification as an oncolytic virus against a number of tumor types. Attributes of HSV-1 that are appealing as an oncolytic agent include its large, modifiable genome and its sensitivity to antiviral agents, such as ganciclovir, and its lack of host cell integration. Oncolytic herpes simplex virus type 1 (oHSV-1) is attenuated through deletion of virulence factors to make it safe for administration to cancer patients. The virus is engineered to delete both copies of ICP34.5 and disrupt the ICP6 reading frame (see diagram below). The purchased virus is ready for use in cell killing assays or may be amplified to generate additional virus stocks.

Strain: Lab-adapted HSV-1 strain 17+

Tropism: Most cell types


Gene Map of HSV-GFP:

Proposed Uses

Standard titer stocks are ready to use in cell killing assays or for generation of new viral stocks. 

Protocol Tips

Propagation: Inoculate producer cells (e.g. BHK-21 cells) at an MOI of 0.01 for 2-3 hours. Harvest culture supernatant and cells when 80-90% of the cell monolayer is showing cytopathic effects (CPE). Freeze-thaw 3 times and clarify the supernatant by low-speed centrifugation. Centrifuge the supernatant at 12,500 rpm (14,000xg) for 1h at 4C. Gently remove supernatant and resuspend the pellet in PBS. Freeze and store aliquots at or below -70oC.

Viral Titration: Titer virus by TCID50/mL endpoint dilution assay. Score CPE positive cells based on the presence of dead cells 3 days after inoculation. Alternatively, titer viruses by plaque assay and crystal violet staining. 

Regulatory Information

Biosafety Level: 2

 

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Use Fewer Animals

Our Reduction Campaign

At Imanis, we are committed to promoting the practice of the 3Rs in animal research. Learn how we are decreasing the use of animals and research as well as saving up to 15% on your orders. Continue reading...