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Varicella in hairless guinea pigs
M G Myers1, B L Connelly, L R Stanberry
1Division of Infectious Diseases, Children's Hospital Research Foundation, Cincinnati, OH 45229-2899.
The Journal of Infectious Diseases
|April 1, 1991
Summary
Newborn and adult guinea pigs infected with varicella-zoster virus (VZV) develop a rash. This VZV infection model in guinea pigs can be used to test antiviral drugs and study VZV pathogenesis.
Area of Science:
- Virology
- Immunology
- Dermatology
Background:
- Varicella-zoster virus (VZV) causes chickenpox and shingles in humans.
- Animal models are crucial for studying VZV pathogenesis and developing antiviral therapies.
Purpose of the Study:
- To establish and characterize a novel guinea pig model for VZV infection.
- To investigate the development of skin lesions during VZV infection in guinea pigs.
- To evaluate the efficacy of VZV-convalescent serum in preventing VZV-induced exanthems.
Main Methods:
- Infection of depilated newborn and hairless adult guinea pigs with VZV.
- Detection of VZV in tissues using polymerase chain reaction (PCR) and nucleic acid hybridization.
- Administration of VZV convalescent-phase guinea pig serum as a prophylactic treatment.
Main Results:
- A high proportion of infected guinea pigs developed an erythematous papular exanthem.
- VZV was detected in various tissues of infected animals.
- Prophylactic administration of VZV convalescent serum reduced the frequency of exanthem development.
Conclusions:
- The VZV-infected guinea pig model recapitulates key features of VZV infection, including exanthem formation.
- This model is suitable for studying VZV pathogenesis.
- The model can be utilized for preclinical testing of antiviral compounds against VZV.