Learning from HSV-infected mice as a model of Behçet's disease

Area of Science:

• Immunology
• Virology
• Rheumatology

Background:

• Behçet's disease (BD) is a complex multisystem inflammatory disorder.
• Developing accurate animal models is essential for understanding BD pathogenesis and evaluating treatments.
• Existing models vary in their ability to mimic human disease manifestations.

Purpose of the Study:

• To evaluate the utility of a herpes simplex virus (HSV)-induced mouse model for Behçet's disease (BD).
• To assess the capacity of this model to recapitulate key clinical and pathological features of human BD.

Main Methods:

• Induction of Behçet's disease (BD) in mice via inoculation of herpes simplex virus (HSV) type 1 into scratched earlobes.
• Observation and documentation of induced symptoms, including oral, genital, and skin ulcers, ocular lesions, arthritis, and intestinal involvement.

Main Results:

• The HSV-induced model successfully generated symptoms highly similar to those observed in human Behçet's disease (BD) patients.
• Key manifestations such as oral, genital, and skin ulcers, eye lesions, arthritis, and intestinal inflammation were consistently observed.
• This model represents the only continuously utilized animal model for Behçet's disease (BD) research.

Conclusions:

• The herpes simplex virus (HSV)-induced mouse model is a valuable and relevant tool for Behçet's disease (BD) research.
• This model's ability to mimic human BD attributes makes it suitable for investigating disease mechanisms.
• It serves as a critical platform for the preclinical evaluation of various therapeutic strategies for Behçet's disease (BD).