Establishment of an In Vitro Hairless Guinea Pig Dermal Model

The study successfully established an in vitro model using hairless guinea pig dermal fibroblasts (HGP-DF) to optimize cell culture conditions and assess responses to toxic exposure, particularly sulfur mustard. The HGP-DF cells demonstrated higher sensitivity to toxic exposure compared to human dermal fibroblasts, with a lower median lethal concentration. This model serves as an intermediate between human cells and in vivo models, potentially improving data translation. The study also identified optimal media and seeding density for cell viability and highlighted the need for further research on phenotypic changes post-cryopreservation and the effects of animal age. Future work should address these limitations and explore advanced statistical models to enhance the model's utility in toxicology research.