Abstract
Acne vulgaris, a chronic inflammatory skin disease with a high prevalence worldwide, necessitates reliable preclinical models for both understanding its pathogenesis and evaluating potential anti-acne therapies. This study aims to establish a robust mouse model using intracutaneous injection of Cutibacterium acnes bacterial suspension. Three hairless mouse strains (SKH-hr1, SKH-hr2 brown, and SKH-hr2 + ApoE) were systematically compared to ascertain the stains most closely resembling acne in humans. Various assessments, including photo documentation, biophysical evaluation, blood analysis, and histopathology, were conducted. Despite all strains exhibiting acne-like lesions, SKH-hr1 mice emerged as the most suitable model, demonstrating the most satisfactory results across multiple criteria. This research underscores the significance of employing hairless mice strains as models in acne studies to enhance and facilitate the development of effective therapeutic interventions.
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