Abstract
Acne is a common chronic inflammatory disease affecting hair follicles and sebaceous glands with unclear pathogenesis. It is a multifactorial disease and several pathogenetic factors have been identified, including the increase of androgen and sebum excretion, follicular hyperkeratinization, infection with Propionibacterium acnes, external factors, innate immunity, genetics, etc. Latest studies have indicated that acne is a polygenic disease and there is a particularly close correlation between severe acne and heredity. Many predisposing genes have been discovered for acne, including human CYP11α gene, CYP17 gene, CYP1A1gene, androgen receptor gene, CYP21 gene, etc. Therefore, the investigation into susceptible genes for acne may be beneficial to the early diagnosis, treatment and prevention of severe acne. Key words: Acne vulgaris; Genes; Heredity
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