The focus of Session V of the XX International Clinical Dermatology Meeting of Barcelona was the discussion of current research topics in Dermatology, including animal models of autoimmune disease. The presentation of Dr. Antonio Guilabert from the Department of Dermatology at the Hospital Clinic, Barcelona, focused on autoimmune conditions associated with blistering. He began by giving a comprehensive overview of innate immunity, comparing and contrasting it with adaptive immunity and describing the function of the cells involved in these processes before moving on to provide background information on autoimmune disorders. He highlighted the contribution of the deregulation of the innate immune system to the onset of different autoimmune conditions, including systemic lupus erythematosus, ...