A distinct cutaneous microbiota profile in autoimmune bullous disease patients

Mor Miodovnik*, Axel Künstner, Ewan A. Langan, Detlef Zillikens, Regine Gläser, Eli Sprecher, John F. Baines, Enno Schmidt, Saleh M. Ibrahim

*Corresponding author for this work
1 Citation (Scopus)


Bullous pemphigoid (BP) is the most common autoimmune blistering disease in Europe. As both the incidence of the disease and the relative proportion of the elderly population continue to rise, it represents a significant medical burden. Whereas some progress has been achieved in defining genetic risk factors for autoimmune blistering diseases, no environmental agent has been conclusively identified. Emerging evidence suggests that host immunity may influence the skin microbiota, while the latter modulates cutaneous immunity. Nevertheless, the relationship between skin microbial communities and autoimmune bullous disease has yet to be studied in humans. Here, we aim to characterise and compare the skin microbiome of patients with BP and healthy, age-matched controls at numerous body sites. Similar to what has been shown in healthy controls, the composition of skin microbiota in patients with BP appears to be very divergent and site specific. Microbial phylum abundances differ between perilesional sites of patients with BP and the same anatomic locations of control patients. A distinct cutaneous microbiota profile, which correlates with BP, further strengthens the significance of commensal-host interaction on our immune system. Moreover, these results raise the possibility that the cutaneous microbiome may contribute to the pathogenesis of BP, with important implications for the treatment of this disease.

Original languageEnglish
JournalExperimental Dermatology
Issue number12
Pages (from-to)1221-1227
Number of pages7
Publication statusPublished - 01.12.2017


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