[Is acne caused by colonization with the "wrong" strain of Propionibacterium acnes? A review of the role of Propionibacterium acnes in acne].

Acne is still a major problem, and treatment options are far from ideal. A number of studies suggest that the species Propionibacterium acnes plays an important role in the pathogenesis, and new data point towards molecular mechanisms by which the organism is able to trigger the host inflammatory response. The current knowledge on P. acnes in relation to acne is reviewed.