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Article Dans Une Revue Microorganisms Année : 2020

Biofilms in Diabetic Foot Ulcers: Significance and Clinical Relevance


Foot infections are the main disabling complication in patients with diabetes mellitus. These infections can lead to lower-limb amputation, increasing mortality and decreasing the quality of life. Biofilm formation is an important pathophysiology step in diabetic foot ulcers (DFU)—it plays a main role in the disease progression and chronicity of the lesion, the development of antibiotic resistance, and makes wound healing difficult to treat. The main problem is the difficulty in distinguishing between infection and colonization in DFU. The bacteria present in DFU are organized into functionally equivalent pathogroups that allow for close interactions between the bacteria within the biofilm. Consequently, some bacterial species that alone would be considered non-pathogenic, or incapable of maintaining a chronic infection, could co-aggregate symbiotically in a pathogenic biofilm and act synergistically to cause a chronic infection. In this review, we discuss current knowledge on biofilm formation, its presence in DFU, how the diabetic environment affects biofilm formation and its regulation, and the clinical implications.
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hal-03332327 , version 1 (02-09-2021)




Cassandra Pouget, Catherine Dunyach-Remy, Alix Pantel, Sophie Schuldiner, Albert Sotto, et al.. Biofilms in Diabetic Foot Ulcers: Significance and Clinical Relevance. Microorganisms, 2020, 8 (10), pp.1580. ⟨10.3390/microorganisms8101580⟩. ⟨hal-03332327⟩
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