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Interaction of Cutibacterium (?formerly Propionibacterium) acnes with bone cells: a step toward understanding bone and joint infection development.


ABSTRACT: Cutibacterium acnes (formerly Propionibacterium acnes) is recognized as a pathogen in foreign-body infections (arthroplasty or spinal instrumentation). To date, the direct impact of C. acnes on bone cells has never been explored. The clade of 11 C. acnes clinical isolates was determined by MLST. Human osteoblasts and osteoclasts were infected by live C. acnes. The whole genome sequence of six isolates of this collection was analyzed. CC36 C. acnes strains were significantly less internalized by osteoblasts and osteoclasts than CC18 and CC28 C. acnes strains (p???0.05). The CC18 C. acnes ATCC6919 isolate could survive intracellularly for at least 96?hours. C. acnes significantly decreased the resorption ability of osteoclasts with a major impact by the CC36 strain (p???0.05). Genome analysis revealed 27 genes possibly linked to these phenotypic behaviors. We showed a direct impact of C. acnes on bone cells, providing new explanations about the development of C. acnes foreign-body infections.

SUBMITTER: Aubin GG 

PROVIDER: S-EPMC5317161 | biostudies-literature | 2017 Feb

REPOSITORIES: biostudies-literature

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Interaction of Cutibacterium ( formerly Propionibacterium) acnes with bone cells: a step toward understanding bone and joint infection development.

Aubin Guillaume Ghislain GG   Baud'huin Marc M   Lavigne Jean-Philippe JP   Brion Régis R   Gouin François F   Lepelletier Didier D   Jacqueline Cédric C   Heymann Dominique D   Asehnoune Karim K   Corvec Stéphane S  

Scientific reports 20170220


Cutibacterium acnes (formerly Propionibacterium acnes) is recognized as a pathogen in foreign-body infections (arthroplasty or spinal instrumentation). To date, the direct impact of C. acnes on bone cells has never been explored. The clade of 11 C. acnes clinical isolates was determined by MLST. Human osteoblasts and osteoclasts were infected by live C. acnes. The whole genome sequence of six isolates of this collection was analyzed. CC36 C. acnes strains were significantly less internalized by  ...[more]

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