Assessment of seven protocols to prepare Cutibacterium acnes bacterial lysates to measure its immunogenic potential and review of the literature

Abstract : Seven protocols were tested to prepare cell wall extracts from live Cutibacterium acnes. Different parameters were modified: thawing/freezing and sonication/freezing cycles, to impact on mechanical degradation of the bacteria. Finally, the immunogenic potential of the extracts generated was evaluated by measuring IL-8 releases using an in vitro skin explants system. The aim of this article was to compare the existing protocols from the scientific literature, and also propose a standardized method developed in our facilities.
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Submitted on : Thursday, May 2, 2019 - 9:08:23 AM
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Marie-Ange Dagnelie, Amir Khammari, Brigitte Dréno, Stéphane Corvec. Assessment of seven protocols to prepare Cutibacterium acnes bacterial lysates to measure its immunogenic potential and review of the literature. Anaerobe, Elsevier Masson, 2019, 57, pp.75-81. ⟨10.1016/j.anaerobe.2019.03.019⟩. ⟨inserm-02117150⟩

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