Cutibacterium acnes cellular proteins and membranes (C. acnes proteins/membranes)

Cutibacterium acnes (formerly Propionibacterium acnes) is a Gram-positive, anaerobic bacterium that resides primarily within the sebaceous follicles of human skin [StatPearls]. While it is a member of the normal skin flora, its overgrowth and metabolic activity are central to the pathogenesis of acne vulgaris [PubMed]. The cellular proteins and membranes of C. acnes serve as the primary targets for a wide range of antimicrobial and anti-inflammatory treatments [NIH]. For instance, antibiotics like clindamycin and tetracyclines target the bacterial ribosomes to inhibit protein synthesis, while oxidizing agents like benzoyl peroxide non-specifically damage bacterial proteins and membranes through the release of free radicals [PubChem]. Additionally, C. acnes produces various enzymes, such as lipases and proteases, which contribute to follicular wall rupture and subsequent inflammation [PubMed]. Targeting these bacterial components aims to reduce the bacterial population, decrease the production of pro-inflammatory mediators, and ultimately resolve acne lesions [StatPearls]. Therapeutic challenges include the increasing prevalence of antibiotic-resistant strains and the need to maintain the balance of the skin microbiome [WHO]. Modern approaches also explore photodynamic therapy, which targets bacterial porphyrins to induce oxidative stress and membrane damage [PubMed].

Other names

Propionibacterium acnes cellular componentsC. acnes cell wall and membraneBacterial proteins of C. acnes

Oxidative damage to bacterial proteins and membranes (Benzoyl peroxide) [PubChem]; Inhibition of the 50S ribosomal subunit (Clindamycin, Erythromycin) [StatPearls]; Inhibition of the 30S ribosomal subunit (Tetracyclines) [StatPearls]; Inhibition of bacterial protein synthesis (Azelaic acid) [PubMed].