ArticleArchives of dermatological research2025
Mendelian randomization analysis unveils causal relationships between skin microbiota and osteomyelitis.
Article in Archives of dermatological research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundOsteomyelitis results principally from endo-/exogenous bacterial infections, whose incidence that complicating bone injuries reaches approximately 30%, with the risk of disability and teratogenicity. Skin microbiota has been found to be clinically linked to osteomyelitis, but substantial evidence is lacking.
methodsMendelian randomization (MR) was applied to unveil the causality between human skin microbiome and osteomyelitis. Genetic data of 1,656 skin microbiota samples were obtained from genome-wide association studies (GWAS), with the outcome of osteomyelitis from UK Biobank (UKB) database.
resultsTwo sample MR confirmed 12 skin microbiota strains that possessed significant causality strength with osteomyelitis, in which asv013 [S. epidermidis] (β = 0.061, P = 0.027), Genus propionibacterium (β = 0.065, P = 0.021), Family micrococcaceae (β = 0.086, P = 0.004), asv003 [Staphylococcus (unc.)] (β = 0.065, P = 0.027), and asv004 [Corynebacterium (unc.)] (β = 0.070, P = 0.016) were drivers of osteomyelitis, whilst the leaving asv037 [C. Glutamicum] (β = -0.041, P = 0.004), asv021 [Micrococcus (unc.)] (β = -0.059, P = 0.019), asv063 [Finegoldia (unc.)] (β = -0.037, P = 0.038), Order clostridiales (β = -0.043, P = 0.013), Class betaproteobacteria (β = -0.061, P = 0.004), Family clostridiales (β = -0.061, P = 0.002), and Order clostridiales (β = -0.063, P = 0.023) could be perceived as protective factors. No heterogeneity or pleiotropy in sensitivity analyses were observed, hinting the robustness of the MR findings.
conclusionThis study preliminarily clarified the causal effect of skin microbiome on osteomyelitis. Strains that may significantly trigger or suppress the outcome of osteomyelitis were figured out, which may provide promising insights for the genesis and progression of osteomyelitis, thereby benefiting relevant clinical prevention and treatment.
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