Dataset Information

Skin Microbiome in Patients with Hand Eczema and Healthy Controls: A Three-week Prospective Study.

ABSTRACT: The pathogenesis of chronic hand eczema remains unclear. Insights into the skin microbiome in hand eczema and its potential relevance to disease severity may help to elucidate the underlying mechanisms of hand eczema. The aim of this study was to characterize the microbiome in patients with hand eczema and healthy controls. A 5-visit prospective study was conducted over a period of 3 weeks. At each visit, bacterial swabs were taken from the hands of patients with hand eczema and controls. The microbiome was examined using DNA extraction and 16S rRNA amplicon sequencing (V3-V4 regions). Fifty patients with hand eczema and 50 controls were included (follow-up rate=100%). The baseline bacterial α-diversity was reduced on the hands of patients with hand eczema compared with controls (effect size=-0.31; 95% confidence interval (95% CI) -0.50; -0.11; p = 0.003). The dysbiosis on the patients' hands was stable over the study period, was associated with disease severity, and was characterized by reduced bacterial diversity and different bacterial community compositions.

SUBMITTER: Norreslet LB

PROVIDER: S-EPMC9631265 | biostudies-literature | 2022 Jan

REPOSITORIES: biostudies-literature

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Skin Microbiome in Patients with Hand Eczema and Healthy Controls: A Three-week Prospective Study.

Nørreslet Line Brok LB Lilje Berit B Ingham Anna Cäcilia AC Edslev Sofie Marie SM Clausen Maja-Lisa ML Plum Frederik F Andersen Paal Skytt PS Agner Tove T

Acta dermato-venereologica 20220118

The pathogenesis of chronic hand eczema remains unclear. Insights into the skin microbiome in hand eczema and its potential relevance to disease severity may help to elucidate the underlying mechanisms of hand eczema. The aim of this study was to characterize the microbiome in patients with hand eczema and healthy controls. A 5-visit prospective study was conducted over a period of 3 weeks. At each visit, bacterial swabs were taken from the hands of patients with hand eczema and controls. The mi ...[more]

PMID: 34877605

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Project description:ImportanceAlthough the pathogenesis of hidradenitis suppurativa (HS) remains enigmatic, several factors point to potential involvement of the cutaneous microbiome. Insight into the cutaneous microbiome in HS using next-generation sequencing may provide novel data on the microbiological diversity of the skin.ObjectiveTo investigate the follicular skin microbiome in patients with HS and in healthy controls.Design, setting, and participantsThis case-control study obtained punch biopsy specimens from patients with HS (lesional and nonlesional) and healthy controls between October 1, 2014, and August 1, 2016. Data were analyzed from March to November 2016. Patients with HS were recruited from the Department of Dermatology, Zealand University Hospital, Roskilde, Denmark. Biopsy specimens were analyzed at the Department of Microbiology and Infection Control, Statens Serum Institut, Copenhagen, Denmark. None of the participants received any antibiotics (systemic or topical therapy) within 1 month before the study. In patients with HS, biopsy specimens were obtained from lesional skin (axilla or groin) and nonlesional skin. Only nodules containing at least 1 visible hair follicle were biopsied. Biopsy specimens from healthy controls were obtained from the axilla only.Main outcomes and measuresThe different microbiomes were investigated using next-generation sequencing targeting 16S and 18S ribosomal RNA.ResultsThe skin microbiome was characterized in 30 patients with HS (mean [SD] age, 46.9 [14.0] years; 19 [63% female]) and 24 healthy controls (mean [SD] age, 32.2 [12.0] years; 13 [54% female]). The next-generation sequencing data provided a previously unreported (to our knowledge) characterization of the skin microbiome in HS. The study demonstrated that the microbiome in HS differs significantly from that in healthy controls in lesional and nonlesional skin. Overall, the following 5 microbiome types were identified: Corynebacterium species (type I), Acinetobacter and Moraxella species (type II), Staphylococcus epidermidis (type III), Porphyromonas and Peptoniphilus species (type IV), and Propionibacterium acnes (type V). In lesional skin, microbiome types consisted predominantly of type I or type IV. Microbiome type IV was not detected in healthy controls. Several taxa, including Propionibacterium, showed a significantly higher relative abundance in healthy controls vs HS skin, indicating that Propionibacterium may be part of the pathogenesis in HS.Conclusions and relevanceThe study findings suggest a link between a dysbiotic cutaneous microbiome and HS.

Dataset Information

Skin Microbiome in Patients with Hand Eczema and Healthy Controls: A Three-week Prospective Study.

Publications

Skin Microbiome in Patients with Hand Eczema and Healthy Controls: A Three-week Prospective Study.

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