Modulating the skin mycobiome-bacteriome and treating seborrheic dermatitis with a probiotic-enriched oily suspension

Seborrheic dermatitis (SD) affects 2–5% of the global population, with imbalances in the skin microbiome implicated in its development. This study assessed the impact of an oily suspension containing Lactobacillus crispatus P17631 and Lacticaseibacillus paracasei I1688 (termed EUTOPLAC) on SD sympto...

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Published inScientific reports Vol. 14; no. 1; p. 2722
Main Authors Truglio, Mauro, Sivori, Francesca, Cavallo, Ilaria, Abril, Elva, Licursi, Valerio, Fabrizio, Giorgia, Cardinali, Giorgia, Pignatti, Marco, Toma, Luigi, Valensise, Floriana, Cristaudo, Antonio, Pimpinelli, Fulvia, Di Domenico, Enea Gino
Format Journal Article
LanguageEnglish
Published London Nature Publishing Group UK 01.02.2024
Nature Publishing Group
Nature Portfolio
Subjects
631/326
692/1807
692/699
692/700
Bacteria
Dermatitis
Fungi
Humanities and Social Sciences
Immune system
Lactobacillus
Malassezia
Microbiomes
Microorganisms
multidisciplinary
Pathogenesis
Patients
Probiotics
Science
Science (multidisciplinary)
Seborrheic dermatitis
Skin
Skin diseases
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Summary:Seborrheic dermatitis (SD) affects 2–5% of the global population, with imbalances in the skin microbiome implicated in its development. This study assessed the impact of an oily suspension containing Lactobacillus crispatus P17631 and Lacticaseibacillus paracasei I1688 (termed EUTOPLAC) on SD symptoms and the skin mycobiome-bacteriome modulation. 25 SD patients were treated with EUTOPLAC for a week. Symptom severity and skin mycobiome-bacteriome changes were measured at the start of the treatment (T0), after seven days (T8), and three weeks post-treatment (T28). Results indicated symptom improvement post-EUTOPLAC, with notable reductions in the Malassezia genus. Concurrently, bacterial shifts were observed, including a decrease in Staphylococcus and an increase in Lactobacillus and Lacticaseibacillus . Network analysis highlighted post-EUTOPLAC instability in fungal and bacterial interactions, with increased negative correlations between Malassezia and Lactobacillus and Lacticaseibacillus genera. The study suggests EUTOPLAC's potential as a targeted SD treatment, reducing symptoms and modulating the mycobiome-bacteriome composition.
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ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-024-53016-0