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Related Concept Videos

The Skin Microbiota01:27

The Skin Microbiota

The human skin serves as a complex ecosystem inhabited by a diverse community of microorganisms, including bacteria, fungi, and viruses. This microbiome plays a critical role in maintaining skin health and defending against pathogenic invaders. The composition of microbial communities varies significantly across different regions of the body, influenced primarily by the local levels of moisture and sebum.Regional Variation in Skin MicrobiotaCutibacterium acnes predominantly colonizes sebaceous...

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A 3D-printed transepidermal microprojection array for human skin microbiome sampling.

Kun Liang1, Cheryl Leong1, Jia Min Loh1

  • 1A*STAR Skin Research Labs (A*SRL), Agency for Science, Technology and Research (A*STAR), Singapore 138648.

Proceedings of the National Academy of Sciences of the United States of America
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A novel 3D-printed microprojection array (MPA) effectively samples skin microbes from both surface and deeper layers. This advanced skin microbiome sampling tool enhances detection of fungi and diverse microbial species.

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Area of Science:

  • Microbiology
  • Biotechnology
  • Dermatology

Background:

  • Conventional skin microbiome sampling methods (swabs, tape strips) may miss microbes in deeper skin layers.
  • Understanding the full skin microbial community is crucial for health and disease research.

Purpose of the Study:

  • To develop and evaluate a novel sampling tool, the transepidermal microprojection array (MPA), for comprehensive skin microbiome analysis.
  • To assess the MPA's efficacy compared to existing methods for capturing skin microbial biomass.

Main Methods:

  • Utilized 3D printing for rapid customization and optimization of the MPA design.
  • Evaluated MPA sampling efficacy on human scalp, comparing it with traditional swab and tape strip methods.

Main Results:

  • The optimized MPA demonstrated comparable sensitivity to swabs and superior performance to tape strips, particularly on nonstandard skin surfaces.
  • MPA sampling detected a higher frequency of clinically relevant fungi and revealed differences in species diversity compared to conventional methods.

Conclusions:

  • The 3D-printed MPA offers an advanced solution for skin microbiome sampling, capturing microbes from multiple skin depths.
  • This tool has the potential to improve our understanding of the skin microbiome's role in dermatological health and disease.