Biofilms and the Nail Unit

Corinna Castillo1, Michael F Masi1, Austin Mishko1

  • 1Temple University School of Podiatric Medicine, 148 North 8th Street, Philadelphia, PA 19107, USA.

Insights

Onychomycosis, a fungal nail infection, can form complex biofilms that resist treatment. Emerging therapies like antimicrobials and lasers show promise for treating these challenging nail infections.

Area of Science:

  • Mycology
  • Dermatology
  • Infectious Diseases

Background:

  • Superficial fungal infections, such as onychomycosis (fungal nail infection), are increasingly recognized to form complex biofilms.
  • Biofilm formation in onychomycosis is associated with factors including immunocompromised status, physical nail damage, and co-infections.
  • These fungal biofilms possess mechanisms like efflux pumps and extracellular matrices that contribute to immune evasion and treatment resistance.

Purpose of the Study:

  • To review the current understanding of fungal biofilm formation in onychomycosis.
  • To explore the challenges associated with treating fungal nail biofilms.
  • To summarize the efficacy of emerging treatment modalities for onychomycosis biofilms.

Main Methods:

  • Literature review of recent studies on fungal biofilms in onychomycosis.
  • Analysis of factors contributing to biofilm development and persistence.
  • Evaluation of treatment strategies including antimicrobial and laser therapies.

Main Results:

  • Fungal biofilms in onychomycosis present a significant challenge due to their complex structure and immune-evasive properties.
  • While no standardized treatment exists, preliminary studies indicate potential efficacy of antimicrobial agents and laser treatments.
  • Risk factors such as compromised immunity and nail trauma facilitate the development of these infections.

Conclusions:

  • Fungal biofilms represent a complex aspect of onychomycosis, requiring further investigation for effective treatment strategies.
  • Antimicrobial and laser therapies are showing preliminary success in managing onychomycosis biofilms.
  • Understanding biofilm mechanisms is crucial for developing targeted and effective interventions against fungal nail infections.