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Molecular Diagnostics for Invasive Molds: From Lab to Bedside

Alisse Hannaford1, Ruben Alfonso Hernandez-Acosta2, Jessica S Little3

  • 1Department of Internal Medicine, Division of Infectious Diseases, Massachusetts General Hospital, Boston, MA, USA; Department of Internal Medicine, Division of Infectious Diseases, Brigham and Women's Hospital, Boston, MA, USA.

Clinics in Laboratory Medicine
|February 1, 2025
PubMed

Insights

Molecular diagnostics offer rapid detection of invasive fungal infections in immunocompromised patients. These tests aid in identifying mold infections and antifungal resistance, improving patient outcomes.

Area of Science:

  • Medical Mycology
  • Molecular Diagnostics
  • Infectious Diseases

Background:

  • Invasive fungal infections (IFIs) pose a significant threat, particularly to immunocompromised individuals.
  • Traditional diagnostic methods for IFIs can be slow and invasive.
  • Early and accurate detection is crucial for effective treatment and improved survival rates.

Purpose of the Study:

  • To review the current landscape of molecular diagnostic tools for detecting invasive fungal infections.
  • To emphasize the role of molecular diagnostics in identifying mold infections in immunocompromised populations.
  • To discuss the utility of these assays in detecting antifungal drug resistance.

Main Methods:

  • Review of existing literature on molecular diagnostic assays for fungal infections.
  • Focus on pathogen-specific and pathogen-agnostic molecular tests.
  • Analysis of clinical implementation factors for these diagnostic modalities.

Main Results:

  • Molecular diagnostics enable faster identification of fungal pathogens compared to conventional methods.
  • Both targeted and broad-range molecular assays show promise for early IFI detection.
  • These methods can also help in predicting antifungal drug resistance.

Conclusions:

  • Molecular diagnostics represent a significant advancement in detecting invasive fungal infections, especially molds.
  • Careful consideration of clinical factors is essential for optimal implementation and interpretation of molecular test results.
  • Further integration of molecular diagnostics can enhance patient management for high-risk populations.
Keywords:
Fungal diagnosticsImmunocompromised hostInvasive fungal diseaseMetagenomic sequencingMolecular diagnosticsMycosesPCR

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