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Serological Approaches.

Barbora Weinbergerova1, Iva Kocmanova2,3, Zdenek Racil2,4

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Methods in Molecular Biology (Clifton, N.J.)
|November 13, 2016
PubMed
Summary

Diagnosing invasive fungal diseases (IFD) is challenging. Non-culture biomarkers like fungal antigens offer improved sensitivity and specificity for earlier detection and treatment, reducing patient mortality.

Keywords:
1,3-beta-D-glucanAspergillus lateral-flow deviceFungitell assayGalactomannanLatex agglutinationThe Platelia Aspergillus enzyme immunoassay

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Area of Science:

  • Mycology
  • Infectious Diseases
  • Biomarker Discovery

Background:

  • Conventional diagnosis of invasive fungal diseases (IFD) relies on clinical, radiological, and microbiological data, often leading to delayed and unreliable results.
  • Early and accurate diagnosis of IFD is crucial for timely antifungal treatment, especially in immunocompromised patients.

Purpose of the Study:

  • To evaluate the role of non-culture-based diagnostic methods, particularly fungal biomarkers, in improving the early detection of IFD.
  • To highlight the integration of biomarkers into updated consensus definitions for IFD diagnosis.

Main Methods:

  • Review of non-culture-based diagnostic methods for IFD.
  • Analysis of fungal antigen biomarkers such as galactomannan, 1,3-beta-D-glucan, and cryptococcus antigen.
  • Examination of their use in patients at risk of IFD, particularly those with hematological malignancies.

Main Results:

  • Non-culture-based methods demonstrate higher sensitivity and specificity compared to conventional diagnostics.
  • Fungal antigen biomarkers aid in early screening and prompt antifungal therapy initiation.
  • Inclusion of biomarkers in revised European Organization for Research and Treatment of Cancer/Mycoses Study Group (EORTC/MSG) criteria signifies their growing importance.

Conclusions:

  • Non-culture-based biomarkers significantly enhance the early diagnosis of invasive fungal diseases.
  • These biomarkers are vital for reducing IFD-related morbidity and mortality, especially in high-risk patient groups.
  • The updated EORTC/MSG consensus definitions reflect the clinical utility of these advanced diagnostic tools.