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Candida albicans and atopic dermatitis

J Savolainen1, K Lammintausta, K Kalimo

  • 1Department of Medical Microbiology, University of Turku, Finland.

Clinical and Experimental Allergy : Journal of the British Society for Allergy and Clinical Immunology
|April 1, 1993
PubMed
Summary

Candida albicans exposure and sensitization correlate with atopic dermatitis (AD) severity, particularly in patients with yeast colonization. This suggests a role for Candida albicans in AD exacerbations, warranting further investigation.

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Area of Science:

  • Immunology
  • Dermatology
  • Microbiology

Background:

  • Atopic dermatitis (AD) is a chronic inflammatory skin condition.
  • The role of microbial agents like Candida albicans in AD pathogenesis is under investigation.

Purpose of the Study:

  • To investigate the association between Candida albicans sensitization and exposure with atopic dermatitis severity.
  • To identify specific Candida albicans components involved in IgE binding.

Main Methods:

  • Skin-prick tests, yeast cultures, and immunoblotting were used.
  • 156 young adults with AD and control groups were studied.
  • Analysis of IgE, IgG, and IgA antibodies against Candida albicans.

Main Results:

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  • Simultaneous anti-Candida albicans IgE and yeast growth correlated with severe AD.
  • Candida albicans sensitization was linked to AD symptoms only with yeast exposure.
  • Specific IgE antibodies targeted 27 and 46 kD proteins and mannan.

    • Conclusions:

    • Continuous exposure to Candida albicans may induce IgE antibodies in AD patients.
    • Candida albicans colonization and IgE synthesis are associated with severe AD phases.
    • Further placebo-controlled trials are needed to confirm Candida albicans' role in AD exacerbations.