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Related Experiment Videos

Detecting Candida albicans in human milk.

Jimi Francis Morrill1, Demosthenes Pappagianis, M Jane Heinig

  • 1Department of Nutrition, University of California, Davis, Davis, California 95616-8669, USA.

Journal of Clinical Microbiology
|January 9, 2003
PubMed
Summary

Diagnosing mammary candidosis is challenging due to lactoferrin in human milk inhibiting Candida albicans growth. Adding iron to milk cultures with lactoferrin significantly improves yeast detection, reducing false negatives for accurate diagnosis.

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Area of Science:

  • Medical Mycology
  • Human Lactation Biology

Background:

  • Mammary candidosis diagnosis lacks standardized laboratory procedures.
  • Human milk lactoferrin inhibits Candida albicans, complicating yeast detection.
  • Accurate diagnosis is crucial for effective treatment of mammary candidosis.

Purpose of the Study:

  • To investigate the impact of lactoferrin concentrations on Candida albicans growth in human milk.
  • To evaluate the efficacy of iron supplementation in overcoming lactoferrin's inhibitory effects.
  • To develop an improved method for laboratory confirmation of mammary candidosis.

Main Methods:

  • Studied the inhibitory effect of varying lactoferrin concentrations on C. albicans growth in whole human milk.
  • Assessed the impact of iron addition on C. albicans cell counts in milk samples with lactoferrin.

Related Experiment Videos

  • Compared culture results with and without iron supplementation.

    • Main Results:

    • Lactoferrin significantly inhibited C. albicans growth in human milk.
    • Addition of iron increased C. albicans cell counts two- to threefold in milk with 3.0 mg lactoferrin/ml.
    • Iron supplementation markedly reduced false-negative culture results.

    Conclusions:

    • Iron supplementation can overcome lactoferrin-mediated inhibition of C. albicans in human milk.
    • This method offers objective support for diagnosing mammary candidosis.
    • Improved laboratory diagnostics are essential for managing yeast infections in breastfeeding mothers.