Histoplasma antigen detection in unconfirmed pulmonary tuberculosis and cross-reactivity with Aspergillus antigen in patients and in food in Jakarta, Indonesia

Meiliyana Wijaya, Sem Samuel Surja, Robiatul Adawiyah, Ariananda Hariadi, Findra Setianingrum, Anna Rozaliyani, Erlina Burhan, Mulyati Tugiran, Ridhawati Sjam, David W. Denning, Retno Wahyuningsih

Research output: Contribution to journalArticlepeer-review

Abstract

Purpose: H. capsulatum is endemic in Indonesia, but the value of Histoplasma antigen detection has not been studied. Patients and Methods: Histoplasma galactomannan (GM) ELISA was applied to sera of patients with unproven pulmonary tuberculosis (TB) and patients with a positive Aspergillus GM. Both Histoplasma and Aspergillus GM tests were performed to determine any possible cross-reaction with certain foods. Results: Fourteen of 122 (11.5%) sera of patients with newly diagnosed clinical TB were positive for Histoplasma GM. The positivity rate in the serum of patients 5–6 and 12 months after TB diagnosis was 3.8% and 3.5%, respectively. Of 88 positive Aspergillus GM sera, 63 (71.6%) were also positive for Histoplasma GM. All tested foods were positive for Aspergillus GM, while 65% of foods were positive for Histoplasma GM. Conclusion: Galactomannan is widespread in sera and food in Jakarta, possibly related to food consumption. Histoplasma and Aspergillus antigen detection for the diagnosis will require additional means of confirming the diagnosis; negative tests may be more helpful for ruling out invasive histoplasmosis and aspergillosis.

Original languageEnglish
JournalMycoses
DOIs
Publication statusAccepted/In press - 2023

Keywords

  • aspergillosis
  • galactomannan
  • histoplasmosis
  • tuberculosis

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