ArticleThe American journal of tropical medicine and hygiene2024
Multi-Locus Sequence Typing-Based Genetic Analysis, Antifungal Resistance, and Clinical Prognosis of Cryptococcus neoformans Infections in HIV-Infected Patients in Northern China.
Article in The American journal of tropical medicine and hygiene, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Sequence Types ofPathogens (Basel, Switzerland) · 2026Article
- Molecular Epidemiology and Antifungal Susceptibility ofInfection and drug resistance · 2026Article
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3 authors.
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Abstract
This study aimed to investigate the molecular epidemiological characteristics and drug sensitivity of Cryptococcus from HIV-infected patients and their relationship with patients' prognosis. Seventy-six strains were collected and identified to the species level by matrix-assisted laser desorption ionization-time of flight mass spectrometry, confirmed by internal transcribed spacer sequencing. Multi-locus sequence typing was used for the typing of Cryptococcus, and its antifungal susceptibility was tested using FUNGUS 3. The clinical outcomes of the patients were reviewed at 3-, 6-, 9-, and 12-month follow-ups. All strains were Cryptococcus neoformans var. grubii classified into seven sequence types (STs) dominated by ST5, ST31, and a new ST702 strain. The 6- and 9-month survival rates were highest for patients infected with ST31, ST32, and ST174. The antifungal resistant rates were 13.2%, 2.6%, and 1.4% for fluconazole, amphotericin B, and 5-fluorocytosine. Except itraconazole, the minimum inhibitory concentration (MIC) values and wild type (WT)/non-wild type (NWT) of Cryptococcus for antifungal drugs were not related to the clinical prognosis of HIV-infected patients with cryptococcal infection. ST5 was the main ST type, and the new ST702 type was found in a patient who died in a short period of time. Cryptococcus neoformans var. grubii had a relatively high antifungal drug resistance rate to fluconazole. The WT strain accounted for the highest proportions for 5-fluorocytosine, amphotericin B, fluconazole, voriconazole, and itraconazole. The MIC values of Cryptococcus for first-line antifungal drugs showed no relationship with clinical prognosis, implying that MIC values cannot be used to predict the clinical outcome of these patients.
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