Research Keyword: opportunistic infection

Ex Vivo Host Transcriptomics During Cryptococcus neoformans, Cryptococcus gattii, and Candida albicans Infection of Peripheral Blood Mononuclear Cells From South African Volunteers

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Researchers studied how human immune cells respond to three different fungal infections that commonly affect people with weakened immune systems. By examining gene activity in blood cells exposed to these fungi, they discovered that each fungus triggers different immune responses, with Candida albicans causing a much stronger reaction than the two Cryptococcus species. Only one shared immune pathway was activated by all three fungi, suggesting each infection requires different immune mechanisms to fight off. These findings could help develop new treatments for serious fungal infections.

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The first report of rhinosinusitis by Rhizopus delemar in a patient with severe COVID-19 in Iran: a case report

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A 63-year-old man hospitalized with COVID-19 developed a serious fungal sinus infection caused by a rare mold called Rhizopus delemar. Despite surgery to remove infected tissue and treatment with antifungal medication amphotericin B, the infection spread and the patient died after five weeks. This was the first documented case of this particular mold causing sinus infection in a COVID-19 patient in Iran, highlighting how severe fungal infections can occur as dangerous complications of COVID-19.

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The Gcn5 lysine acetyltransferase mediates cell wall remodeling, antifungal drug resistance, and virulence of Candida auris

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Candida auris is a dangerous fungal infection that resists many standard antifungal drugs. Researchers discovered that a protein called Gcn5 helps this fungus survive both drugs and the body’s immune system. By targeting Gcn5 with a new compound called CPTH2, scientists showed they could make the fungus more vulnerable to standard treatments like caspofungin, suggesting a promising new approach to fighting these infections.

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Co-Infection of Pulmonary Aspergillosis and Cryptococcal Meningitis in an HIV-Positive Patient: A Case Report

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This case describes a 46-year-old man with advanced HIV who developed two serious fungal infections simultaneously: a lung infection caused by Aspergillus fungus and meningitis caused by Cryptococcus fungus. Despite receiving appropriate antifungal medications, his condition worsened and he unfortunately died. The case highlights how people with very low immune cell counts are at high risk for multiple life-threatening fungal infections and emphasizes the importance of early HIV testing and screening for fungal infections.

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