Research Keyword: Host immune response

Fungal Metabolomics: A Comprehensive Approach to Understanding Pathogenesis in Humans and Identifying Potential Therapeutics

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This review explains how scientists use metabolomics—a technique that identifies all chemical compounds in organisms—to understand how fungi cause disease and resist medicines. Fungi produce many different chemicals that help them attack our bodies and survive treatments, but these same chemicals could also be used to create new medicines. By studying these fungal chemicals, researchers can develop better antifungal drugs and understand how fungi manage to evade our immune system.

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Clinical Mycology Today: Emerging Challenges and Opportunities

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Fungal infections are becoming more common because of new medical treatments that suppress immune function, and some fungi are developing resistance to standard medications. However, exciting new antifungal drugs are in development that work in different ways and may be easier to use. The article discusses how doctors need better ways to identify patients at risk, design better clinical trials, and train more specialists to handle these increasingly complex fungal infections.

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Differential composition of the pulmonary microbiome in HIV-positive versus HIV-negative patients with Pneumocystis jirovecii

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This study compared lung infections in HIV-positive and HIV-negative patients who both had Pneumocystis jirovecii. Researchers found that HIV-positive patients had more diverse microorganisms in their lungs, particularly viruses, yet generally did better. HIV-negative patients had fewer types of microorganisms but worse outcomes. The findings suggest that the way a person’s immune system is weakened matters more than just having many germs present.

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Cellular Composition of Bronchoalveolar Lavage Fluid in Patients with Hematologic Malignancies and Invasive Pulmonary Aspergillosis: Significant Associations with Peripheral Blood Cell Counts

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Researchers studied lung fluid samples from cancer patients with a serious fungal lung infection called invasive pulmonary aspergillosis. They found that blood cell counts in the lungs correlated with blood cell counts overall, but surprisingly, the cell composition in lung fluid did not predict patient survival. The study highlights that doctors need better ways to assess the lung’s immune response to this serious fungal infection beyond just counting cells.

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Deubiquitinase Ubp5 is essential for pulmonary immune evasion and hematogenous dissemination of Cryptococcus neoformans

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This study shows that removing a fungal enzyme called Ubp5 from Cryptococcus neoformans significantly weakens the fungus and allows the body’s immune system to fight the infection more effectively. The fungus without Ubp5 loses its ability to hide from the immune system, triggering stronger protective immune responses including more T cells and beneficial inflammatory signals. This research suggests that targeting Ubp5 could be a promising strategy to help treat cryptococcal infections by enhancing the body’s natural defense mechanisms.

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Usefulness of Serum as a Non-Invasive Sample for the Detection of Histoplasma capsulatum Infections: Retrospective Comparative Analysis of Different Diagnostic Techniques and Quantification of Host Biomarkers

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This study evaluated how well different blood tests can detect histoplasmosis, a serious fungal infection caused by Histoplasma capsulatum. Researchers compared three types of tests: those detecting fungal antigens, those detecting antibodies the body produces against the fungus, and DNA-based tests. They found that the best test depends on whether the patient’s immune system is functioning normally or is weakened by HIV, and using a combination of tests provides the most reliable diagnosis. The study also identified specific immune markers in the blood that are elevated in infected patients, which could help predict disease severity.

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Diagnostic Approaches to Invasive Candidiasis: Challenges and New Perspectives

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Invasive candidiasis is a dangerous fungal infection affecting critically ill hospital patients. Current testing methods like blood cultures are slow and unreliable, so doctors are developing faster tests using DNA detection and biomarkers. A combination of new diagnostic tools and prompt treatment with antifungal medications is essential to improve survival rates and reduce complications from this serious infection.

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