Research Topic: immunology

Divergent Immunomodulatory Roles of Fungal DNA in Shaping Treg and Inflammatory Responses

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Different types of fungal DNA trigger different immune responses in the body. DNA from the common yeast Candida albicans promotes immune tolerance and protects T cells, similar to beneficial bacterial DNA. In contrast, DNA from the pathogenic fungus Cryptococcus neoformans triggers strong inflammatory immune responses. This discovery reveals that fungal DNA itself, not just fungal cell wall components, plays an important role in determining whether fungi are treated as friendly commensals or dangerous pathogens by the immune system.

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Unveiling SSR4: a promising biomarker in esophageal squamous cell carcinoma

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Researchers discovered that a protein called SSR4 is overexpressed in esophageal cancer cells and is associated with poor patient outcomes. This protein appears to be involved in how cancer cells communicate with immune cells in the tumor environment. The findings suggest SSR4 could be used as a diagnostic marker and potential therapeutic target for treating esophageal cancer patients.

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Identification of a fungal antibacterial endopeptidase that cleaves peptidoglycan

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Scientists discovered a new antibacterial protein called CwhA produced by the fungus Aspergillus fumigatus that acts like molecular scissors, cutting apart the cell walls of harmful bacteria like Staphylococcus aureus. This protein is produced by the fungus when it encounters bacteria in the lungs during infection and helps the fungus fight off bacterial competitors. When CwhA cuts up bacterial cell walls, it creates fragments that alert the immune system, potentially boosting the body’s defense response against infection.

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