TWiV 1187: The tau of herpesvirus

This episode explores the intersection of virology, immunology, and cancer research, specifically focusing on recent advancements in diagnostic tools and the complex relationship between viral infections and neurological diseases like Alzheimer's. Against the backdrop of a discussion about a new blood test for head and neck cancer based on detecting HPV DNA, the conversation pivots to the challenges of developing accurate and reliable cancer diagnostics, exemplified by the limitations of existing tests like PSA for prostate cancer. More significantly, the hosts delve into a study identifying MFSD6 as a potential entry receptor for enterovirus D68, highlighting the complexities of viral entry and the need for more rigorous testing of receptor candidates. In contrast, a second study examines the link between herpes simplex virus type 1 (HSV-1) and Alzheimer's disease, revealing a potential protective role for phosphorylated tau protein in neuronal survival against HSV-1 infection. This finding suggests that the immune response, rather than being solely detrimental, might play a complex role in the development of Alzheimer's. The discussion concludes by emphasizing the need for further research to understand the mechanisms by which tau inhibits viral gene expression and the implications for developing effective treatments for Alzheimer's disease.