08/03/2026
In this week’s spotlight, we’d like to recognize the groundbreaking work on revealing how lipid signaling regulates neutrophil responses to balance viral clearance and tissue immunopathology during chronic viral infections.
Read the Full Open-Access Article here:
https://hubs.la/Q04rHpSp0
This research article, "Sphingosine kinase 2 suppresses neutrophil responses to promote viral persistence while attenuating immune pathology," investigates the mechanisms underlying immune suppression during persistent Lymphocytic Choriomeningitis Virus (LCMV) infection. The researchers demonstrated that Sphingosine kinase 2 (SphK2) acts as a critical intrinsic regulator of neutrophils; SphK2-deficient neutrophils expand rapidly and display enhanced T-cell stimulatory activity with decreased immunosuppressive markers. To confirm the functional role of these hyper-reactive neutrophils in vivo, the team administered Leinco’s In Vivo Anti-Mouse Ly6G [Clone 1A8] for targeted cell depletion. Their findings reveal that while SphK2-mediated suppression of neutrophils allows persistent viral infection, it simultaneously shields host tissue from severe immunopathology, offering a crucial target for tuning innate immunity against chronic pathogens.
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• Anti-Mouse Ly6G [Clone 1A8]: https://hubs.la/Q04rHnfw0
Chronic viral infections often suppress immune cell functions, which helps restrict immune pathology but leads to viral persistence. However, the underlying ...