Hydrogen Peroxide Triggers Kaposi's Sarcoma-Associated Herpesvirus Reactivation
Author Information
Author(s): Ye Fengchun, Zhou Fuchun, Bedolla Roble G., Jones Tiffany, Lei Xiufen, Kang Tao, Guadalupe Moraima, Gao Shou-Jiang
Primary Institution: The University of Texas Health Science Center at San Antonio
Hypothesis
Reactive oxygen species, specifically hydrogen peroxide, mediate KSHV reactivation from latency.
Conclusion
Hydrogen peroxide induces KSHV reactivation through both autocrine and paracrine signaling, suggesting that antioxidants could be potential therapeutic agents.
Supporting Evidence
- H2O2 induces KSHV reactivation through both paracrine and autocrine mechanisms.
- H2O2 scavengers inhibit KSHV lytic replication in culture.
- N-acetyl-L-cysteine effectively inhibits KSHV lytic replication in a mouse model.
- H2O2 activates ERK1/2, JNK, and p38 MAPK pathways, which are crucial for KSHV reactivation.
Takeaway
This study found that hydrogen peroxide can wake up a virus that usually sleeps in the body, which could help us find new ways to treat related cancers.
Methodology
The study involved experiments on KSHV-infected cells to observe the effects of hydrogen peroxide on viral reactivation and lytic replication.
Digital Object Identifier (DOI)
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