Disruption of PML Nuclear Bodies Is Mediated by ORF61 SUMO-Interacting Motifs and Required for Varicella-Zoster Virus Pathogenesis in Skin
2011

How Varicella-Zoster Virus Disrupts PML Nuclear Bodies in Skin Infection

Sample size: 6 publication 10 minutes Evidence: high

Author Information

Author(s): Wang Li, Oliver Stefan L. Sommer, Marvin Rajamani, Jaya Reichelt, Mike Arvin, Ann M.

Primary Institution: Stanford University School of Medicine

Hypothesis

The study investigates the role of ORF61 protein in disrupting PML nuclear bodies during Varicella-Zoster Virus (VZV) infection in skin.

Conclusion

The disruption of PML nuclear bodies by VZV ORF61 is essential for the virus's pathogenesis in skin.

Supporting Evidence

  • VZV ORF61 was shown to disrupt PML nuclear bodies in infected skin cells.
  • Mutations in ORF61 that affect SUMO-binding capacity resulted in impaired viral replication.
  • VZV pathogenesis in skin was significantly reduced in the absence of functional ORF61 SIMs.

Takeaway

The virus that causes chickenpox can break down special structures in our skin cells that help fight infections, which is important for it to spread.

Methodology

The study used human skin xenografts in SCID mice to analyze the effects of VZV ORF61 on PML nuclear bodies.

Limitations

The study primarily focuses on the effects in a mouse model, which may not fully replicate human responses.

Participant Demographics

Human skin xenografts from fetal tissues were used in the study.

Statistical Information

P-Value

p<0.0001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.ppat.1002157

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