Herpes simplex virus induces the marked up-regulation of the zinc finger transcriptional factor INSM1, which modulates the expression and localization of the immediate early protein ICP0
2011

Herpes Simplex Virus and INSM1 Interaction

publication Evidence: moderate

Author Information

Author(s): Kamakura Maki, Goshima Fumi, Luo Chenhong, Kimura Hiroshi, Nishiyama Yukihiro

Primary Institution: Nagoya Graduate School of Medicine

Hypothesis

Does the zinc finger transcription factor INSM1 play a role in the expression and localization of the immediate early protein ICP0 during herpes simplex virus infection?

Conclusion

INSM1 up-regulation enhances HSV-1 replication by binding to the ICP0 promoter.

Supporting Evidence

  • INSM1 gene expression increased at least 400-fold after HSV-1 infection.
  • INSM1 was shown to bind to the ICP0 promoter.
  • INSM1-specific siRNA inhibited HSV-1 replication.

Takeaway

When the herpes virus infects cells, it makes a protein called INSM1 work harder, which helps the virus grow and spread.

Methodology

The study used microarray analysis, RT-PCR, luciferase reporter assays, and ChIP assays to investigate the role of INSM1 in HSV infection.

Limitations

The study did not determine whether the up-regulation of INSM1 mRNA corresponds to the production of functional INSM1 protein.

Participant Demographics

Normal human epidermal keratinocytes and HaCaT cells were used in the study.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1743-422X-8-257

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