Science signaling podcast: 24 February 2015

K. Venuprasad, Annalisa M. Vanhook

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This Podcast features an interview with Venuprasad Poojary, senior author of a Research Article that appears in the 24 February 2015 issue of Science Signaling, about the involvement of an E3 ubiquitin ligase in skin inflammation. Mice lacking the E3 ubiquitin ligases Itch have chronic skin inflammation and persistently scratch themselves. Theivanthiran et al. found that Itch ubiquitylates the adaptor Tab1, thus targeting it for degradation and preventing it from promoting activity of the kinase p38α. In Itch mice, increased p38α activity caused macrophages to produce more inflammatory cytokines, leading to skin inflammation and the itchy phenotype. Disrupting the interaction between Itch and Tab1 with a cellpermeable peptide reduced skin inflammation in Itch mice. Because pharmacological inhibition of p38α has not been clinically successful for treating inflammatory diseases, targeting the ItchTab1 interaction is a potential alternative for reducing p38α activity in this context.

Original languageEnglish (US)
Article numberpc5
JournalScience Signaling
Volume8
Issue number365
DOIs
StatePublished - Feb 24 2015
Externally publishedYes

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Webcasts
Skin
Inflammation
Ubiquitin-Protein Ligases
Macrophages
Phosphotransferases
Pharmacology
Interviews
Cytokines
Phenotype
Degradation
Peptides
Research

Keywords

  • E3 ubiquitin ligase
  • Itch
  • Itching
  • Macrophage
  • P38α
  • Proinflammatory cytokine
  • Protein degradation
  • Science signaling
  • Skin inflammation
  • Tab1
  • Ubiquitination
  • Ubiquitylation

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

Science signaling podcast : 24 February 2015. / Venuprasad, K.; Vanhook, Annalisa M.

In: Science Signaling, Vol. 8, No. 365, pc5, 24.02.2015.

Research output: Contribution to journalArticle

Venuprasad, K. ; Vanhook, Annalisa M. / Science signaling podcast : 24 February 2015. In: Science Signaling. 2015 ; Vol. 8, No. 365.
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