Related Experiment Video

Updated: Aug 11, 2026

Identification of Inositol Phosphate or Phosphoinositide Interacting Proteins by Affinity Chromatography Coupled to Western Blot or Mass Spectrometry
08:07

Identification of Inositol Phosphate or Phosphoinositide Interacting Proteins by Affinity Chromatography Coupled to Western Blot or Mass Spectrometry

Published on: July 26, 2019

Regulation of cytokine signaling pathways by PIAS proteins

Ke Shuai1

  • 1Division of Hematology-Oncology, Department of Medicine, University of California Los Angeles, Los Angeles, California 90095, USA. kshuai@mednet.ucla.edu

Cell Research
|February 14, 2006
PubMed

Insights

Protein inhibitor of activated STAT (PIAS) proteins regulate key immune signaling pathways. This review explores how PIAS proteins control STAT and NF-kB transcription factors, crucial in human diseases.

Area of Science:

  • Molecular Biology
  • Immunology
  • Cellular Signaling

Background:

  • Cytokines are critical regulators of gene expression via signal transduction pathways.
  • Signal transducer and activator of transcription (STAT) and nuclear factor kappa B (NF-kB) are key transcription factors activated by cytokines.
  • Dysregulation of STAT and NF-kB signaling is implicated in various human diseases.

Purpose of the Study:

  • To review the role of the protein inhibitor of activated STAT (PIAS) protein family in regulating STAT and NF-kB signaling pathways.
  • To elucidate the mechanisms by which PIAS proteins modulate these crucial transcription factors.

Main Methods:

  • Literature review of studies investigating PIAS proteins, STAT signaling, and NF-kB signaling.
  • Analysis of proposed mechanisms of PIAS protein function, including DNA-binding interference, co-repressor recruitment, and sumoylation.
  • Synthesis of findings on the interplay between PIAS proteins and cytokine-activated transcription factors.

Main Results:

  • PIAS proteins interact with numerous transcription factors, particularly those in the immune system.
  • PIAS proteins employ diverse mechanisms to regulate transcription factor activity.
  • PIAS proteins directly influence the activity of both STAT and NF-kB pathways.

Conclusions:

  • PIAS proteins are significant regulators of STAT and NF-kB signaling.
  • Understanding PIAS protein function offers insights into cytokine-mediated gene expression and disease pathogenesis.
  • Targeting PIAS proteins may represent a therapeutic strategy for diseases associated with aberrant STAT and NF-kB activity.

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