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Related Experiment Video

Updated: May 28, 2026

Detection of Inflammasome Activation and Pyroptotic Cell Death in Murine Bone Marrow-derived Macrophages
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Published on: May 21, 2018

Interplay between redox status and inflammasome activation.

Anna Rubartelli1, Marco Gattorno, Mihai G Netea

  • 1Cell Biology Unit, National Cancer Research Institute, 16132 Genova, Italy. anna.rubartelli@istge.it

Trends in Immunology
|October 4, 2011
PubMed
Summary
This summary is machine-generated.

Redox signaling influences inflammasome activation and IL-1β secretion. Cell redox state dictates the inflammatory response type and inflammasome activation efficiency, reconciling previous hypotheses.

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Activation and Measurement of NLRP3 Inflammasome Activity Using IL-1β in Human Monocyte-derived Dendritic Cells
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Activation and Measurement of NLRP3 Inflammasome Activity Using IL-1β in Human Monocyte-derived Dendritic Cells

Published on: May 22, 2014

Area of Science:

  • Immunology
  • Cellular Biology
  • Biochemistry

Background:

  • Inflammasome activation and IL-1β secretion are critical inflammation processes.
  • These processes are known to be redox-dependent, but the precise role of pro-oxidant and antioxidant events remains debated.
  • Understanding these redox dynamics is crucial for inflammatory disease research.

Purpose of the Study:

  • To reconcile conflicting hypotheses regarding the role of redox signaling in inflammasome activation.
  • To elucidate the impact of cellular redox state on inflammatory cell responses.
  • To propose a unifying model for redox control of inflammasome activation.

Main Methods:

  • Comparative analysis of leukemic myeloid cells, healthy monocytes, and macrophages.
  • Examination of monocytes from patients with mutations in Nod-like receptor (NLR) genes.
  • Investigation of redox signaling pathways in response to pattern recognition receptor stimulation.

Main Results:

  • A novel model was developed that integrates previous findings on redox signaling in inflammation.
  • The resting redox state of inflammatory cells was identified as a key determinant of the subsequent redox response.
  • This redox state directly influences the efficiency of inflammasome activation.

Conclusions:

  • The cellular redox state critically modulates the inflammatory response to stimuli.
  • This finding provides a framework for understanding how redox balance impacts inflammasome activation.
  • The proposed model has implications for understanding and potentially treating genetic and acquired inflammatory diseases.