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[Research progress on receptor interacting proteins in inflammation].

Jingjing Ding1, Yunbi Lu1

  • 1Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou 310058, China.

Zhejiang Da Xue Xue Bao. Yi Xue Ban = Journal of Zhejiang University. Medical Sciences
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Receptor interacting proteins (RIPs) are kinases crucial for innate immunity and inflammation. This review explores how RIPs mediate programmed cell death (necroptosis) and trigger inflammatory responses, highlighting their therapeutic potential.

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Area of Science:

  • Molecular Biology
  • Immunology
  • Cell Biology

Background:

  • Receptor interacting proteins (RIPs) are threonine/serine protein kinases involved in innate immunity and inflammation.
  • RIPs, particularly RIP1 and RIP3, are implicated in programmed cell death (necroptosis) and inflammatory responses.
  • Necroptosis is a regulated cell death pathway triggered by signals like TNF and Toll-like receptors, involving MLKL phosphorylation.

Purpose of the Study:

  • To review the major signaling pathways and molecular mechanisms by which RIPs mediate necroptosis and inflammation.
  • To highlight the significance of RIPs in the pathogenesis of inflammatory diseases.
  • To discuss the potential of RIPs as therapeutic targets for inflammatory conditions.

Main Methods:

  • Literature review focusing on signaling pathways and molecular mechanisms of RIPs in necroptosis and inflammation.
  • Analysis of studies investigating the role of RIPs in innate immune response and inflammatory diseases.
  • Synthesis of current knowledge on RIPs' involvement in TNF and Toll-like receptor signaling pathways.

Main Results:

  • RIPs orchestrate necroptosis by participating in necrotic complex formation.
  • RIP-mediated necroptosis leads to cell disintegration and release of inflammatory mediators.
  • RIPs play a critical role in TNF and Toll-like receptor-induced inflammatory signaling.

Conclusions:

  • RIPs are key regulators of necroptosis and inflammation through well-defined signaling pathways.
  • Dysregulation of RIPs contributes to the development of inflammatory diseases.
  • RIPs represent promising therapeutic targets for managing inflammatory disorders.