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Novel lysophosphoplipid receptors: their structure and function.

Kumiko Makide1, Akiharu Uwamizu2, Yuji Shinjo2

  • 1Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai, Japan PRESTO Japan Science and Technology Corporation, Saitama, Japan.

Journal of Lipid Research
|June 4, 2014
PubMed
Summary

Lysophospholipids (LysoGPs) are lipid mediators acting via G protein-coupled receptors (GPCRs). This review highlights newly identified GPCRs for lysophosphatidylserine (LysoPS) and lysophosphatidylinositol (LPI) and their functions.

Keywords:
GPCRLPILysoPS

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Area of Science:

  • Lipid signaling and molecular pharmacology.
  • Endocrinology and cell communication.

Background:

  • Lysophospholipids (LysoGPs) are crucial lipid mediators.
  • Their functions are primarily mediated by specific G protein-coupled receptors (GPCRs).
  • While some LysoGPs are well-studied, others like lysophosphatidylserine (LysoPS) and lysophosphatidylinositol (LPI) remain less understood.

Purpose of the Study:

  • To review the roles of lysophosphatidylserine (LysoPS) and lysophosphatidylinositol (LPI) as lipid mediators.
  • To focus on the recently identified G protein-coupled receptors (GPCRs) for LysoPS and LPI.
  • To summarize the biological actions mediated by these newly discovered LysoGP-GPCR interactions.

Main Methods:

  • Literature review of recent findings on LysoPS and LPI.
  • Identification and characterization of specific GPCRs for LysoPS and LPI.
  • Analysis of signaling pathways and biological effects.

Main Results:

  • Lysophosphatidylinositol (LPI) signaling is mediated by GPR55.
  • Lysophosphatidylserine (LysoPS) signaling involves three GPCRs: GPR34, P2Y10, and GPR174.
  • These newly identified GPCRs represent key mediators of LysoPS and LPI actions.

Conclusions:

  • The discovery of specific GPCRs for LysoPS and LPI has significantly advanced our understanding of these lipid mediators.
  • Further research into these LysoGP-GPCR axes is crucial for elucidating their physiological and pathological roles.
  • This review consolidates current knowledge, paving the way for future therapeutic strategies targeting these pathways.