IUPAC name
[(2R)-2-hydroxy-3-[hydroxy-[(2R,3R,5S,6R)-2,3,4,5,6-pentahydroxycyclohexyl]oxyphosphoryl]oxypropyl] hexadecanoate
3D model (Jmol) Interactive image
PubChem 71296207
Molar mass 572.63 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Lysophosphatidylinositol (LPI), or L-α-lysophosphatidylinositol, is an endogenous lysophospholipid and endocannabinoid neurotransmitter. LPI, along with its 2-arachidonoyl- derivative, 2-arachidonoyl lysophosphatidylinositol (2-ALPI), have been proposed as the endogenous ligands of GPR55.[1][2][3][4]

See also


  1. Oka S, Nakajima K, Yamashita A, Kishimoto S, Sugiura T (November 2007). "Identification of GPR55 as a lysophosphatidylinositol receptor". Biochemical and Biophysical Research Communications. 362 (4): 928–34. doi:10.1016/j.bbrc.2007.08.078. PMID 17765871.
  2. Henstridge CM, Balenga NA, Ford LA, Ross RA, Waldhoer M, Irving AJ (January 2009). "The GPR55 ligand L-alpha-lysophosphatidylinositol promotes RhoA-dependent Ca2+ signaling and NFAT activation". The FASEB Journal. 23 (1): 183–93. doi:10.1096/fj.08-108670. PMID 18757503.
  3. Piñeiro, Roberto; Falasca, Marco (2012). "Lysophosphatidylinositol signalling: New wine from an old bottle". Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids. 1821 (4): 694–705. doi:10.1016/j.bbalip.2012.01.009. PMID 22285325.
  4. Oka S, Toshida T, Maruyama K, Nakajima K, Yamashita A, Sugiura T (January 2009). "2-Arachidonoyl-sn-glycero-3-phosphoinositol: a possible natural ligand for GPR55". Journal of Biochemistry. 145 (1): 13–20. doi:10.1093/jb/mvn136. PMID 18845565.

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