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Chemical Compound Review

AG-J-99033     (2-amino-3-hydroxy-octadec- 4...

Synonyms: AC1L1JYL, CTK6D9331, IN1084
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High impact information on Sphingosine 1-phosphate

  • Edg Rs transduce signals from LPA and S1P that stimulate ras- and rho-dependent cellular proliferation, enhance cellular survival, and suppress apoptosis [1].
  • Endothelial differentiation gene (edg)-encoded G protein-coupled receptors (Edg Rs)-1, -3, and -5 bind sphingosine 1-phosphate (S1P), and Edg-2 and -4 bind lysophosphatidic acid (LPA) [1].
  • LPA stimulated proliferation and signaled a serum response element-luciferase reporter of immediate-early gene activation in OCCs but not OSEs, whereas S1P evoked similar responses in both OSEs and OCCs [1].
  • Lysophosphatidic acid (LPA) and sphingosine 1-phosphate (S1P) from platelets and macrophages mediate T cell functions [2].
  • This activity of HFD VLDL is independent of an LDL receptor family member but requires the activation of S1P(3) receptors, as shown by the ability of pharmacological block of S1P receptors by VPC 23019 and by small interfering RNA-mediated downregulation of S1P(3) receptors to inhibit HFD VLDL anticaspase activity [3].

Biological context of Sphingosine 1-phosphate


Anatomical context of Sphingosine 1-phosphate

  • Human T cell tumors express many Edg Rs for both LPA and S1P [2].
  • Mass levels of S1P and DHS1P in multiple biological samples, including human plasma, mouse plasma, and mouse brain tissues (e.g., cortex, cerebellum, spinal cord, and brain stem), were determined by the developed methodology [5].
  • In endothelial cells, S1P stimulates the EDG-1 receptor-mediated activation of the endothelial isoform of nitric oxide synthase (eNOS), but the role of LPA in eNOS regulation is less well understood [4].
  • FTY720 acts as a high-affinity agonist at the sphingosine 1-phosphate receptor-1 (S1P1), where it internalises the receptor and causes alterations to the normal circulation of lymphocytes between the blood and lymphoid tissue [6].


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