FTY720-derivatives do not induce FTY720-like lymphopenia

J Pharmacol Sci. 2017 Mar;133(3):187-189. doi: 10.1016/j.jphs.2017.02.006. Epub 2017 Feb 17.

Abstract

FTY720 is an immunosuppressive multiple sclerosis (MS) drug that stimulates the expression of neuroprotective brain-derived-neurotrophic-factor (BDNF). In vivo preclinical data suggest that FTY720 could be beneficial for treating Parkinson's patients, though its immunosuppressive effects might limit its efficacy. Two novel FTY720-derivatives, FTY720-C2 and FTY720-Mitoxy, also stimulate BDNF expression and enter brain like FTY720 but are not phosphorylated, suggesting they will not produce FTY720-like immunosuppression. Using FTY720 as a positive control, we measured low and high dose FTY720-derivatives, which did not stimulate FTY720-like lymphopenia or immunosuppressive signaling. These findings support the further preclinical assessment of the derivatives as potential novel Parkinson's therapies.

Keywords: Anti-inflammatory; Fingolimod; Neuroprotection.

MeSH terms

  • Animals
  • Cell Line, Tumor
  • Female
  • Leukocyte Count
  • Lymphocytes / drug effects*
  • Lymphopenia
  • MAP Kinase Signaling System / drug effects
  • Male
  • Mice, Inbred C57BL
  • Neutrophils / drug effects
  • Phosphorylation
  • Receptors, Lysosphingolipid / metabolism
  • Sphingosine / analogs & derivatives
  • Sphingosine / pharmacology*
  • Sphingosine-1-Phosphate Receptors

Substances

  • Receptors, Lysosphingolipid
  • S1pr1 protein, mouse
  • Sphingosine-1-Phosphate Receptors
  • Sphingosine