Oral administration of semisynthetic sphingolipids promotes recovery of striatal dopamine concentrations in a murine model of parkinsonism.
basic_science · Level V
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Abstract
The neurotoxin 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) administered to young C57/B16J black mice caused a striatal dopamine depletion that could be at least partially reversed by chronic intraperitoneal administration of GM1 ganglioside. The present study shows that the semisynthetic sphingolipids LIGA 4 (II3Neu-5-AcGgOse4-2-d-erythro-1,3-dihydroxy-2-acetamide-4-t rans-octadacene) and LIGA 20 (II3Neu-5-AcGgOse4-2-d-erythro-1,3-dihydroxy-2-chloro-acetam ide-4- trans-octadacene) are also effective in at least partially reversing MPTP-induced striatal dopamine depletions in mice after oral administration. These results suggest that semisynthetic ganglioside derivatives may be superior to the parent GM1 ganglioside for human clinical use.
Medical subject headings
- Corpus Striatum
- Dopamine
- G(M1) Ganglioside
- Parkinson Disease, Secondary
- Sphingolipids
- Sphingosine