| ALLO | Allopregnanolone |
| COMBI | Combination therapy |
| Cer | Ceramides |
| GABA | γ-aminobutyric acid |
| GCS | Glucosylceramide synthase |
| HPßCD | 2-hydroxypropyl-ß-cyclodextrin |
| LC | Lactosylceramides |
| MIGLU | Miglustat |
| MC | Monohexosyl ceramides |
| MDC | Monohexosyl dihydroceramides |
| NMDA | N-methyl-D-aspartate receptor |
| NPC1 | Niemann-Pick disease type C1 |
| Npc1 | NPC1 gene |
| NPC1 | NPC1 protein |
| OF | Open field test |
| OLs | Mature myelinatinggoligodendrocates |
| POMC | Pro-opiomelanocortin neurons |
| PSD95 | Postsynaptic density protein 95 |
| SREBP2 | Sterol regulatory element-binding protein-2 |
| S1P | Sphingosine-1-phosphate lipid |