| ALS | Amyotrophic lateral sclerosis |
| EPT1 | ethanolamine phosphotransferase 1 |
| HSP | hereditary spastic paraplegia |
| LC-MS | liquid chromatography-mass spectrometry |
| NfL | neurofilament light |
| PC | phosphatidylcholine |
| PE | phosphatidylethanolamine |
| SELENOI | selenoprotein I |
| TARDBP | TAR DNA binding protein |
| TDP-43 | TAR DNA-binding protein 43 |
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