| ALS | Amyotrophic Lateral Sclerosis |
| SOD1 | Superoxide Dismutase 1 |
| TARDBP | TAR DNA-Binding Protein |
| UBQLN2 | Ubiquilin 2 |
| FUS | Fused in Sarcoma |
| ALSFRS-R | ALS Functional Rating Scale Revised |
| MHC | Myosin Heavy Chain |
| ATP | Adenosine Triphosphate |
| mRNA | Messenger RNA |
| RISC | RNA-Induced Silencing Complex |
| UTR | Untranslated Region |
| myomiRs | Muscle Specific MicroRNAs |
| bHLH | Basic Helix-Loop-Helix |
| MyoD | Myogenic Differentiation |
| HDAC4 | Histone Deacetylase 4 |
| FGFBP1 | Fibroblast Growth Factor Binding Protein 1 |
| EDL | Extensor Digitorum Longus |
| TA | Tibialis Anterior |
| G/P | Gastrocnemius/Plantaris |
| SOL | Soleus |
| TDP-43 | TAR DNA-Binding Protein 43 |
| FUS/TLS | FUS RNA Binding Protein |
| IGF-1 | Insulin-like Growth Factor 1 |
| PGC-1α | Peroxisome Proliferator-Activated Receptor Gamma Coactivator 1-Alpha |
| 3′UTR | 3′ Untranslated Region |
| COXIV | Cytochrome C Oxidase Subunit 4 |
| PAX7 | Paired Box 7 |
| RNA-Seq | RNA Sequencing |
| snoRNAs | Small Nucleolar RNAs |
| mtRNAs | Mitochondrial RNAs |