ALS	Amyotrophic Lateral Sclerosis
ALS-FTD	Amyotrophic Lateral Sclerosis–Frontotemporal Dementia
ALS2	Amyotrophic Lateral Sclerosis 2
ANG	Angiogenin
AR	Androgen Receptor
ASO	Antisense Oligonucleotide
ATL1	Atlastin GTPase 1
ATP	Adenosine Triphosphate
ATXN2	Ataxin-2
BBB	Blood–Brain Barrier
C9orf72	Chromosome 9 Open Reading Frame 72
CAG	Cytosine–Adenine–Guanine
CCND1	Cyclin D1
CHIP	Carboxyl Terminus of Hsc70-Interacting Protein
CHMP2B	Charged Multivesicular Body Protein 2B
CNS	Central Nervous System
DAPI	4′,6-Diamidino-2-Phenylindole
DOAJ	Directory of Open Access Journals
DPR	Dipeptide Repeat Proteins
ELISA	Enzyme-Linked Immunosorbent Assay
ERBB3	Erb-B2 Receptor Tyrosine Kinase 3
FBS	Fetal Bovine Serum
FIG4	FIG4 Phosphoinositide 5-Phosphatase
FTD	Frontotemporal Dementia
FUS	Fused in Sarcoma
GFAP	Glial Fibrillary Acidic Protein
GLE1	GLE1 RNA Export Mediator
GRN	Progranulin
HDAC	Histone Deacetylase
HSP	Hereditary Spastic Paraplegia
HSP70	Heat Shock Protein 70
IAHSP	Infantile-Onset Ascending Hereditary Spastic Paraplegia
KIF5A	Kinesin Family Member 5A
LCCS	Lethal Congenital Contracture Syndrome
LD	Linear Dichroism
MAPT	Microtubule-Associated Protein Tau
MDPI	Multidisciplinary Digital Publishing Institute
MND	Motor Neuron Disease
mRNA	Messenger Ribonucleic Acid
NES	Nuclear Export Signal
NMJ	Neuromuscular Junction
Nrf2/ARE	Nuclear Factor Erythroid 2-Related Factor 2/Antioxidant Response Element
OPTN	Optineurin
PBS	Phosphate-Buffered Saline
PIP5K1C	Phosphatidylinositol-4-Phosphate 5-Kinase Type I Gamma
PLS	Primary Lateral Sclerosis
PMA	Progressive Muscular Atrophy
PolyQ	Polyglutamine
REEP1	Receptor Expression-Enhancing Protein 1
RNA	Ribonucleic Acid
RNP	Ribonucleoprotein
ROS	Reactive Oxygen Species
RT-PCR	Reverse Transcription Polymerase Chain Reaction
Rab5	Ras-related Protein Rab-5
SBMA	Spinal and Bulbar Muscular Atrophy
siRNA	Small Interfering RNA
SMA	Spinal Muscular Atrophy
SMN	Survival Motor Neuron
SOD1	Superoxide Dismutase 1
SPAST	Spastin
SPG4	Spastin
SPG7	Paraplegin
TARDBP	TAR DNA-Binding Protein Gene
TDP-43	TAR DNA-Binding Protein 43
TFEB	Transcription Factor EB
TUBA4A	Tubulin Alpha 4A
UBQLN2	Ubiquilin-2
UPR	Unfolded Protein Response
UPS	Ubiquitin–Proteasome System
VCP	Valosin-Containing Protein
5hmC	5-hydroxymethylcytosine