ALS	Amyotrophic lateral sclerosis
CNS	Central nerve system
CSF	Cerebrospinal fluid
CRISPR/SaCas9	Clustered regularly interspaced short palindromic repeats/CRISPR associated protein 9 from Staphylococcus aureus
Ct	Threshold cycle
EBNA	Epstein–Barr nuclear antigen
EBV	Epstein–Barr virus
EDSS	Expanded disability status scale
EGF-R	Epidermal growth factor receptor
GAPDH	Glyceraldehyde 3-phosphate dehydrogenase
HERV	Human endogenous retrovirus
kDa	Kilodalton
LTR	long terminal repeat region
MDM	Monocyte-derived macrophages
MS	Multiple sclerosis
MSRV	Multiple sclerosis-associated retrovirus
NF-κB	Nuclear factor kappa B
NK	Natural Killer
NO	Neuromyelitis optica
PCR	Polymerase chain reaction
qPCR	Quantitative PCR
RRMS	Relapsing-remitting MS
SF2/ASF	Splicing factor 2/alternative splicing factor
SPMS	Secondary-progressive MS
RT	Reverse transcriptase
Tat	Trans activator of transcription
TAR	Trans-activation response element
TDP-43	TAR DNA-binding protein 43
TNFα	Tumor necrosis factor-α