ALS	amyotrophic lateral sclerosis
ALSFRS	the amyotrophic lateral sclerosis functional rating scale
ANGP2	angiopoietin 2
BBB	blood-brain barrier
BDNF	brain-derived neurotrophic factor
BM	bone marrow
CNS	central nervous system
CRP	C-reactive protein
CSF	cerebrospinal fluid
GDNF	glial cell line-derived neurotrophic factor
HSC	hematopoietic stem cell
HSPC	hematopoietic stem/progenitor cell
LIN-	lineage-negative cells
NGF	nerve growth factor
NT	neurotrophin
NTF	neurotrophic factor
PBS	phosphate buffered saline
PSC	pluripotent stem cell
qRT-PCR	quantitative reverse transcription polymerase chain reaction
SC	stem cell
SPC	stem/progenitor cell
Tx	transplantation
VEGF	vascular endothelial growth factor