Alzheimer’s disease	AD
familial Alzheimer’s disease	FAD
sporadic Alzheimer’s disease	SAD
neurodegeneration with brain iron accumulation	NBIA
Parkinson’s disease	PD
Huntington’s disease	HD
amyotrophic lateral sclerosis	ALS
multiple sclerosis	MS
amyloid beta	Aβ
transferrin	Tf
Tf-bound iron	TBI
transferrin receptor	TfR
non-transferrin-bound iron	NTBI
divalent metal transporter-1	DMT1
labile iron pool	LIP
central nervous system	CNS
Blood–brain barrier	BBB
brain microvascular endothelial cell	BMVEC
transient receptor potential mucolipin-1	TRPML1
ferritin	Ftn
reactive oxygen species	ROS
gamma-aminobutyric acid	GABA
inducible nitric oxidase	iNOS
N-methyl-D-aspartate	NMDA
adenosine triphosphate	ATP
3-hydroxy-3-methyl-glutaryl-coenzyme A	HMG-CoA
tricarboxylic acid	TCA
interferon gamma	IFN-γ
toll-like receptor	TLR
tumor necrosis factor-alpha	TNF-α
interleukin-6	IL-6
interleukin 1-beta	IL-1β
interleukin-12	IL-12
interleukin-10	IL-10
C-C motif chemokine ligand-2	CCL2
transforming growth factor-beta	TGF-β
insulin-like growth factor-1	IGF-1
fibroblast growth factor	FGF
nerve growth factor	NGF
brain-derived growth factor	BDNF
toll-like receptor 2	TLR2
toll-like receptor 4	TLR4
toll-like receptor 6	TLR6
cluster of differentiation 33	CD33
cluster of differentiation 36	CD36
triggering receptor expressed on myeloid cells 2	TREM2
apolipoprotein E	apoE
apolipoprotein E4	apoE4
apolipoprotein E2	apoE2