MPS	Mucopolysaccharidoses
GAG	glycosaminoglycan
ECM	extracellular matrix
HS	heparan sulfate
DS	dermatan sulfate
ERT	enzyme replacement therapy
HSCT	hematopoietic stem cell therapy
FDA	Food and Drug Administration
SRT	substrate reduction therapy
PPS	pentosan polysulfate
TLR4	toll-like receptor 4
TNF-α	tumor necrosis factor-α
IL-1β	interleukin-1β
IL-8	interleukin-8
MIP-1α	macrophage inflammatory protein-1α
IL-6	interleukin-6
WBC	white blood cell
AST	aspartate aminotransferase
ALT	alanine transaminase
APTT	activated partial thromboplastin time
6MWT	6-minute walk test
3MSCT	3-minute stair climb test
ROM	range of motion
UCG	ultrasonic cardiography
MRI	magnetic resonance imaging
CT	computer tomography
ABR	auditory brainstem response
LC-MS/MS	liquid chromotraphy-tandem mass spectrometry
KS	keratan sulfate
ELISA	enzyme-linked immunosorbent assay
MIF	macrophage migration inhibitory factor
VEGF	vascular endothelial growth factor
IL-10	interleukin-10
IL-18	interleukin-18
MCP-1	macrophage migration inhibitory factor
TNFR1	tumor necrosis factor receptor 1
EEG	electroencephalography
N/A	not applicable
VC	vital capacity
TD	tidal volume
FEV1	forced expiratory volume per second
PEF	peak expiratory flow
V.50	maxixmal flow rate of expiration at 50% vital capacity