PFBC	primary familial brain calcification
TCS	total calcification score
CT	computerized tomography
MRI	magnetic resonance imaging
SWI	susceptibility weighted imaging
Pi	inorganic phosphate
PiT1	inorganic phosphate transporter 1
PiT2	inorganic phosphate transporter 2
Slc20a2−/− mice	Slc20a2 homozygous knockout mice
CSF	cerebrospinal fluid
PDGF	platelet-derived growth factor
PDGF-Rβ	platelet-derived growth factor receptor-β
SCMs	smooth muscle cells
BBB	blood–brain barrier
XPR1	xenotropic and polytropic retrovirus receptor 1
MYORG	myogenesis regulating glycosidase
JAM2	junctional-adhesion-molecule-2
UMP-CMPK2	uridine monophosphate-cytidine monophosphate kinase 2
WT	wide-type
NVU	neurovascular unit
PDGFBret/ret mice	mice hypomorphic for PFGFB
SPARCL1	secreted protein acidic and rich in cysteine-like 1
AHSG	alpha 2-Heremans-Schmid glycoprotein
MGP	matrix gla protein
OPN	osteopontin