TTSPs	Type II transmembrane serine proteases
TMPRSS2	Transmembrane protease, serine 2
HAI-1	Hepatocyte growth factor activator inhibitor-1
SPINT1	Serine peptidase inhibitor, Kunitz Type 1
HAI-2	Hepatocyte growth factor activator inhibitor-2
SPINT2	Serine peptidase inhibitor, Kunitz Type 2
HGF	Hepatocyte growth factor
HGFA	Hepatocyte growth factor activator
MET	Mesenchymal–epithelial transition factor
KD1	Kunitz domain 1
KD2	Kunitz domain 2
MANEC	Motif at the N-terminus with eight cysteines
PKD	Polycystic kidney disease
SCSD	Syndromic congenital sodium diarrhea
ER	Endoplasmic reticulum
HCC	Hepatocellular carcinoma
mRNA	Messenger ribonucleic acid
DNMT1	DNA methyltransferase 1
PCa	Prostate cancer
GRHL2	Grainyhead-like-2
SMG	Submandibular salivary gland
MMP	Matrix metalloproteinase
uPA	Urokinase-type plasminogen activator
sHAI-1	Soluble HAI-1
HIF	Hypoxia-inducible factor (included HIF-1α/2α)
maHAI-1	Membrane-anchored recombinant HAI-1
HAT	Human airway trypsin-like protease
EpCAM	Epithelial cell adhesion molecule
PAR-2	Protease-activated receptor-2
TROP2	Trophoblast cell surface antigen 2
SNP	Single-nucleotide polymorphism
GI	Gastrointestinal
SF	Scatter factor
E	Embryonic day
KD	Knockdown
BCT	Basal chorionic trophoblast
MT2	Matriptase-2
ENaC	Epithelial sodium channel
SOX9	SRY-box transcription factor 9
OA	Osteoarthritic
GLP1R	Glucagon-like peptide 1 receptor
NPCs	Neural progenitor cells
BMP	Bone morphogenetic protein
CP	Choroid plexus
CPE	Choroid plexus epithelial
SIP1	Smad-interacting protein 1
AD	Alzheimer’s disease
TAD	Thoracic aortic dissection
SMCs	Smooth muscle cells
PDGF-BB	Platelet-derived growth factor BB
TME	Tumor microenvironment
OSCC	Oral squamous cell carcinoma
CAF	Cancer-associated fibroblast
AML	Acute myeloid leukemia
MSCs	Mesenchymal stromal cells
SDF-1	Stromal cell-derived factor-1
EMT	Epithelial–mesenchymal transition
NSCLC	Non-small-cell lung carcinoma
RCC	Renal cell carcinoma
LMS	Leiomyosarcoma
OS	Overall survival
RFS	Recurrence-free survival
DMFS	Distant metastasis-free survival
HGG	High-grade glioma
MB	Medulloblastoma