ANOVA	Analysis of variance
ATP	Adenosine triphosphate
BC	Bladder cancer
cf	Cell-free
EMT	Epithelial-to-mesenchymal transition
EV	Extracellular vesicle
FDR	False discovery rate
HC	Healthy control
HCD	Higher-energy collisional dissociation
LC-MS/MS	Liquid chromatography followed by tandem mass spectrometry
MCL	Markov clustering
MIBC	Muscle-invasive bladder cancer
MTBE	Methyl-tert-butyl-ether
MVBs	multivesicular bodies
NMIBC	Non-muscle-invasive bladder cancer
NTA	Nanoparticle tracking analysis
PD	Proteome discoverer
ppm	Parts per million
QC	Quality control
SEC	Size-exclusion chromatography
sEV	Small extracellular vesicles
STRING	Search tool for the retrieval of interacting genes
TEM	Transmission electron microscopy
UF	Ultrafiltration
UPS	Ubiquitin proteasome system