BCA	Bicinchoninic acid protein assay
CCM	Conditioned culture medium
CL	Cell lysates
CM	Culture medium
EDTA	Ethylenediaminetetraacetic acid
EV	Extracellular vesicle
F	fraction
FACS	Fluorescence-activated cell sorting
FBS	Fetal bovine serum
HBS	HEPES buffered saline
HBS-T	HBS + 0.005% Tween 20
HD	Healthy donor
HEPES	4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid
HRP	Horseradish peroxidase
IMDM	Iscove’s Modified Dulbecco’s Medium
LDS	Lithium dodecyl sulfate
MES	2-(N-morpholino) ethane sulfonic acid
MISEV	Minimal information for studies of extracellular vesicles
MM	Multiple myeloma
NDMM	Newly diagnosed Multiple Myeloma
NTA	Nanoparticle tracking analysis
p	p-value
PBS	Phosphate-buffered saline
PBS-T	PBS + 0.005% Tween 20
PVDF	Polyvinylidene difluoride
RIPA	Radioimmunoprecipitation assay
RT	Room temperature
SDS	Sodium dodecyl sulfate
SEC	Size-exclusion chromatography
sUC	Sucrose cushion ultracentrifugation
TBS	Tris-buffered saline
TBS-T	TBS + 0.1% Tween 20
UC	Ultracentrifugation
UF	Ultrafiltration
UF-SEC	Ultrafiltration combined with size-exclusion chromatography