BC	Breast Cancer
ER	Estrogen Receptor
PR	Progesterone Receptor
HER2	Human Epidermal Growth Factor Receptor 2
TNBC	Triple-Negative Breast Cancer
CLU	Clusterin
sCLU	Secreted Clusterin
EMT	Epithelial–Mesenchymal Transition
ECM	Extracellular Matrix
ATCC	American Type Culture Collection
FBS	Fetal Bovine Serum
EDTA	Ethylenediaminetetraacetic acid
PFA	Paraformaldehyde
BSA	Bovine Serum Albumin
PVDF	Polyvinylidene difluoride
DAPI	4′,6-diamidino-2-phenylindole
WB	Western Blot
ICC	Immunocytochemistry
CLSM	Confocal Laser Scanning Microscopy
MMPs	Metalloproteases
PI3K	Phosphoinositide 3-kinase
TLN1	Talin-1
CCN1	CCN family member 1