PCa	Prostate cancer
MMP-2	matrix metalloproteinase-2
eHSP90α	Extracellular heat shock protein 90α
KO	knockout
KD	knockdown
KLK6	kallikrein-related peptidase 6
HSP90	heat shock protein 90
MMP	matrix metalloproteases
ECM	Extracellular matrix
BrCa	Breast cancer
ATCC	American Type Culture Collection
rEGF	recombinant epidermal growth factor
BPE	bovine pituitary extract
HS	heat shock
SFM	serum-free media
CF	cell fraction
CM	conditioned media
DQ	dequenching
h	hour
PCR	Polymerase chain reaction
DAPI	4′,6-diamidino-2-phenylindole
AR	Androgen receptor
HSR	heat shock response
iHSP90α	Intracellular heat shock protein 90α
PPI	protease/phosphatase inhibitors
EV	Empty vector control
PI	Protease inhibitors
PhI	Phosphatase inhibitors
MME	membrane metallo-endopeptidase
siNegt	Non-targeting negative control siRNA Smartpool
siMME	siRNA Smartpool targeting MME transcript
siKLK6	siRNA Smartpool targeting KLK6 transcript
HNSCC	head and neck squamous cell carcinoma