1BR-hTERT cells	immortalized human fibroblasts
3D	three dimensional
A.U.	arbitrary unit
AKT	Ak strain transforming
Arp3	actin related protein 3
ATCC	American Type Culture Collection
BAEC	bovine arterial endothelial cell
CCD	charge-coupled device
DAB	3,3′-diaminobenzidine
DCC	disposable closed cell culture chamber
DMEM	Dulbecco’s modified Eagle’s medium
ECGS	endothelial cell growth supplement
ECM	endothelial cell medium
EGTA	ethylene glycol-bis(β-aminoethyl ether)-N,N,N′,N′-tetraacetic acid
FBS	fetal bovine serum
FDR	false discovery rate
GST	glutathione S-transferase
GTP	guanosine-5′-triphosphate
HEPES	4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid
HSP27	heat shock protein 27
HUVEC	human umbilical vein endothelial cell
IgG	immunoglobulin G
LIMMA	linear models for microarray data
MAPK	mitogen-activated protein kinase
N.A.	numerical aperture
PAK1	p21-activated protein kinase 1
PBD	protein-binding domain
PBS	phosphate buffered saline
PKC	protein kinase C
QC	quality control
Rac1	Ras-related C3 botulinum toxin substrate 1
Rho	Ras homologous
RPPA	reverse phase protein array
RT	room temperature
S6	ribosomal protein S6
SDS	sodium dodecyl sulfate
SHP2	Src homology-2 domain-containing protein tyrosine phosphatase-2
SμG	simulated microgravity
TTBS	Tween-Tris-buffered saline
UD	upside down
μG	microgravity
YB1	Y box binding protein 1