2D	Two-dimensional
3D	Three-dimensional
ANXA1	Annexin A1
ANXA2	Annexin A2
AR	Androgen receptor
ATCC	American Type Culture Collection
BAX	BCL2 Associated X, Apoptosis Regulator
BCL2	B-cell lymphoma 2
CASP3	Caspase3
CD44	Cell surface glycoprotein CD44
Cx+	Connexin positive
CXCL12	C-X-C Motif Chemokine Ligand 12
CYC1	Cytochrome c1
DLR	Deutsches Zentrum für Luft- und Raumfahrt
ECM	Extracellular matrix
ER	Estrogen receptor
ERK1,2	Extracellular Signal-Regulated Kinase 1, 2
FAK1	Focal adhesion kinase 1
FCS	Fetal calf serum
FTC-133	Human follicular thyroid carcinoma cell line
GLOBOCAN	Global Cancer Observatory
HARV	High-aspect ratio vessel
HER2	Human epidermal growth receptor 2
hyper-g	Hypergravity
ICAM1	Intercellular adhesion molecule 1
IKBKG	NF-kappa-B essential modulator (NEMO)
IKK	IκB kinase
iRPM	Incubator random positioning machine
ISS	International Space Station
IκB	Inhibitor of κB
IκBα	Inhibitor of κB alpha
IκBβ	Inhibitor of κB beta
IκBγ	Inhibitor of κB gamma
IκBε	Inhibitor of κB epsilon
JNK1	Mitogen-activated protein kinase 8
KI67	Antigen KI67
µg	Microgravity
MAPK	Mitogen-Activated Protein Kinase
MCF-7	Michigan Cancer Foundation-7 cell line
MCS	Multicellular spheroids
MDA-MB-231	M.D. Anderson-Metastasis Breast cancer cell line
ML1	Human thyroid carcinoma cell line
MME	Membrane Metalloendopeptidase
MMP11	Matrix Metallopeptidase 11
MMP2	Matrix Metallopeptidase 2
MuSIC	Multi-sample incubator centrifuge
NFKB1	NF-kappa-B transcription complex P105/P50
NFKB2	NF-kappa-B transcription complex P100/P52
NFKB3/NFKB P65	NF-kappa-B transcription complex P65
NFKBIA	NF-κB-inhibitor-alpha
NFKBIB	NF-κB-inhibitor-beta
NFKBIE	NF-κB-inhibitor-epsilon
NFκB	Nuclear factor-kappaB
P	Parabola
PF	Parabolic flight
PFA	Paraformaldehyde
PR	Progesterone receptor
PRKCA	Protein kinase C alpha
PTK2	Protein tyrosine kinase 2 (known as FAK1)
qPCR	Quantitative polymerase chain reaction
RAF1	RAF proto-oncogene serine/threonine-protein kinase
r-µg	Real microgravity
RELA	V-Rel Avian Reticuloendotheliosis Viral Oncogene Homolog A
RPM	Random positioning machine
s-µg	Simulated microgravity
SPP1/OPN	Osteopontin
STRING	Search Tool for the Retrieval of Interacting Genes/Proteins
TBP	TATA-box binding protein
TNBC	Triple-negative breast cancer
TUNEL	Terminal deoxynucleotidyl transferase dUTP nick end labeling
VCAM1	Vascular cell adhesion protein 1
VIB	Vibration