AAV	Adeno-associated virus
AD-MSCs	Adipose-derived mesenchymal stromal cells
ATMP	Advanced therapy medicinal product
B-ALL	B-cell acute lymphoblastic leukemia
bFGF	Basic fibroblast growth factor
BM-MSC	Bone marrow-derived mesenchymal stromal cell
CAF	Cancer-associated fibroblast
CTC	Circulating tumor cell
CXCL12	C-X-C motif chemokine ligand 12 (stromal cell-derived factor-1, SDF-1)
CXCR4	C-X-C chemokine receptor type 4
EGF	Epidermal growth factor
EMT	Epithelial-to-mesenchymal transition
ERK	Extracellular signal-regulated kinase
EV	Extracellular vesicle
GDEPT	Gene-directed enzyme prodrug therapy
HCC	Hepatocellular carcinoma
HE	Hospital exemption
HGF	Hepatocyte growth factor
HIF-1α	Hypoxia-inducible factor-1 alpha
HLA-DR	Human leukocyte antigen—DR isotype
HSV-TK	Herpes simplex virus thymidine kinase
IDO	Indoleamine 2,3-dioxygenase
IFN-β	Interferon-beta
IL-6	Interleukin-6
IL-8	Interleukin-8
IL-10	Interleukin-10
ITGA5	Integrin alpha-5
LLC	Lewis lung carcinoma
MAPK	Mitogen-activated protein kinase
MCP-1	Monocyte chemoattractant protein-1
MET	Mesenchymal-to-epithelial transition
MNP	Magnetic nanoparticle
MSC	Mesenchymal stromal/stem cell
MSC-EV	Mesenchymal stromal/stem cell-derived extracellular vesicle
NK	Natural killer (cell)
NSCLC	Non-small cell lung cancer
NTR	Nitroreductase
OV / OVs	Oncolytic virus / oncolytic viruses
PDAC	Pancreatic ductal adenocarcinoma
PDGF	Platelet-derived growth factor
PDGFR-β	Platelet-derived growth factor receptor beta
PGE2	Prostaglandin E2
PLGA	Poly(lactide-co-glycolide)
PNP	Purine nucleoside phosphorylase
SDF-1	Stromal cell-derived factor-1 (CXCL12)
TME	Tumor microenvironment
T-VEC	Talimogene laherparepvec
TGF-β	Transforming growth factor-beta
TK	Thymidine kinase
TKA168H	HSV-TK mutant variant TKA168H
TMZ	Temozolomide
TNF-α	Tumor necrosis factor-alpha
TRAIL	Tumor necrosis factor-related apoptosis-inducing ligand
VEGF	Vascular endothelial growth factor