Selected therapeutic targets on AML niche

MechanismTargetsCognate ligand in BM nicheBM nicheDrugClinical trials reference
Adhesion of leukemic stem cell to bone marrow nicheCD44Hyaluronan, osteopontinEndosteal nichePolymeric nanoparticle-mediated silencing of CD44N/R
Selectin ESelectin E ligandVascular nicheUproleselan[108, 109]
VLA4VCAM1Vascular nicheAS101N/R
CXCL12/CXCR4 axis-CXCR4Vascular nicheUlocuplumab[108, 109]
Plerixafor[119, 120]
CXCR4 antagonist LY2510924[121]
Angiogenesis-VEGFVascular nicheAfliberceptN/R
Bevacizumab[136]
AngiopoietinsVascular nicheTrebananib[139]
Bone remodeling signaling pathway-Proteasome inhibitorsVascular nicheBortezomib[143]
Carfilzomib[144]
Ixazomib[145]
Receptor tyrosine kinase inhibitorsVascular nicheCabozantinib[146]
Bone marrow adipose tissue remodeling-FAO inhibitorsVascular nicheAvocatin BN/R
Tumor immune evasion-PD1 inhibitor-Nivolumab[170]
Pembrolizumab[171, 172]
Anti-CTLA4-Ipilimumab[167]

-: no data. N/R: no reference; VLA4: very late antigen 4; VCAM1: vascular adhesion molecule 1; VEGF: vascular endothelial growth factor; FAO: fatty acid β-oxidation; PD1: programmed death 1; CTLA4: cytotoxic T-lymphocyte associated protein 4