CCA	Canonical correlation analysis
CCC	Cell-to-cell communication
CCL5	C-C motif chemokine ligand 5
DCs	Dendritic cells
EGA	European Genome–Phenome Archive
GEO	Gene Expression Omnibus
HSCs	Hematopoietic stem cells
ICIs	Immune checkpoint inhibitor therapies
IMiDs	Immunomodulatory drugs
LR	Ligand–receptor
MGUS	Monoclonal gammopathies of uncertain significance
MHC	Major Histocompatibility Complex
MM	Multiple Myeloma
NKs	Natural killer cells
PCA	Principal component analysis
PD	Programmed death axis
pDCs	Plasmacytoid dendritic cells
PIs	Proteasome inhibitors
PU.1	Purine-rich box 1
RPMs	Red pulp macrophages
RRMM	Relapsed/Refractory Multiple Myeloma
scRANK	Single cell rankins analysis tool
scRNAseq	Single-cell RNA sequencing
SMM	Smouldering Multiple Myeloma
TF	Transcription factor
TME	Tumour microenvironment
UMAP	Uniform manifold approximation and progression