ACR/AAHKS	American College of Rheumatology/American Association of Hip and Knee Surgeons
AMPA	α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor
ARTN	Artemin
ATP	Adenosine triphosphate
BDNF	Brain-derived neurotrophic factor
CSI	Central Sensitization Inventory
CX3CR1	C-X3-C motif chemokine receptor 1
DN4	Douleur Neuropathique en 4 Questions
eIF4E	Eukaryotic translation initiation factor 4E
FcγRI	Fc gamma receptor I
FPR1	Formyl peptide receptor 1
GDNF	Glial cell line-derived neurotrophic factor
GFRα2	GDNF family receptor alpha 2
GFRα3	GDNF family receptor alpha 3
GFRα4	GDNF family receptor alpha 4
GRADE	Grading of Recommendations Assessment, Development and Evaluation
HMGB1	High-mobility group box 1
IASP	International Association for the Study of Pain
ICD-11	International Classification of Diseases, 11th Revision
IFN	Interferon
IFN-α/β	Interferon alpha/beta
IFNAR	Interferon alpha/beta receptor
IL-17	Interleukin-17
IL-1β	Interleukin-1 beta
IL-6	Interleukin-6
KCC2	Potassium-chloride cotransporter 2
KOOS	Knee Injury and Osteoarthritis Outcome Score
LRP	Low-density lipoprotein receptor-related protein
MAPK	Mitogen-activated protein kinase
MNK1/MNK2	MAP kinase-interacting serine/threonine-protein kinases 1 and 2
MRI	Magnetic resonance imaging
NaV1.8/1.9	Voltage-gated sodium channel subtypes NaV1.8 and NaV1.9
NF-κB	Nuclear factor kappa B
NGF	Nerve growth factor
NMDA	N-methyl-D-aspartate receptor
NRTN	Neurturin
p-eIF4E	Phosphorylated eukaryotic translation initiation factor 4E
PBMC	Peripheral blood mononuclear cell
PGE2	Prostaglandin E2
PROBAST + AI	Prediction Model Risk of Bias Assessment Tool + Artificial Intelligence
PSPN	Persephin
QST	Quantitative sensory testing
RA	Rheumatoid arthritis
RET	Rearranged during transfection receptor tyrosine kinase
SANRA	Scale for the Assessment of Narrative Review Articles
TAFA4	TAFA chemokine-like family member 4
TKA	Total knee arthroplasty
TLR4	Toll-like receptor 4
TNF-α	Tumour necrosis factor alpha
TRIPOD + AI	Transparent Reporting of a Multivariable Prediction Model for Individual Prognosis or Diagnosis + Artificial Intelligence
TrkA	Tropomyosin receptor kinase A
TrkB	Tropomyosin receptor kinase B
TRPA1	Transient receptor potential ankyrin 1
TRPV1	Transient receptor potential vanilloid 1
US	United States