RA	rheumatoid arthritis
NSAIDs	non-steroidal anti-inflammatory drugs
DMARDs	disease-modifying anti-rheumatic drugs
SIN	sinomenine
MTX	methotrexate
PSMB9	proteasome subunit beta type-9
LMP2	low molecular mass protein 2
IFN-γ	interferon-γ
WGCNA	weighted gene co-expression network analysis
RMA	robust multi-array average
GO	Gene Ontology
KEGG	Kyoto Encyclopedia of Genes and Genomes
BP	biological process
CC	cellular component
MF	molecular function
GSEA	gene set enrichment analysis
MSigDB	Molecular Signatures Database
PPI	protein–protein interaction
OA	osteoarthritis
CPM	counts-per-million
LPS	lipopolysaccharide
DEX	dexamethasone
TOM	topological overlap matrix
FLS	fibroblast-like synoviocytes
CFB	Complement Factor B