AP-1	activator protein 1
CI	confidence interval
EP300	300 kDa E1A-binding protein
FOS	v-Fos FBJ murine osteosarcoma viral oncogene homolog
GWAS	genome-wide association studies
HEY1	hairy/enhancer of split-related with YRPW motif 1
IL1B	interleukin 1β
JUN	v-Jun avian sarcoma virus 17 oncogene homolog
JUNB	oncogene Jun-B
JUND	oncogene Jun-D
LD	linkage disequilibrium
MAF	minor allele frequency
MALDI-TOF	matrix-assisted laser desorption/ionization—time of flight
NC	normal controls
NIRCA	non-isotopic RNase cleavage assay
OA	osteoarthritis
OR	odds ratio
PMA	phorbol-12-myristate 13-acetate
POU2F2	POU domain class 2 transcription factor 2
RA	rheumatoid arthritis
RLA	relative luciferase activity
RLU	relative light units
SEM	standard error of the mean
SM	synovial membrane
SNP	single nucleotide polymorphism
SRF	serum response factor
TAF1	TATA box binding protein-associated factor 1