AAPAs	Anti-acetylated protein antibodies
Ab	Antibody
ACPAs	Anti-citrullinated protein/peptide antibodies
ACR	American College of Rheumatology
Ab	Antibody
Ag	Antigen
AMPAs	Anti-modified protein antibodies
Anti-CarP	Anti-carbamylated protein
Anti-MCV	Anti-mutated citrullinated vimentin antibodies
APC	Antigen presenting cell
Apo E	Apolipoprotein E
AutoAb	Autoantibody
AutoAg	Autoantigen
BIP	Immunoglobulin binding protein
BMI	Body mass index
CD	Cluster of differentiation
CD4+ T cell	Cluster of differentiation 4 positive T cell
CD40L	Cluster of differentiation 4 ligand
CEP-1	Citrullinated enolase peptide-1
c-LDL	Carbamylated LDL
CNS	Central nervous system
COPD	Chronic obstructive pulmonary disease
CRP	C-reactive protein
CTLA-4	Cytotoxic T lymphocyte antigen 4
DKK-1	Dickkopf-1
DMARDs	Disease-modifying antirheumatic drugs
EBV	Epstein–Barr virus
ECM	Extracellular matrix
EGF	Epidermal growth factor
EPO	Erythropoietin
ER	Endoplasmic reticulum
ERK	Extracellular signal-regulated kinase
ESR	Erythrocyte sedimentation rate
ESRD	End stage renal disease
EULAR	European League Against Rheumatism
Fc	Constant fragment
FLNA	Filamin A
FLS	Fibroblast-like synoviocyte
FOXP3	Forkhead box P3
FUSE-BP	Far upstream element-binding proteins
GM-CSF	Granulocyte-macrophage colony-stimulating factor
GNS	N-acetylglucosamine-6-sulfatase
GWAS	Genome-wide association studies
HIP-1	Huntingtin-interacting protein-1
HLA	Human leukocyte antigen
IBD	Inflammatory bowel disease
IC	Immune complex
IFN-γ	Interferon-γ
Ig	Immunoglobulin
IKK	Inhibitor of NF-κB kinase
IL	Interleukin
IP	Interphalangeal joint
IRAK1	Interleukin-1 receptor-associated kinase 1
ITP	Immune thrombocytopenia
IV	Intravenous
JAK	Janus kinase
JNK	c-Jun N-terminal kinase
LDL	Low-density lipoprotein
LTH	Leukotoxic hypercitrullination
LtxA	Leukotoxin A
MAC	Membrane attack complex
MAPKs	Mitogen-activated protein kinases
MCP	Metacarpophalangeal joint
MHC	Major histocompatibility complex
MMP	Matrix metalloproteinase
MNDA	Myeloid nuclear differentiation antigen
MPO	Myeloperoxidase
MS	Multiple sclerosis
MTP	Metatarsophalangeal joint
NADPH	Nicotinamide adenine dinucleotide phosphate
NET	Neutrophil extracellular trap
NF	Nuclear factor
NTZ	Nitazoxanide
OA	Osteoarthritis
OB	Osteoblast
OC	Osteoclast
PAD	Peptidylarginine deiminase
pI	Iso-electric point
PIP	Proximal interphalangeal joint
PM	Particulate matter
PNS	Peripheral nervous system
PO	per os (orally)
PPAD	PAD of Porphyromonas gingivalis
PTM	Posttranslational modification
PTPN22	Protein tyrosine phosphatase N22
PVL	Panton–Valentine leukocidin
RA	Rheumatoid arthritis
RA-SF	Synovial fluid of rheumatoid arthritis patients
RF	Rheumatoid factor
SC	Subcutaneous
SE	Shared epitope
SF	Synovial fluid
SLE	Systemic lupus erythematosus
SLO	Streptolysin O
SNP	Single-nucleotide polymorphism
STAT	Signal transducers and activators of transcription
STEMI	ST-segment elevation myocardial infarction
Syk	Spleen tyrosine kinase
TCR	T cell receptor
Teff cell	Effector T cells
TGF-β	Transforming growth factor-β
TH1 cell	Helper T1 cell
TH17 cell	Helper T17 cell
TLR	Toll-like receptor
TNF	Tumor necrosis factor
TRAF1-C5	TNF receptor associated factor 1-C5
TReg cell	Regulatory T cell
Tyk	Tyrosine kinase
ULN	Upper limit of normal
FDA	US Food and Drug Administration