CD	Cluster of Differentiation
anti-CCP	anti-Cyclic Citrullinated Peptide antibodies
RF	Rheumatoid Factor
ACE	Angiotensin Converting Enzyme
TCR	T-Cell Receptor
TH1	Type 1 Helper T cells
TNF-α	Tumor Necrosis Factor-α
IL-2	Interleukin-2
IL-12	Interleukin-12
M1	classically activated macrophages
IFN-γ	Interferon-γ
IHC	Immunohistochemistry
MLN	Mesenteric Lymph Nodes
BAL	Bronchoalveolar lavage
ILD	Interstitial Lung Diseases
MIP-1α	Macrophage Inflammatory Protein-1α
CXCL9	C-X-C motif ligand 9 chemokine
CXCL10	C-X-C motif ligand 10 chemokine
CXCL11	C-X-C motif ligand 11 chemokine
CXCR3	C-X-C Chemokine Receptor Type 3
CCR5	C-C Chemokine Receptor Type 5
IL-12R	Interleukin-12 Receptor
IL-18R	Interleukin-18 Receptor
sIL-2R	soluble Interleukin-2 Receptor
M2	alternatively activated macrophages
mRNA	messenger RNA
Lck	lymphocyte-specific tyrosine kinase
PKC-θ	Protein Kinase C-theta
NF-κB	Nuclear Factor kappa B
CTLA-4	Cytotoxic T Lymphocyte Antigen-4
NF-AT	Nuclear Factor of Activated T cells
CD40L	CD40 Ligand
PD-1	Programmed Death-1
TH2	Type 2 Helper T cells
TARC	Thymus-and-Activation-Regulated Chemokine
CCR4	C-C Chemokine Receptor Type 4
GATA-3	GATA-binding protein-3
Ig	Immunoglobulin
IL-4	Interleukin-4
IL-13	Interleukin-13
CCL18	C-C motif ligand 18 chemokine
SAA	Serum Amyloid A
FEV1	Forced Expiratory Volume in one second
TLR-2	Toll-like receptor 2
IL-18	Interleukin-18
CTO	Chitotriosidase
TH17	Type 17 Helper T cells
CCR6	C-C Chemokine Receptor Type 6
IL-17A	Interleukin-17A
IL-23	Interleukin-23
TH17.1	Type 17.1 Helper T cells
STAT1	Signal Transducer and Activator of Transcription 1
STAT3	Signal Transducer and Activator of Transcription 3
STAT4	Signal Transducer and Activator of Transcription 4
TGF-β1	Transforming Growth Factor-β1
RORγT	RAR-related Orphan Receptor gamma Thymus-specific isoform
CXCL8	C-X-C motif ligand 8 chemokine
IL-23R	Interleukin-23 receptor
FoxP3	Forkhead box P3
Treg	Regulatory T cells
ICOS	Inducible Co-Stimulator
NKT	Natural Killer T cells
NK	Natural Killer cells
KIR	Killer Cell Immunoglobulin-like Receptor
HLA-DR	Human Leukocyte Antigen-DR
Tfh	Follicular helper T cells
IL-21	Interleukin-21
CXCR5	C-X-C Chemokine Receptor Type 5
IL-10	Interleukin-10
Breg	Regulatory B cells
Be	B effector cells
BAAF	B cell-Activating Factor
IC	Immune complexes
TLR-9	Toll-like receptor 9
MHC	Major histocompatibility complex (MHC)
JAK	Janus Kinase
mTOR	Mammalian Target of Rapamycin
mTORC1	Mammalian Target of Rapamycin Complex 1
MCPIP1	Monocyte Chemoattractant Protein-1 Gene
mKatG	Mycobacterium tuberculosis catalase–peroxidase