ACA	anti-centromere antibodies
ANF	anti-nuclear factor
Anti-C1q	Anti-C1q autoAbs
Anti-PM/Scl	Anti-aminoacyl-tRNA synthetase
Anti-Scl-70	Anti-topoisomerase I antibody
Anti-U3-RNP	Anti-Fibrillarin
ATA	anti-topoisomerase I
CCL18	C-C motif chemokine ligand 18
CCL2 (MCP-1)	C-C motif ligand 2
CCL4	C-C motif ligand 4
CD226	Cluster of differentiation 226
CD247	Cluster of differentiation 247
CTD	connective tissue disease
CTGF	Connective tissue growth factor (CTGF)
CXCL10	C-X-C motif chemokine ligand 10
DcSSc	Diffuse cutaneous systemic sclerosis
ECM	Extracellular matrix
EScSG	The European Scleroderma Study Group activity index
GER	Gastroesophageal reflux
HRCT	High-resolution computed tomography
IL6	Interleukin-6
IL-7	Interleukin-7
IL-8	Interleukin-8
ILD	Interstitial lung disease
IRAK1	Interleukin-1 receptor-associated kinase 1
IRF5	Interferon regulatory factor 5
KL-6	Krebs von den Lungen 6 glycoprotein
LP	likely pathogenic variant
MCTD	Mixed connective tissue disease
MMP-12	Matrix metalloproteinase-12
NLRP1	NLR family, pyrin domain containing 1
PAH	Pulmonary arterial hypertension
PFT	Pulmonary function tests
PIP4K2B	Autoantibodies against anti-phosphatidylinositol-5-phosphate 4-kinase type 2 beta (PIP4K2B)
PLCL2	Phospholipase C-like 2
PM/DM	Polymyositis/dermatomyositis
RNAP-III	Anti-RNA Polymerase III
RSS	Rodnan skin score
SP-D	Surfactant protein D
SSc	Systemic sclerosis
SSc-ILD	Systemic sclerosis-related interstitial lung disease
STAT4	Signal transducer and activator of transcription 4
TGF	Transforming growth factor
TNFAIP3	Tumor necrosis factor a -1 induced protein 3
U1-RNP	Anti-U1RNP antibodies
VUS	Variant of uncertain significance