Table 1

Clinical features associated with systemic sclerosis autoantibodies


Antibodies



ACA
Th/To
U1RNP
U3RNP
Topo
Pol III

Patient characteristics
Female

MCTD
African American


Disease subtype
Limited
Limited
Limited
Diffuse
Diffuse
Diffuse
Joint/skin involvement
↓ Joint
↓ Joint
↑ Joint


↑↑ Skin
Muscle involvement






Calcinosis






Acroosteolysis






DUs
Yes



Yes

PAH ± PF
PAH
PAH
PAH
PAH + PF
PF
↓↓ PF
Renal crisis



Yes
Yes


ACA, anticentromere antibodies; DU, digital ulcer; MCTD, mixed connective tissue disease; PAH, pulmonary arterial hypertension; PF, pulmonary fibrosis; Pol III, polymerase III; Topo, topoisomerase; U1RNP, U1 ribonuclear protein; U3RNP, U3 ribonuclear protein.

Matucci-Cerinic et al. Arthritis Research & Therapy 2007 9(Suppl 2):S7   doi:10.1186/ar2191