Abstract Number: 661 • 2013 ACR/ARHP Annual Meeting
Topoisomerase-1 Specific T Cells Exhibit a Proinflammatory Th17 Phenotype and Are Associated With Interstitial Lung Disease In Scleroderma
Background/Purpose: Anti-topoisomerase-1 (Topo-1 or Scl70) autoantibodies are present in 30-45% of scleroderma (SSc) patients and identify a more aggressive disease phenotype with worse clinical outcome…