Abstract
The University of California at Davis 200 and 206 (UCD-200/206) lines of chickens have proven to be the animal model that best reflects the situation in human SSc. We have demonstrated a misbalance of pro-fibrotic (TGF-β1) and anti-fibrotic (TGF-β2 and -β3) TGF-β isoforms as a possible cause for fibrotic alterations in this model. This opens new avenues for diagnosis and therapy for this still intractable condition.