Abstract
Systemic sclerosis (SSc) is characterized by an excessive accumulation of collagen in skin and internal organs and increased serum concentrations of different connective tissue metabolites have been reported. In this study of 82 patients with SSc, serum concentrations of aminoterminal type III procollagen peptide (PIIINP), smaller PIIINP-related antigens (Fab PIIINP) and hyaluronan (HA) were increased as compared to healthy controls matched for age and sex. Patients with a shorter disease duration (less than 3 years) had higher serum levels of PIIINP and Fab PIIINP than patients with a longer disease duration. The highest serum concentrations of PIIINP and HA were seen in seven patients who died within 2 years.
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