Article
Risk of progression from undifferentiated arthritis to rheumatoid arthritis: the effect of the PTPN22 1858T-allele in anti-citrullinated peptide antibody positive patients.
Rheumatology (Oxford, England) - 1 Jul 2007
Feitsma A L, Toes R E M, Begovich A B, Chokkalingam A P, de Vries R R P, Huizinga T W J, van der Helm-van Mil A H M
Abstract excerpt
OBJECTIVES: Anti-citrullinated peptide antibodies (ACPA) and the C1858T missense single-nucleotide polymorphism (SNP) in the PTPN22 gene are both associated with the development of rheumatoid arthritis (RA). We investigated whether the combination of these two biomarkers yielded better test characteristics to predict progression from undifferentiated arthritis (UA) to RA compared with ACPA alone. METHODS: A total...
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