#ACR25 Abstr#0773 Anti-MDA5 ab is assoc. with progressive DM-ILD. But MDA5 expression is also upregulated in IPF. Any new biomarker which can link these ILD? Measuring reactivity to MDA5 (aa 201-300) epitope peptide may help identify poor ILD prognostics (with/out DM) @RheumNow https://t.co/rziwihKfIr