A#1692 Single cell RNA-seq identifies double-negative-2 (DN2) B-cell population ass w progressive SSc-ILD IgD- CD27- cluster is highest risk CD21 low B cells are distinct subset associated with sclerosis, pHTN DN2 B cells as potential biomarkers for SSc-ILD @RheumNow #ACR24 https://t.co/IbnOGS8C3t