library_construction_protocol: Synovial tissue samples were processed for FFPE and constructed into a tissue microarray, so that all samples could be analyzed on a single slide. The slide was sent to NanoString for library construction and https://nanostring.com/products/geomx-digital-spatial-profiler/geomx-dsp-overview/ https://nanostring.com/products/geomx-digital-spatial-profiler/geomx-dsp-overview/