TNFRSF17 and Miyoshi myopathy: We selected three MM cell lines, KMS-12-BM (BCMAlowCD38low), NCI-H929 (BCMAintCD38int) and MOLP-8 (BCMAlowCD38high) to model the diversity and heterogeneity in expression of BCMA and CD38 on MM cells (Extended Data Fig. 3d–f and ref. 19).