PTGS2 and AL amyloidosis: Among the 96 genes, we found 16 common genes in both datasets (BCL2, BCL2L1, C3, CCR4, CD28, CD68, CD8A, CSF1, HMOX1, IL18, IL1A, IL1B, PTGS2, PTPRC, SELP, STAT3) that were significantly altered between AL amyloidosis and MM patients (p < 0.05; Figure 2C,D).