H19 and myositis disease: Of these, 16 lncRNAs were differentially expressed in both myositis groups, including H19, metastasis-associated lung adenocarcinoma transcript 1 (MALAT1), plasmacytoma variant translocation 1 (PVT1), and long non-coding myoblast determination protein (lncMyoD), which have been previously characterised and implicated in skeletal muscle regulation [84, 252, 253] (Table 1).