Lnc-ORA is a regulator of skeletal muscle development.A, copy number of lnc-ORA in the TA of 8-week-old and 52-week-old mice (n = 5). B, copy number of lnc-ORA in the GAS of 8-week-old and 52-week-old mice (n = 5). C, copy number of lnc-ORA in the EDL of 8-week-old and 52-week-old mice (n = 5). D, copy number of lnc-ORA during myoblast proliferation (n = 5). E, copy number of lnc-ORA during myoblast differentiation (n = 5). F, half-life of lnc-ORA in myoblasts (n = 5). G, GO term analysis of the lnc-ORA. H, KEGG enrichment analysis of lnc-ORA. Data represent the mean ± SD. ∗p < 0.05; ∗∗p < 0.01. EDL, extensor digitorum longus; GAS, gastrocnemius; GO, Gene Ontology; lnc, long noncoding; lnc-ORA, obesity-related lncRNA; KEGG, Kyoto Encyclopedia of Genes and Genomes; TA, tibialis anterior.