For example, linc00460 has been identified to be upregulated in osteosarcoma (OS), which functions as a sponge of miR‐1224‐5p to promote OS progression by upregulating FADS1 expression.[123]LINC01569 has been identified to enrich in hypopharyngeal carcinoma associated macrophages to promote its M2 polarization via releasing miR‐193a‐5p‐mediated repression of FADS1 expression. The gene discussed is FADS1; the disease is osteosarcoma.