For miRNA-AR interaction, the following terms were searched: “MicroRNA”[MeSH Terms] AND (“receptors, androgen”[MeSH Terms] OR (“receptors”[All Fields] AND “androgen”[All Fields]) OR “androgen receptors”[All Fields] OR (“androgen”[All Fields] AND “receptors”[All Fields])) AND (“breast neoplasms”[MeSH Terms]. Here, AR is linked to breast neoplasm.