Besides, two lncRNAs (long non-coding RNA) (DGCR5 and DGCR9), which have assessed their relationship with Digeorge Syndrome and Velocardiofacial Syndrome (Gao et al., 2015), were found to be located within the 22q11.21 CNV. Here, DGCR5 is linked to 22q11.2 deletion syndrome.