RABGAP1L was involved in various human diseases, such as AF4-RABGAP1L, and RABGSP1L-MLL fusion transcripts were identified in t(4;11) leukemia patients [79], and methylation level was different in 18 babies born with congenital ZIKV microcephaly from 20 controls [80]. The gene discussed is AFF1; the disease is microcephaly.