However, none of the three neighboring genes (Hsd17b3, Slc35d2, Zfp367) within 100 kb of BAC/APOL1-G1 insertion site (mm39, chr13: 64,197,419) were plausibly related to hydrocephalus (Supplementary Figure S7A). This evidence concerns the gene HSD17B3 and Hydrocephalus.