When the GSN gene set in the “hsa05040: Huntington's disease” pathway was tested against “GO:0030685∼ nucleolar preribosome”, “hsa00561: Glycerolipid metabolism” against “GO:0010033∼ response to organic substance” or “hsa04614: Renin-angiotensin system VS. Here, REN is linked to juvenile Huntington disease.