Enriched in head mesodermal cell; intestine; and neurons based on microarray; tiling array; and RNA-seq studies. Is affected by several genes including daf-16; daf-2; and hsf-1 based on microarray and RNA-seq studies. Is affected by fourteen chemicals including bisphenol A; 4-bromodiphenyl ether; and stavudine based on RNA-seq and microarray studies.