. "\"Any process that stops, prevents, or reduces the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of interleukin-25.\" [GOC:go_curators]" . . "negative regulation of interleukin-25 biosynthetic process" . "down regulation of interleukin-25 biosynthetic process" . "down-regulation of interleukin-25 biosynthetic process" . "downregulation of interleukin-25 biosynthetic process" . "negative regulation of IL-25 biosynthesis" . "negative regulation of IL-25 biosynthetic process" . "negative regulation of interleukin-25 anabolism" . "negative regulation of interleukin-25 biosynthesis" . "negative regulation of interleukin-25 formation" . "negative regulation of interleukin-25 synthesis" . . . "inhibition of interleukin-25 biosynthetic process" .