Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of CD4. [ GOC:go_curators ]
Synonyms: positive regulation of CD4 anabolism positive regulation of CD4 biosynthesis up-regulation of CD4 biosynthetic process up regulation of CD4 biosynthetic process positive regulation of CD4 biosynthetic process positive regulation of CD4 synthesis positive regulation of CD4 formation upregulation of CD4 biosynthetic process