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 upregulation of CD4 biosynthetic process positive regulation of CD4 formation