in taxon positively regulates positively regulates positive regulation of epithelial cell differentiation positive regulation of multicellular organismal process biological regulation lens fiber cell differentiation regulation of lens fiber cell differentiation positive regulation of lens fiber cell differentiation mr upregulation of lens fibre cell differentiation up regulation of lens fiber cell differentiation positive regulation of lens fibre cell differentiation activation of lens fiber cell differentiation 2014-03-03T23:20:12Z upregulation of lens fiber cell differentiation activation of lens fibre cell differentiation up-regulation of lens fiber cell differentiation up-regulation of lens fibre cell differentiation Any process that activates or increases the frequency, rate or extent of lens fiber cell differentiation. up regulation of lens fibre cell differentiation GO:1902748 Vertebrata <vertebrates>