Any process that activates or increases the frequency, rate or extent of intracellular mRNA localization.
Synonyms:
exact_synonym:
positive regulation of establishment and maintenance of intracellular RNA localization; positive regulation of intracellular mRNA localisation; up regulation of establishment and maintenance of intracellular RNA localization; up regulation of intracellular mRNA localisation; up regulation of intracellular mRNA localization; upregulation of establishment and maintenance of intracellular RNA localization; upregulation of intracellular mRNA localisation; upregulation of intracellular mRNA localization
narrow_synonym:
activation of establishment and maintenance of intracellular RNA localization; activation of intracellular mRNA localisation; activation of intracellular mRNA localization; activation of intracellular mRNA positioning; positive regulation of intracellular mRNA positioning; up regulation of intracellular mRNA positioning; upregulation of intracellular mRNA positioning