has part has result has context positive regulation of cellular response to oxidative stress ER stress dependent process endoplasmic reticulum stress [toxic course] antioxidant gene expression [ER stress] positive regulation of cellular response to oxidative stress [ER stress] Any process that activates or increases the frequency, rate or extent of cellular response to oxidative stress. This entity is a specific course-dependent process. This process can constitute the course of ER stress. oxidation-antioxidtion inbalance [ER stress]