Abstract Background The lumen of the endoplasmic reticulum (ER) acts as a cellular Ca2+ store and a site for oxidative protein folding. which is controlled by the reduced glutathione (GSH) and glutathione-disulfide (GSSG) redox pair. Although depletion of luminal Ca2+ from the ER provokes a rapid and reversible shift towards a more reducing poise in the ER. the underlying molecular ba... https://www.markbroyard.com/hot-offer-john-frieda-frizz-ease-air-dry-waves-foam-147ml-supply-best-find/