The endoplasmic reticulum (ER) is a multifunctional organelle playing a vital role in maintaining cell homeostasis. and disruptions to its functions can have detrimental effects on cells. Dysregulated ER stress and the unfolded protein response (UPR) have been linked to various human diseases. For example. https://www.alarecre.com/American-Flag-Color-Block-iPhone-14-Waterproof-Case-p12619/