“…Moreover, many fluorescent reporter systems targeting UPR are used for drug screening (Iwawaki et al, 2004;Furukawa and Xiong, 2005;Lajoie et al, 2014;Chaveroux et al, 2015;Fu et al, 2015;Heman-Ackah et al, 2017a;Wu et al, 2018a;Grandjean et al, 2020;Santiago-Lopez et al, 2022b;Bachhav et al, 2022;Santiago-Lopez et al, 2022a;Carrillo et al, 2022;Kroukamp et al, 2022;Navarro-Tapia and Perez-Torrado, 2022). Although some effective compounds from chemical libraries or native products have been screened out, the direct targets and action mechanisms of these compounds are unclear.…”