
Keywords: PK-like ER kinase; ANOVA; analysis of variance; ATF-4; activating transcription factor-4; ATF-6; activating transcription factor-6; C/EBP; CCAAT/enhancer-binding protein; CHOP; C/EBP homologous protein; eIf2α; eukaryotic translation initiation factor 2 subunit α; ER; endo