Amod SharmaSittiruk RoytrakulSuthathip KittisenachaiNamoiy SemprasertSuwattanee KooptiwutThailand National Center for Genetic Engineering and BiotechnologyFaculty of Medicine, Siriraj Hospital, Mahidol University2020-06-022020-06-022020-01-01Songklanakarin Journal of Science and Technology. Vol.42, No.3 (2020), 477-486012533952-s2.0-85085127789https://repository.li.mahidol.ac.th/handle/20.500.14594/56366© 2020, Prince of Songkla University. All rights reserved. The aim of this study was to gain insight into pancreatic proteome changes induced by dexamethasone treatment. Six-week-old male ICR mice were subcutaneously injected with or without dexamethasone (10 mg/kg body weight; n= 5-6 mice per group) for 4 weeks. Body weight, food intake, and fasting blood glucose were measured at baseline and at the end of 4 weeks. The mice were sacrificed and pancreases were removed, frozen, and stored at-75˚C until analysis. Proteins were extracted, two-dimensional gel electrophoresis was performed and proteome profiles were examined with colloidal coomassie brilliant blue staining. Statistically significant protein spots (ANOVA, p<0.05) with 1.2-fold difference were excised and analyzed by LC-MS/MS. Proteomic data were evaluated using Western blot analysis. High-dose dexamethasone induced hyperglycemia, reduced body weight, reduced food intake, and altered pancreatic proteins in mice. The affected proteins mainly belonged to cell redox homeostasis, metabolism, endoplasmic reticulum stress, translation, and signaling pathways.Mahidol UniversityMultidisciplinaryArticleSCOPUS