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Alanyl-glutamine improves pancreatic β-cell function following ex vivo inflammatory challenge.

J Endocrinol

March 2015

School of Biomedical SciencesDirectorate of NutritionDietetics and Food Technology, School of Public Health, Curtin Health Innovation Research Institute of Ageing and Chronic Disease - Curtin University, GPO Box U1987, Perth, Western Australia, Australia 6845.

Obesity-associated diabetes and concomitant inflammation may compromise pancreatic β-cell integrity and function. l-glutamine and l-alanine are potent insulin secretagogues, with antioxidant and cytoprotective properties. Herein, we studied whether the dipeptide l-alanyl-l-glutamine (Ala-Gln) could exert protective effects via sirtuin 1/HUR (SIRT1/HUR) signalling in β-cells, against detrimental responses following ex vivo stimulation with inflammatory mediators derived from macrophages (IMMs).

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