期刊
ACS CHEMICAL BIOLOGY
卷 5, 期 8, 页码 729-734出版社
AMER CHEMICAL SOC
DOI: 10.1021/cb100129d
关键词
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资金
- National Institute of Diabetes and Digestive and Kidney Diseases
- Juvenile Diabetes Research Foundation
- National Institutes of Health
- Molecular Libraries Probe Production Centers Network [HG-005032]
- National Cancer Institute [N01-CO-12400]
- HTK
Pancreatic beta-cell apoptosis is a critical event during the development of type-1 diabetes. The identification of small molecules capable of preventing cytokine-induced apoptosis could lead to avenues for therapeutic intervention. We developed a set of phenotypic cell-based assays designed to identify such small-molecule suppressors. Rat INS-1E cells were simultaneously treated with a cocktail of inflammatory cytokines and a collection of 2,240 diverse small molecules and screened using an assay for cellular ATP levels. Forty-nine top-scoring compounds included glucocorticoids, several pyrazole derivatives, and known inhibitors of glycogen synthase kinase-3 beta. Two compounds were able to increase cellular ATP levels, reduce caspase-3 activity and nitrite production, and increase glucose-stimulated insulin secretion in the presence of cytokines. These results indicate that small molecules identified by this screening approach may protect V. cells from autoimmune attack and may be good candidates for therapeutic intervention in early stages of type-1 diabetes.
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