Methods of treating diabetes with Dll4 antagonists
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United States of America Patent
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Nov 18, 2014
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app pub date -
Jan 28, 2011
filing date -
Jan 29, 2010
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Abstract
The present invention provides methods of preventing, treating or ameliorating diabetes by administering to a subject in need thereof a therapeutically effective amount of Dll4 antagonists that block Dll4-Notch signal pathways. As observed in a mouse model of diabetes, Dll4 antagonists exhibit protective effects on pancreatic islets, lower blood glucose levels, and block the production of auto-antibodies, including those against insulin and glutamic acid decarboxylase 65 (GAD65), via the expansion of regulatory T cells (Tregs). Thus, the present invention further provides methods of lowering the levels of blood glucose, and/or reducing or blocking the production of auto-antibodies, by administering to a subject in need thereof a therapeutically effective amount of Dll4 antagonists. Suitable Dll4 antagonists for the invention include antibodies or antibody fragments that specifically bind Dll4 and block Dll4-Notch interactions, the extracellular domain of Dll4, and the like.
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