Growth Inhibitors Promote Differentiation of Insulin-Producing Tissue from Embryonic Stem Cells

The use of embryonic stem cells for cell-replacement therapy in diseases like diabetes mellitus requires methods to control the development of multipotent cells. We report that treatment of mouse embryonic stem cells with inhibitors of phosphoinositide 3-kinase, an essential intracellular signaling...

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Veröffentlicht in:Proceedings of the National Academy of Sciences - PNAS 2002-12, Vol.99 (25), p.16105-16110
Hauptverfasser: Hori, Yuichi, Rulifson, Ingrid C., Tsai, Bernette C., Heit, Jeremy J., Cahoy, John D., Kim, Seung K.
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container_issue 25
container_start_page 16105
container_title Proceedings of the National Academy of Sciences - PNAS
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creator Hori, Yuichi
Rulifson, Ingrid C.
Tsai, Bernette C.
Heit, Jeremy J.
Cahoy, John D.
Kim, Seung K.
description The use of embryonic stem cells for cell-replacement therapy in diseases like diabetes mellitus requires methods to control the development of multipotent cells. We report that treatment of mouse embryonic stem cells with inhibitors of phosphoinositide 3-kinase, an essential intracellular signaling regulator, produced cells that resembled pancreatic β cells in several ways. These cells aggregated in structures similar, but not identical, to pancreatic islets of Langerhans, produced insulin at levels far greater than previously reported, and displayed glucose-dependent insulin release in vitro. Transplantation of these cell aggregates increased circulating insulin levels, reduced weight loss, improved glycemic control, and completely rescued survival in mice with diabetes mellitus. Graft removal resulted in rapid relapse and death. Graft analysis revealed that transplanted insulin-producing cells remained differentiated, enlarged, and did not form detectable tumors. These results provide evidence that embryonic stem cells can serve as the source of insulin-producing replacement tissue in an experimental model of diabetes mellitus. Strategies for producing cells that can replace islet functions described here can be adapted for similar uses with human cells.
doi_str_mv 10.1073/pnas.252618999
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subjects Androstadienes - pharmacology
Animals
Biological Sciences
Biology
Biomarkers
Cell Aggregation
Cell Differentiation - drug effects
Cell Line - cytology
Cell Line - drug effects
Cell Line - metabolism
Cell Line - transplantation
Cell lines
Diabetes mellitus
Diabetes Mellitus, Experimental - blood
Diabetes Mellitus, Experimental - therapy
Diabetes Mellitus, Type 1 - blood
Diabetes Mellitus, Type 1 - therapy
Embryo, Mammalian - cytology
Embryonic stem cells
Enzyme Inhibitors - pharmacology
Glucagon - biosynthesis
Growth Inhibitors - pharmacology
Homeostasis
Insulin
Insulin - biosynthesis
Insulin - blood
Insulin - metabolism
Insulin Secretion
Islets of Langerhans
Male
Mice
Mice, Inbred NOD
Mice, SCID
Neoplasms, Experimental - etiology
Neurons
Niacinamide - pharmacology
Pancreatic cells
Phosphatidylinositol 3-Kinases - antagonists & inhibitors
Phosphatidylinositol 3-Kinases - physiology
Stem Cell Transplantation - adverse effects
Stem cells
Stem Cells - cytology
Stem Cells - drug effects
Stem Cells - metabolism
Streptozocin
Tissue grafting
Transplantation
Weight Loss
Wortmannin
title Growth Inhibitors Promote Differentiation of Insulin-Producing Tissue from Embryonic Stem Cells
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