Methods, compositions, and growth and differentiation factors for insulin-producing cells
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United States of America Patent
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Mar 15, 2004
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May 28, 2002
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Abandoned
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Abstract
A method of converting differentiated non-hormone producing pancreatic cells into differentiated hormone producing cells is disclosed. The method comprises two steps: first, culturing cells under conditions which convert differentiated non-hormone producing cells into stem cells; and second, culturing stem cells under conditions which provide for differentiating stem cells into hormone-producing cells. The invention defines growth and differentiation factors that are presented to the stem cells to result in their differentiation into hormone-producing cells, especially insulin-producing cells. The invention provides a new source of large quantities of hormone producing cells such as insulin-producing cells that are riot currently available for therapeutic uses such as the treatment of diabetes.
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