Method for production of mesenchymal cell, method for production of tooth, and mesenchymal cell for formation of tooth
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United States of America Patent
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Nov 5, 2013
Grant Date -
May 13, 2010
app pub date -
Jan 18, 2008
filing date -
Jan 22, 2007
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Abstract
The present invention provides a method for producing mesenchymal cells for production of mesenchymal cells for formation of a tooth, the method comprising: culturing totipotent stem cells in the presence of a differentiation inducer to produce a cell population after differentiation induction treatment, the cell population containing CD44-positive and CD29-positive cells or CD44-positive and CD106-positive cells; and selecting, from the cell population after the differentiation induction treatment, the CD44-positive and CD29-positive cells or CD44-positive and CD106-positive cells as the mesenchymal cells for the formation of the tooth. The present invention also provides a method for producing a tooth comprising: positioning, in a support carrier capable of retaining cells in a state of contacting therewith, a first cell mass substantially consisting of only either one of mesenchymal cells and epithelial cells and a second cell mass substantially consisting of only the other one of the mesenchymal cells and epithelial cells, the first and second cell masses being not mixed with each other but made to closely contact with each other; and culturing the first and second cell masses; wherein the mesenchymal cells comprise the mesenchymal cells for the formation of the tooth.
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