In situ tissue engineering using magnetically guided three dimensional cell patterning
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United States of America Patent
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Jun 9, 2015
Grant Date -
Aug 23, 2012
app pub date -
Feb 22, 2012
filing date -
Feb 22, 2011
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Abstract
Methods are provided for the three dimensional manipulation of cells, and for the formation of an organized engineered cell tissue. Also provided are the organized engineered cell tissues produced by the methods. In one method, a plurality of magnetically labeled cells are mixed with a cross-linkable hydrogel to form a cell-hydrogel mixture, the at least a portion of the plurality of magnetically labeled cells are manipulated with a magnetic field to arrange the magnetically labeled cells into a specific cellular arrangement, and the hydrogel is crosslinked to form the organized engineered cell tissue. The approach presented herein offers a means to circumvent the deficiencies in the field of regenerative medicine, and allows for the production of organized tissues in situ with specific cellular organizations that mimic the native tissue.
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