NOVEL METHOD FOR LABELLING CANCERIZATION-CAUSING CELL IN STEM CELLS, AND THERAPY METHOD
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United States of America Patent
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Feb 23, 2017
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Jan 14, 2015
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Jan 14, 2014
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Abstract
The invention provides a method to search for a best promoter for reliably targeting a cancerization-causing cell in human ES/iPS cells. Discovering a gene which can kill or remove a cancerization-causing cell contained in human ES/iPS cells with high efficiency is also provided. A method is provided for removing an undifferentiated cell, which remains after the differentiation of human ES/iPS cells into desired cells, with high efficiency and comprehensively. A viral vector is provided which includes a nucleotide sequence and a recombination cassette. The nucleotide sequence contains a target gene and a killing gene that are linked to each other through a sequence that enables the simultaneous expression of the two genes by one promoter. The recombination cassette contains a promoter region which is so linked as to enable the expression of the labeling gene and the killing gene. The viral vector may contain a promoter specific to an undifferentiated cell.
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