Analysis of alterations in gene expression after amplification of recombinant genes in CHO cells.


Dihydrofolate reductase (DHFR) based amplification of recombinant genes using increasing concentrations of methotrexate (MTX) is a common method to establish CHO cell lines producing high amounts of the desired protein. Once, cell lines with highly amplified target genes and good expression rates are isolated, further characterization of their… (More)


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