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. 2012 Oct 3;7(10):e46807. doi: 10.1371/journal.pone.0046807

Figure 1. Structure of the HPRT minigenes in DIT7 and DIT7-R103 cells.

Figure 1

DIT7 cells carry a CAG95 repeat tract and DIT7-R103 cells, which were derived from DIT7 cells by contraction of the repeat, carry a CAG15 repeat tract. In both cell lines, the CAG tract is centered in the 2.1-kb intron in the single, randomly integrated HPRT minigene. The CAG repeat is about 1.6 kb downstream of the sense promoter and about 2.5 kb upstream of the antisense promoter.