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. 2019 Nov 6;9:16137. doi: 10.1038/s41598-019-52411-2

Figure 1.

Figure 1

Schematic representation of the location of the probe sets for the multiplex Htt QuantiGene assays. Custom probe sets were designed against Htt mRNA sequence to enable the measurement of all major Htt transcripts. The 9-plex assay contained probe sets to intron 1 sequences before the first cryptic polyA site at 680 bp to detect the Httexon1 transcripts, to the 3′ end of intron 1 and to intron 3 as controls for unprocessed mRNA, and to exons 50–53 for all Htt-FL transcripts. The 10-plex assay included a probe set to sequences between the first and second cryptic polyA sites, between 680 and 1145 bp. The 14-plex assay also included probe sets to each of the three 3′UTRs of the full-length transcript.