Genome-wide targeted amplicon amplification was performed using the Ion AmpliSeq™ Transcriptome Human Gene Expression Kit (Thermo-Fisher, Ottawa, ON, Canada). Total RNA (100 ng) was used to prepare the libraries as per manufacturer’s protocol and described elsewhere [36 (link)]. Prepared libraries were quantified using the Ion Library TaqMan Quantitation kit (Thermo-Fisher, Ottawa, ON, Canada) and then the RNA concentration was adjusted to 100 pM. An Ion Chef instrument (Thermo-Fisher, Ottawa, ON, Canada) was used for loading of Ion 540 chips (Thermo-Fisher, Ottawa, ON, Canada) after which sequencing was performed on an Ion S5 sequencer (Thermo-Fisher, Ottawa, ON, Canada).
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