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Transcriptomics analysis of biopsy and resected material from HCC and matched non-tumor

We hypothesize that pre-analytical handling such as surgery procedure and cold ischemia have significant effects on omics data derived from liver and liver tumor tissue that may confound classification of tumor subtypes of hepatocellular carcinoma. This study is aimed at revealing such effects by comparing resection samples with patient matched biopsy samples in a multi-omics analysis.

Type: Transcriptome Analysis
Archive: European Genome-phenome Archive (EGA)

1 Dataset

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Dataset ID	Description	Technology	Samples
EGAD50000002291	A total of 16 patients with primary liver cancer, who first underwent diagnostic biopsy and then surgical resection shortly afterwards (median 27 days) were included. Tumor and non-tumor biopsy and resection tissue were analyzed by RNA sequencing. Total RNA from frozen tumor- and non-tumor tissue from biopsy and resection specimens was extracted using the ZR-Duet DNA and RNA MiniPrep Plus kit (Zymo Research) according to the manufacturer’s instructions. Prior to extraction, frozen tissues were crushed in liquid nitrogen to facilitate lysis. Extracted RNA was quantified using the Qubit Fluorometer (Thermo Fisher Scientific). 200 ng total RNA was used for RNAseq library prep with the TruSeq Stranded Total RNA Library Prep Kit with Ribo-Zero Gold (Illumina) according to the manufacturer’s specifications. Paired-End sequencing was performed on a Novaseq 6000 (Illumina) with 51 cycles at the Genomics Facility Basel according to the manufacturer’s guidelines.	Illumina NovaSeq 6000	60