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Updated: Nov 25, 2025

Using Human Induced Pluripotent Stem Cells for the Generation of Tumor Antigen-specific T Cells
Published on: October 24, 2019
Cancer-Related Mutations Are Not Enriched in Naive Human Pluripotent Stem Cells
Giuliano Giuseppe Stirparo1, Austin Smith2, Ge Guo1
1Wellcome-MRC Cambridge Stem Cell Institute, Jeffrey Cheah Biomedical Centre, University of Cambridge, Cambridge, CB2 0AW, UK; Living Systems Institute, University of Exeter, Exeter, EX4 4QD, UK.
Abstract:
Previous analysis of RNA sequencing (RNA-seq) data from human naive pluripotent stem cells reported multiple point "mutations" in cancer-related genes and implicated selective culture conditions. We observed, however, that those mutations were only present in co-cultures with mouse feeder cells. Inspection of reads containing the polymorphisms revealed complete identity to the mouse reference genome. After we filtered reads to remove sequences of mouse origin, the actual incidence of oncogenic polymorphisms arising in naive pluripotent stem cells is close to zero.
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