Pluto Bioinformatics

GSE139390: Multi-colour lineage tracing reveals intra-stage proliferative heterogeneity during mammary tumour progression

Bulk RNA sequencing

We have assessed clonal heterogeneity within individual primary tumours and metastasis and also during the distinct stages of malignant tumour progression using the Confetti lineage reporter in the background of the MMTV-PyMT mouse model of metastatic breast cancer. Comparative gene expression analysis of the clonal populations reveals a substantial level of heterogeneity across and also within the various stages of breast carcinogenesis. This intra-stage heterogeneity is manifested by differences in cell proliferation, where the fast-proliferating subclass is further enriched in oxidative phosphorylation and cell death. SOURCE: Ravi Kiran Reddy KALATHUR ( - University of Basel

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