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Whole-tissue biopsy phenotyping of three-dimensional tumours reveals patterns of cancer heterogeneity

17|10|02//Whole-tissue biopsy phenotyping of three-dimensional tumours reveals patterns of cancer heterogeneity

Source: Nature. By: Nobuyuki Tanaka, Shigeaki Kanatani [...] Peter Uhlén. 

Intratumoral heterogeneity is a critical factor when diagnosing and treating patients with cancer. Marked differences in the genetic and epigenetic backgrounds of cancer cells have been revealed by advances in genome sequencing, yet little is known about the phenotypic landscape and the spatial distribution of intratumoral heterogeneity within solid tumours. Here, we show that three-dimensional light-sheet microscopy of cleared solid tumours can identify unique patterns of phenotypic heterogeneity, in the epithelial-to-mesenchymal transition and in angiogenesis, at single-cell resolution in whole formalin-fixed paraffin-embedded (FFPE) biopsy samples.

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