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Spatially resolved clonal copy number alterations in benign and malignant tissue
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Spatially resolved clonal copy number alterations in benign and malignant tissue
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Journal Article
Spatially resolved clonal copy number alterations in benign and malignant tissue
2022
Overview
Defining the transition from benign to malignant tissue is fundamental to improving early diagnosis of cancer
1
. Here we use a systematic approach to study spatial genome integrity in situ and describe previously unidentified clonal relationships. We used spatially resolved transcriptomics
2
to infer spatial copy number variations in >120,000 regions across multiple organs, in benign and malignant tissues. We demonstrate that genome-wide copy number variation reveals distinct clonal patterns within tumours and in nearby benign tissue using an organ-wide approach focused on the prostate. Our results suggest a model for how genomic instability arises in histologically benign tissue that may represent early events in cancer evolution. We highlight the power of capturing the molecular and spatial continuums in a tissue context and challenge the rationale for treatment paradigms, including focal therapy.
Copy number variations inferred from spatial transcriptomics data in benign and malignant tissue reveal clonal architecture at the organ-wide level.
Publisher
Nature Publishing Group UK,Nature Publishing Group
Subject
/ 14
/ 38
/ 38/39
/ 38/91
/ 45
/ Benign
/ Cloning
/ DNA Copy Number Variations - genetics
/ Genomes
/ Genomic Instability - genetics
/ Genomics
/ Humanities and Social Sciences
/ Humans
/ Male
/ Mutation
/ Prostate
/ Prostatic Neoplasms - genetics
/ Prostatic Neoplasms - pathology
/ Science
/ Tissues
/ Tumors
