Tumor heterogeneity: does it matter?

<br/><strong>Introduction: </strong>It has long been recognized that tumors are composed of a mosaic of cells and numerous methods have been developed to detect tumor heterogeneity, including in situ hybridization, multi-regional sampling, cytological assays, and whole genome and s...

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Main Authors: Turnquist, C, Watson, R, Protheroe, A, Verrill, C, Sivakumar, S
Format: Journal article
Language:English
Published: Taylor and Francis 2019
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author Turnquist, C
Watson, R
Protheroe, A
Verrill, C
Sivakumar, S
author_facet Turnquist, C
Watson, R
Protheroe, A
Verrill, C
Sivakumar, S
author_sort Turnquist, C
collection OXFORD
description <br/><strong>Introduction: </strong>It has long been recognized that tumors are composed of a mosaic of cells and numerous methods have been developed to detect tumor heterogeneity, including in situ hybridization, multi-regional sampling, cytological assays, and whole genome and single cell sequencing. Using these methods, heterogeneity has been observed at the genetic, epigenetic, and phenotypic level in numerous cancers. With the advent of deep sequencing technology, we now appreciate a greater complexity of distinct genotypes and phenotypes that drive the biological behavior of cancer. Despite decades of progress in detecting tumor heterogeneity, the question remains: to what extent does it matter?<br/><strong>Areas covered: </strong>This review explores the evidence for and against the importance of tumor heterogeneity in three main areas: prognostication, development of targeted therapeutics and tumor resistance; summarizing current understanding before evaluating ongoing experimental and clinical developments.<br/><strong>Expert opinion: </strong>Theoretical understanding and in vitro detection of intratumour heterogeneity promises much but is yet to translate into meaningful clinical benefit. However, the recent emergence of a host of technological innovations and upcoming clinical trials may soon change the landscape of this field.
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spelling oxford-uuid:09b35e48-9443-41eb-8151-7c500fa471fb2022-03-26T09:19:52ZTumor heterogeneity: does it matter?Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:09b35e48-9443-41eb-8151-7c500fa471fbEnglishSymplectic Elements at OxfordTaylor and Francis2019Turnquist, CWatson, RProtheroe, AVerrill, CSivakumar, S<br/><strong>Introduction: </strong>It has long been recognized that tumors are composed of a mosaic of cells and numerous methods have been developed to detect tumor heterogeneity, including in situ hybridization, multi-regional sampling, cytological assays, and whole genome and single cell sequencing. Using these methods, heterogeneity has been observed at the genetic, epigenetic, and phenotypic level in numerous cancers. With the advent of deep sequencing technology, we now appreciate a greater complexity of distinct genotypes and phenotypes that drive the biological behavior of cancer. Despite decades of progress in detecting tumor heterogeneity, the question remains: to what extent does it matter?<br/><strong>Areas covered: </strong>This review explores the evidence for and against the importance of tumor heterogeneity in three main areas: prognostication, development of targeted therapeutics and tumor resistance; summarizing current understanding before evaluating ongoing experimental and clinical developments.<br/><strong>Expert opinion: </strong>Theoretical understanding and in vitro detection of intratumour heterogeneity promises much but is yet to translate into meaningful clinical benefit. However, the recent emergence of a host of technological innovations and upcoming clinical trials may soon change the landscape of this field.
spellingShingle Turnquist, C
Watson, R
Protheroe, A
Verrill, C
Sivakumar, S
Tumor heterogeneity: does it matter?
title Tumor heterogeneity: does it matter?
title_full Tumor heterogeneity: does it matter?
title_fullStr Tumor heterogeneity: does it matter?
title_full_unstemmed Tumor heterogeneity: does it matter?
title_short Tumor heterogeneity: does it matter?
title_sort tumor heterogeneity does it matter
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