Tracing the tumor lineage.
Tracing the tumor lineage.
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DOI:
10.1016/j.molonc.2010.04.010
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发表时间:
2010-06
影响因子:
6.6
通讯作者:
Hicks J
中科院分区:
文献类型:
--
作者:
Navin NE;Hicks J
Defining the pathways through which tumors progress is critical to our understanding and treatment of cancer. We do not routinely sample patients at multiple time points during the progression of their disease, and thus our research is limited to inferring progression a posteriori from the examination of a single tumor sample. Despite this limitation, inferring progression is possible because the tumor genome contains a natural history of the mutations that occur during the formation of the tumor mass. There are two approaches to reconstructing a lineage of progression: (1) inter-tumor comparisons, and (2) intra-tumor comparisons. The inter-tumor approach consists of taking single samples from large collections of tumors and comparing the complexity of the genomes to identify early and late mutations. The intra-tumor approach involves taking multiple samples from individual heterogeneous tumors to compare divergent clones and reconstruct a phylogenetic lineage. Here we discuss how these approaches can be used to interpret the current models for tumor progression. We also compare data from primary and metastatic copy number profiles to shed light on the final steps of breast cancer progression. Finally, we discuss how recent technical advances in single cell genomics will herald a new era in understanding the fundamental basis of tumor heterogeneity and progression.
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DOI:
10.1073/pnas.0607057103
发表时间:
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影响因子:
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作者:
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通讯作者:
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DOI:
10.1073/pnas.0801523105
发表时间:
2008-09-02
影响因子:
11.1
作者:
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通讯作者:
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