Single-cell lineages reveal the rates, routes, and drivers of metastasis in cancer xenografts.

Single-cell lineages reveal the rates, routes, and drivers of metastasis in cancer xenografts.
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DOI:
10.1126/science.abc1944
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发表时间:
2021-02-26
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Weissman JS
Weissman JS
中科院分区:
其他
文献类型:
--
作者:
Quinn JJ;Jones MG;Okimoto RA;Nanjo S;Chan MM;Yosef N;Bivona TG;Weissman JS

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Detailed phylogenies of tumor populations can recount the history and chronology of critical events during cancer progression, such as metastatic dissemination. We applied a Cas9-based, single-cell lineage tracer to study the rates, routes, and drivers of metastasis in a lung cancer xenograft mouse model. We report deeply resolved phylogenies for tens of thousands of cancer cells traced over months of growth and dissemination. This revealed stark heterogeneity in metastatic capacity, arising from pre-existing and heritable differences in gene expression. We demonstrate that these identified genes can drive invasiveness, and uncovered an unanticipated suppressive role for KRT17. We also show that metastases disseminated via multidirectional tissue routes and complex seeding topologies. Overall, we demonstrate the power of tracing cancer progression at subclonal resolution and vast scale. Single-cell lineage tracing and RNA-seq capture diverse metastatic behaviors and drivers in lung cancer xenografts in mice.
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