Estimating the population abundance of tissue-infiltrating immune and stromal cell populations using gene expression.

Estimating the population abundance of tissue-infiltrating immune and stromal cell populations using gene expression.
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DOI:
10.1186/s13059-016-1070-5
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发表时间:
2016-10-20
期刊:
影响因子:
12.3
通讯作者:
de Reyniès A
de Reyniès A
中科院分区:
生物学1区
文献类型:
--
作者:
Becht E;Giraldo NA;Lacroix L;Buttard B;Elarouci N;Petitprez F;Selves J;Laurent-Puig P;Sautès-Fridman C;Fridman WH;de Reyniès A

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We introduce the Microenvironment Cell Populations-counter (MCP-counter) method, which allows the robust quantification of the absolute abundance of eight immune and two stromal cell populations in heterogeneous tissues from transcriptomic data. We present in vitro mRNA mixture and ex vivo immunohistochemical data that quantitatively support the validity of our method’s estimates. Additionally, we demonstrate that MCP-counter overcomes several limitations or weaknesses of previously proposed computational approaches. MCP-counter is applied to draw a global picture of immune infiltrates across human healthy tissues and non-hematopoietic human tumors and recapitulates microenvironment-based patient stratifications associated with overall survival in lung adenocarcinoma and colorectal and breast cancer. The online version of this article (doi:10.1186/s13059-016-1070-5) contains supplementary material, which is available to authorized users.
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