BLIMP1 Induces Transient Metastatic Heterogeneity in Pancreatic Cancer

被引：54

作者：

Chiou, Shin-Heng ^{[1
]}

Risca, Viviana I. ^{[1
]}

Wang, Gordon X. ^{[2
]}

Yang, Dian ^{[1
,3
]}

Gruner, Barbara M. ^{[1
]}

Kathiria, Arwa S. ^{[1
]}

Ma, Rosanna K. ^{[1
]}

Vaka, Dedeepya ^{[1
]}

Chu, Pauline ^{[4
]}

Kozak, Margaret ^{[5
]}

Castellini, Laura ^{[6
]}

Graves, Edward E. ^{[3
,6
]}

Kim, Grace E. ^{[7
]}

Mourrain, Philippe ^{[2
]}

Koong, Albert C. ^{[3
,5
,6
]}

Giaccia, Amato J. ^{[3
,5
,6
]}

Winslow, Monte M. ^{[1
,3
,4
,5
]}

机构：

[1] Stanford Univ, Dept Genet, Sch Med, Stanford, CA 94305 USA

[2] Stanford Univ, Sch Med, Dept Psychiat & Behav Sci, Stanford, CA 94305 USA

[3] Stanford Univ, Sch Med, Canc Biol Program, Stanford, CA 94305 USA

[4] Stanford Univ, Dept Pathol, Sch Med, Stanford, CA 94305 USA

[5] Stanford Univ, Sch Med, Stanford Canc Inst, Stanford, CA 94305 USA

[6] Stanford Univ, Dept Radiat Oncol, Sch Med, Stanford, CA 94305 USA

[7] Univ Calif San Francisco, Dept Pathol, San Francisco, CA 94140 USA

来源：

CANCER DISCOVERY | 2017年 / 7卷 / 10期

关键词：

PLASMA-CELL DIFFERENTIATION; TO-MESENCHYMAL TRANSITION; TUMOR-INITIATING CELLS; LYMPH-NODE METASTASIS; MOBILITY GROUP A2; STEM-CELLS; DUCTAL ADENOCARCINOMA; LUNG-CANCER; PROMOTES METASTASIS; DISTANT METASTASIS;

D O I：

10.1158/2159-8290.CD-17-0250

中图分类号：

R73 [肿瘤学];

学科分类号：

100214 ;

摘要：

Pancreatic ductal adenocarcinoma (PDAC) is one of the most metastatic and deadly cancers. Despite the clinical signifi cance of metastatic spread, our understanding of molecular mechanisms that drive PDAC metastatic ability remains limited. By generating a genetically engineered mouse model of human PDAC, we uncover a transient subpopulation of cancer cells with exceptionally high metastatic ability. Global gene expression profi ling and functional analyses uncovered the transcription factor BLIMP1 as a driver of PDAC metastasis. The highly metastatic PDAC subpopulation is enriched for hypoxia-induced genes, and hypoxia-mediated induction of BLIMP1 contributes to the regulation of a subset of hypoxia-associated gene expression programs. These fi ndings support a model in which upregulation of BLIMP1 links microenvironmental cues to a metastatic stem cell character. SIGNIFICANCE: PDAC is an almost uniformly lethal cancer, largely due to its tendency for metastasis. We defi ne a highly metastatic subpopulation of cancer cells, uncover a key transcriptional regulator of metastatic ability, and defi ne hypoxia as an important factor within the tumor microenvironment that increases metastatic proclivity. (C) 2017 AACR.

引用

页码：1184 / 1199

页数：16

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