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Stromal Microenvironment Shapes the Intratumoral Architecture of Pancreatic Cancer

Matteo Ligorio, Srinjoy Sil, Jose Malagon-Lopez, Linda T. Nieman, Sandra Misale, Mauro Di Pilato, Richard Y. Ebright, Murat N. Karabacak, Anupriya S. Kulkarni, Ann Liu, Nicole Vincent Jordan, Joseph W. Franses, Julia Philipp, Johannes Kreuzer, Niyati Desai, Kshitij S. Arora, Mihir Rajurkar, Elad Horwitz, Azfar Neyaz, Eric TaiNeelima K.C. Magnus, Kevin D. Vo, Chittampalli N. Yashaswini, Francesco Marangoni, Myriam Boukhali, Jackson P. Fatherree, Leah J. Damon, Kristina Xega, Rushil Desai, Melissa Choz, Francesca Bersani, Adam Langenbucher, Vishal Thapar, Robert Morris, Ulrich F. Wellner, Oliver Schilling, Michael S. Lawrence, Andrew S. Liss, Miguel N. Rivera, Vikram Deshpande, Cyril H. Benes, Shyamala Maheswaran, Daniel A. Haber, Carlos Fernandez-Del-Castillo, Cristina R. Ferrone, Wilhelm Haas, Martin J. Aryee*, David T. Ting

*Corresponding author for this work

Abstract

Single-cell technologies have described heterogeneity across tissues, but the spatial distribution and forces that drive single-cell phenotypes have not been well defined. Combining single-cell RNA and protein analytics in studying the role of stromal cancer-associated fibroblasts (CAFs) in modulating heterogeneity in pancreatic cancer (pancreatic ductal adenocarcinoma [PDAC]) model systems, we have identified significant single-cell population shifts toward invasive epithelial-to-mesenchymal transition (EMT) and proliferative (PRO) phenotypes linked with mitogen-activated protein kinase (MAPK) and signal transducer and activator of transcription 3 (STAT3) signaling. Using high-content digital imaging of RNA in situ hybridization in 195 PDAC tumors, we quantified these EMT and PRO subpopulations in 319,626 individual cancer cells that can be classified within the context of distinct tumor gland “units.” Tumor gland typing provided an additional layer of intratumoral heterogeneity that was associated with differences in stromal abundance and clinical outcomes. This demonstrates the impact of the stroma in shaping tumor architecture by altering inherent patterns of tumor glands in human PDAC. Clinical outcomes for pancreatic cancer are impacted by intra-tumoral tissue architecture as defined by single-cell analyses and high content digital imaging.

Original languageEnglish
JournalCell
Volume178
Issue number1
Pages (from-to)160-175.e27
Number of pages15
ISSN0092-8674
DOIs
Publication statusPublished - 27.06.2019

Funding

We are grateful to Laura Libby, Emily M. Silva, and Danielle Bestoso for mouse colony care and administrative support. This work was supported by American-Italian Cancer Foundation Post-Doctoral Research Fellowship (to M.L.), Hirshberg Foundation seed grant (M.L), Tosteson and Fund for Medical Discovery Fellowship (to M.L.), the Burroughs Wellcome Fund (to D.T.T. and M.N.R.), the NSF ( PHY-1549535 to D.T.T.), SU2C and Lustgarten Foundation (to D.T.T.), the V Foundation (to M.R.), Affymetrix, Inc. (to D.T.T., K.S.A., N.D., M.N.R., and V.D.), NIH ( T32GM007753 to R.Y.E.; U01 CA215798 to W.H.; 2R01CA129933 and 2U01EB012493 to D.A.H.; U01CA214297 to D.A.H. and S.M.), the Warshaw Institute for Pancreatic Cancer Research (to D.T.T. and M.L.), the Verville Family Pancreatic Cancer Research Fund (to D.T.T.), ESSCO Breast Cancer Research (to S.M.), the Breast Cancer Research Foundation (to D.A.H.), Howard Hughes Medical Institute (to D.A.H.), the National Foundation for Cancer Research (to D.A.H.), and NCI ( U01CA215798 to W.H.).

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Research Areas and Centers

  • Research Area: Luebeck Integrated Oncology Network (LION)

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