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CXCL14 is an autocrine growth factor for fibroblasts and acts as a multi-modal stimulator of prostate tumor growth
Karolinska Institutet.
Karolinska Institutet.
Lunds universitet.
Karolinska Institutet.
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2009 (English)In: Proceedings of the National Academy of Sciences of the United States of America, ISSN 0027-8424, E-ISSN 1091-6490, Vol. 106, no 9, 3414-3419 p.Article in journal (Refereed) Published
Abstract [en]

This study explored the role of secreted fibroblast-derived factors in prostate cancer growth. Analyses of matched normal and tumor tissue revealed up-regulation of CXCL14 in cancer-associated fibroblasts of a majority of prostate cancer. Fibroblasts over-expressing CXCL14 promoted the growth of prostate cancer xenografts, and increased tumor angiogenesis and macrophage infiltration. Mechanistic studies demonstrated that autocrine CXCL14-stimulation of fibroblasts stimulate migration and ERK-dependent proliferation of fibroblasts. CXCL14-stimulation of monocyte migration was also demonstrated. Furthermore, CXCL14-producing fibroblasts, but not recombinant CXCL14, enhanced in vitro proliferation and migration of prostate cancer cells and in vivo angiogenesis. These studies thus identify CXCL14 as a novel autocrine stimulator of fibroblast growth and migration, with multi-modal tumor-stimulatory activities. In more general terms, our findings suggest autocrine stimulation of fibroblasts as a previously unrecognized mechanism for chemokine-mediated stimulation of tumor growth, and suggest a novel mechanism whereby cancer-associated fibroblasts achieve their pro-tumorigenic phenotype.

Place, publisher, year, edition, pages
National Academy of Sciences , 2009. Vol. 106, no 9, 3414-3419 p.
Keyword [en]
cancer-associated fibroblasts, prostate cancer, tumor stroma
National Category
Cancer and Oncology
URN: urn:nbn:se:umu:diva-82007DOI: 10.1073/pnas.0813144106PubMedID: 19218429OAI: diva2:659310
Available from: 2013-10-25 Created: 2013-10-25 Last updated: 2013-11-08Bibliographically approved

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Hägglöf, Christina
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