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Molecular fingerprinting and autocrine growth regulation of endothelial cells in a murine model of hepatocellular carcinoma

Cancer Research, ISSN: 0008-5472, Vol: 66, Issue: 1, Page: 198-211
2006
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Article Description

In a mouse model of hepatocellular carcinogenesis, highly vascularized tumors develop through two distinct morphologic phases of neovascularization. We show that increased vascular caliber occurs first, followed by extensive vessel sprouting in late-stage carcinomas. To define molecular pathways in tumor neovascularization, endothelial cells were directly purified from normal liver and advanced tumors. Gene expression profiling experiments were then designed to identify genes enriched in the vascular compartment. We report that Cathepsin S is the major protease specifically overexpressed during vessel sprouting. We also show that the CC chemokines CCL2 and CCL3 are secreted by neovessels and stimulate proliferation through their cognate receptors in an autocrine fashion. This suggests that chemokine signaling represents the most prominent signaling pathway in tumor-associated endothelial cells and directly regulates vessel remodeling. Furthermore, high angiogenic activity is associated with attenuated lymphocyte extravasation and correlates with expression of the immunomodulatory cytokine interleukin 10. This is the first comprehensive study addressing liver-specific vascular changes in a murine autochthonous tumor model. These novel insights into liver angiogenesis infer an environmental control of neovascularization and have important implications for the design of antiangiogenic therapies. ©2006 American Association for Cancer Research.

Bibliographic Details

http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=31544467539&origin=inward; http://dx.doi.org/10.1158/0008-5472.can-05-1636; http://www.ncbi.nlm.nih.gov/pubmed/16397233; https://aacrjournals.org/cancerres/article/66/1/198/525651/Molecular-Fingerprinting-and-Autocrine-Growth; http://cancerres.aacrjournals.org/lookup/doi/10.1158/0008-5472.CAN-05-1636; https://syndication.highwire.org/content/doi/10.1158/0008-5472.CAN-05-1636; https://dx.doi.org/10.1158/0008-5472.can-05-1636; https://cancerres.aacrjournals.org/content/66/1/198; https://research-repository.uwa.edu.au/en/publications/978c167c-978a-4772-a159-c5d485085ed5; https://research-repository.uwa.edu.au/en/publications/molecular-fingerprinting-and-autocrine-growth-regulation-of-endot; http://research-repository.uwa.edu.au/en/publications/molecular-fingerprinting-and-autocrine-growth-regulation-of-endothelial-cells-in-a-murine-model-of-hepatocellular-carcinoma(978c167c-978a-4772-a159-c5d485085ed5).html; http://cancerres.aacrjournals.org/cgi/doi/10.1158/0008-5472.CAN-05-1636; http://cancerres.aacrjournals.org/content/66/1/198; http://cancerres.aacrjournals.org/content/66/1/198.abstract; http://cancerres.aacrjournals.org/content/66/1/198.full.pdf; https://research-repository.uwa.edu.au/en/publications/molecular-fingerprinting-and-autocrine-growth-regulation-of-endothelial-cells-in-a-murine-model-of-hepatocellular-carcinoma(978c167c-978a-4772-a159-c5d485085ed5).html; https://cancerres.aacrjournals.org/content/66/1/198.abstract; https://cancerres.aacrjournals.org/content/canres/66/1/198.full.pdf

Ryschich, Eduard; Lizdenis, Paulius; Ittrich, Carina; Benner, Axel; Stahl, Simone; Hamann, Alf; Schmidt, Jan; Knolle, Percy; Arnold, Bernd; Hämmerling, Günter J; Ganss, Ruth

American Association for Cancer Research (AACR)

Medicine; Biochemistry, Genetics and Molecular Biology

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