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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-55124

Kiowski, G; Biedermann, T; Widmer, D S; Civenni, G; Burger, C; Dummer, R; Sommer, L; Reichmann, E (2011). Engineering melanoma progression in a humanized environment in vivo. Journal of Investigative Dermatology, 132(1):144-153.

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Abstract

To overcome the lack of effective therapeutics for aggressive melanoma, new research models closely resembling the human disease are required. Here we report the development of a fully orthotopic, humanized in vivo model for melanoma, faithfully recapitulating human disease initiation and progression. To this end, human melanoma cells were seeded into engineered human dermo-epidermal skin substitutes. Transplantation onto the back of immunocompromised rats consistently resulted in the development of melanoma, displaying the hallmarks of their parental tumors. Importantly, all initial steps of disease progression were recapitulated, including the incorporation of the tumor cells into their physiological microenvironment, transition of radial to vertical growth, and establishment of highly vascularized, aggressive tumors with dermal involvement. Because all cellular components can be individually accessed using this approach, it allows manipulation of the tumor cells, as well as of the keratinocyte and stromal cell populations. Therefore, in one defined model system, tumor cell-autonomous and non-autonomous pathways regulating human disease progression can be investigated in a humanized, clinically relevant context.

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8 citations in Web of Science®
9 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Institute of Anatomy
04 Faculty of Medicine > University Children's Hospital Zurich > Clinic for Surgery
04 Faculty of Medicine > University Hospital Zurich > Dermatology Clinic
DDC:570 Life sciences; biology
610 Medicine & health
Language:English
Date:1 September 2011
Deposited On:12 Jan 2012 10:11
Last Modified:02 Dec 2013 20:54
Publisher:Nature Publishing Group
ISSN:0022-202X
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:10.1038/jid.2011.275
PubMed ID:21881586

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