期刊
JOURNAL OF INVESTIGATIVE DERMATOLOGY
卷 132, 期 1, 页码 144-153出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/jid.2011.275
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资金
- University of Zurich
- Swiss National Science Foundation
- Swiss Cancer League
- Promedica Stiftung Chur
- EU [LSHB-CT-2006-037409]
- Bangerter-Rymer Stiftung
- Fondation Gaydoul
- Vontobel Foundation
- Werner Spross Foundation
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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