Abstract:
:Malignant melanoma is characterized by frequent metastasis, however, specific changes that regulate this process have not been clearly delineated. Although it is well known that Wnt signaling is frequently dysregulated in melanoma, the functional implications of this observation are unclear. By modulating β-catenin levels in a mouse model of melanoma that is based on melanocyte-specific Pten loss and Braf(V600E) mutation, we demonstrate that β-catenin is a central mediator of melanoma metastasis to the lymph nodes and lungs. In addition to altering metastasis, β-catenin levels control tumor differentiation and regulate both MAPK/Erk and PI3K/Akt signaling. Highly metastatic tumors with β-catenin stabilization are very similar to a subset of human melanomas. Together these findings establish Wnt signaling as a metastasis regulator in melanoma.
journal_name
Cancer Celljournal_title
Cancer cellauthors
Damsky WE,Curley DP,Santhanakrishnan M,Rosenbaum LE,Platt JT,Gould Rothberg BE,Taketo MM,Dankort D,Rimm DL,McMahon M,Bosenberg Mdoi
10.1016/j.ccr.2011.10.030subject
Has Abstractpub_date
2011-12-13 00:00:00pages
741-54issue
6eissn
1535-6108issn
1878-3686pii
S1535-6108(11)00405-3journal_volume
20pub_type
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