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1 August 2012
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Mouse Mammary Tumor Virus (MMTV) is primarily associated with mammary carcinoma and lymphomas in mice. The signal peptide of MMTV-Env precursor (MMTV-p14) translocates to nucleoli of infected cells and co-localizes with nucleophosmin. Mutations along the sequence of MMTV-p14 ectopically expressed in MCF-7 breast carcinoma cells affect cellular localization of the protein in vitro (mutations within the nuclear localization signal – NLS) and tumorigenicity in vivo (mutations in putative phosphorylation sites). Immunofluorescence of MMTV-p14 with half of the NLS deleted (green) demonstrates partial localization in the nucleus and the cytoplasm. Nucleophosmin (red) remains in the nucleoli. For details, see article by Feldman and colleagues on page 1077.Close Modal - PDF Icon PDF LinkTable of Contents
ISSN 1541-7786
EISSN 1557-3125
Journal Archive
Molecular Cancer Research (2002-Present; volumes 1-current)
(ISSN 0008-5472) Published monthly since November, 2002.Cell Growth & Differentiation (1990-2002; volumes 1-13)
(ISSN 1044-9523) Published monthly 1990- September, 2002.Table of Contents
Highlights
Review
Angiogenesis, Metastasis, and the Cellular Microenvironment
Cell Cycle, Cell Death, and Senescence
Cancer Genes and Genomics
DNA Damage and Cellular Stress Responses
Signaling and Regulation
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