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      1. Author :
        Leong, H. S.; Lizardo, M. M.; Ablack, A.; McPherson, V. A.; Wandless, T. J.; Chambers, A. F.; Lewis, J. D.
      2. Title :
      3. Type :
        Journal Article
      4. Year :
        2012
      5. Publication :
        PLoS One
      6. Products :
      7. Volume :
        7
      8. Issue :
        N/A
      9. Page Numbers :
        N/A
      10. Research Area :
        N/A
      11. Keywords :
        MDA-MB-231-luc-D3H2Ln, D3H2Ln, IVIS, Breast cancer, Bioware, Animals; Birds/embryology; Breast Neoplasms/*metabolism; Cadherins/*metabolism; Cell Line, Tumor; Diagnostic Imaging; Epithelial-Mesenchymal Transition/drug effects; Female; Humans; Microscopy, Confocal; Microscopy, Fluorescence; Morpholines/pharmacokinetics/pharmacology; Transplantation, Heterologous; Vimentin/metabolism
      12. Abstract :
        The analysis of dynamic events in the tumor microenvironment during cancer progression is limited by the complexity of current in vivo imaging models. This is coupled with an inability to rapidly modulate and visualize protein activity in real time and to understand the consequence of these perturbations in vivo. We developed an intravital imaging approach that allows the rapid induction and subsequent depletion of target protein levels within human cancer xenografts while assessing the impact on cell behavior and morphology in real time. A conditionally stabilized fluorescent E-cadherin chimera was expressed in metastatic breast cancer cells, and the impact of E-cadherin induction and depletion was visualized using real-time confocal microscopy in a xenograft avian embryo model. We demonstrate the assessment of protein localization, cell morphology and migration in cells undergoing epithelial-mesenchymal and mesenchymal-epithelial transitions in breast tumors. This technique allows for precise control over protein activity in vivo while permitting the temporal analysis of dynamic biophysical parameters.
      13. URL :
        http://www.ncbi.nlm.nih.gov/pubmed/22276156
      14. Call Number :
        PKI @ kd.modi @ 1
      15. Serial :
        10508
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