Abstract
A fundamental hallmark of cancer is progression to metastasis and the growth of breast cancer metastases in lung, bone, liver and/or brain causes fatal complications. Unfortunately, the cellular and biochemical mechanisms of the metastatic process remain ill-defined. Recent application of intravital multiphoton microscopy (MP-IVM) to image fluorescently labeled cells in mouse models of cancer has allowed dynamic observation of this multi-step process at the cellular and subcellular levels. In this article, we discuss the use of MP-IVM in studies of breast cancer metastasis, as well as surgical techniques for exposing tumors prior to imaging. We also describe a versatile multiphoton microscope for imaging tumor-stroma interactions.
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Abbreviations
- MP-IVM:
-
Multiphoton intravital microscopy
- MPM:
-
Multiphoton microscopy
- SHG:
-
Second harmonic generation
- PMT:
-
Photomultiplier tube
- FLIM:
-
Fluorescence-lifetime imaging microscopy
- FRET:
-
Fluorescence resonance energy transfer
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Acknowledgments
We thank J. Rietdorf and S. Bundschuh (FMI) for helping us set up the MPM and R. Friedrich (FMI) and J. Stein (Theodor Kocher Institute, Bern) for helpful discussions. We thank A. de Graaff and the Hubrecht Imaging Center for their support. Research in the lab of JvR is supported by VIDI fellowships (91710330), equipment grants (175.010.2007.00) and (834.11.002) from the Dutch Organization of Scientific Research (NWO), and a grant from the Dutch Cancer Society (KWF: HUBR 2009–4621). Research in the lab of M.B-A. is supported by the Novartis Research Foundation, the European Research Council (ERC starting grant 243211-PTPsBDC), the Swiss Cancer League, and the Krebsliga Beider Basel.
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Bonapace, L., Wyckoff, J., Oertner, T. et al. If You Don’t Look, You Won’t See: Intravital Multiphoton Imaging of Primary and Metastatic Breast Cancer. J Mammary Gland Biol Neoplasia 17, 125–129 (2012). https://doi.org/10.1007/s10911-012-9250-8
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DOI: https://doi.org/10.1007/s10911-012-9250-8