alexa Imaging of bioluminescent LNCaP-luc-M6 tumors: a new animal model for the study of metastatic human prostate cancer.
Molecular Biology

Molecular Biology

Journal of Cytology & Histology

Author(s): Scatena CD, Hepner MA, Oei YA, Dusich JM, Yu SF,

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Abstract BACKGROUND: Animal experiments examining hormone-sensitive metastatic prostate cancer using the human LNCaP cell line have been limited to endpoint analyses. To permit longitudinal studies, we generated a luciferase-expressing cell line and used bioluminescent imaging (BLI) to non-invasively monitor the in vivo growth of primary LNCaP tumors and metastasis. METHODS: LNCaP.FGC cells were transfected to constitutively express firefly luciferase. LNCaP-luc-M6 cells were tested for bioluminescent signal intensity and hormone responsiveness in vitro. The cells were implanted in subcutaneous and orthotopic sites in SCID-bg mice and imaged over time. RESULTS: The LNCaP-luc-M6 cells formed subcutaneous and orthotopic tumors in SCID-bg mice, and nearly all tumor-bearing animals developed pulmonary metastases. Early detection and temporal growth of primary tumors and metastatic lesions was successfully monitored by BLI. CONCLUSIONS: The LNCaP-luc-M6 cell line is a bioluminescent, hormone-sensitive prostate cancer cell line applicable for BLI studies to non-invasively monitor subcutaneous and orthotopic prostate tumor growth and metastasis in vivo. Copyright 2004 Wiley-Liss, Inc. This article was published in Prostate and referenced in Journal of Cytology & Histology

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