期刊
CANCER LETTERS
卷 380, 期 1, 页码 349-355出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.canlet.2015.12.021
关键词
Patient-derived orthotopic xenografts (PDOX); Nude mice; Green fluorescent protein; Red fluorescent protein; Cyan fluorescent protein; Tumor microenvironment
类别
We have developed a multi-color, imageable, orthotopic mouse model for individual patients with pancreatic cancer. The tumors are labeled by first passaging them orthotopically through transgenic nude mice expressing green fluorescent protein (GFP), red fluorescent protein (RFP), or cyan fluorescent protein (CFP). Passage of the tumors in these colored transgenic mice labels the stromal cells of the tumor. The cancer cells in the PDOX are labeled in situ with GFP by telomerase-dependent adenovirus OBP-401. The models are termed imageable patient-derived orthotopic xenografts (iPDOX). The tumors acquired brightly-fluorescent stromal cells from the transgenic host mice, which were stably associated with the tumors through multiple passages. The colored fluorescent protein expressing stromal cells included cancer-associated fibroblasts (CAFs) and tumor-associated macrophages (TAMs). This model enables powerful color-coded imaging of the interaction of cancer and stromal cells during tumor progression and treatment. (C) 2015 Elsevier Ireland Ltd. All rights reserved.
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