Establishment of a new human pancreatic cancer cell line, NOR-P1, with high angiogenic activity and metastatic potential

Norihiro Sato, Kazuhiro Mizumoto, Kiichiro Beppu, Naoki Maehara, Masahiro Kusumoto, Toshinaga Nabae, Takashi Morisaki, Mitsuo Katano, Masao Tanaka

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28 Citations (Scopus)


We present here a new cell line, NOR-P1, established from a metastatic subcutaneous tumor of a patient with pancreatic cancer. The cells show rapid growth in culture with a doubling time of 16 h and high migration activity. Genetic and molecular analyses revealed high telomerase activity and a mutation in the K-ras oncogene. Of particular interest, the cells express markedly elevated mRNA levels of angiogenic factors, vascular endothelial growth factor and platelet-derived growth factor, as well as other tumor growth-related factors. Subcutaneous transplantation of the NOR-P1 cells into nude mice formed solid, hemorrhagic tumors which were histologically diagnosed as adenocarcinoma with dense blood vessels and severe extravasation of blood. Furthermore, when NOR-P1 cell suspension was injected directly into the pancreas of nude mice, the cells grew rapidly to form intra-pancreatic tumors associated with liver metastases and peritoneal dissemination that resulted in cachexia and subsequent death. These properties suggest that NOR-P1 is an aggressive pancreatic cancer cell line with a high metastatic potential and may serve as a useful experimental model for studying tumor angiogenesis and metastasis of pancreatic cancer. Copyright (C) 2000 Elsevier Science Ireland Ltd.

Original languageEnglish
Pages (from-to)153-161
Number of pages9
JournalCancer Letters
Issue number2
Publication statusPublished - Jul 31 2000
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Oncology
  • Cancer Research


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