Defined factors induce reprogramming of gastrointestinal cancer cells

Norikatsu Miyoshi, Hideshi Ishii, Ken Ichi Nagai, Hiromitsu Hoshino, Koshi Mimori, Fumiaki Tanaka, Hiroaki Nagano, Mitsugu Sekimoto, Yuichiro Doki, Masaki Mori

Research output: Contribution to journalArticle

192 Citations (Scopus)

Abstract

Although cancer is a disease with genetic and epigenetic origins, the possibleeffectsof reprogrammingbydefinedfactors remaintobefully understood. We studied the effects of the induction or inhibition of cancer-related genes and immature status-related genes whose alterations have been reported in gastrointestinal cancer cells. Retroviralmediated introduction of induced pluripotent stem (iPS) cell geneswas necessary for inducing the expression of immature status-related proteins, including Nanog, Ssea4, Tra-1-60, and Tra-1-80 in esophageal, stomach, colorectal, liver, pancreatic, andcholangiocellular cancer cells. Induced cells, but not parental cells, possessed the potential to express morphologicalpatternsofectoderm,mesoderm,andendoderm,which was supported by epigenetic studies, indicating methylation of DNA strands and the histone H3 protein at lysine 4 in promoter regions of pluripotency-associated genes such as NANOG. In in vitro analysis induced cells showed slow proliferation and were sensitized to differentiation-inducing treatment, and in vivo tumorigenesis was reduced in NOD/SCID mice. This study demonstrated that pluripotency was manifested in induced cells, and that the induced pluripotent cancer (iPC) cells were distinct from natural cancer cells with regard to their sensitivity to differentiation-inducing treatment. Retroviral-mediated introduction of iPC cells confers higher sensitivity to chemotherapeutic agents and differentiation-inducing treatment.

Original languageEnglish
Pages (from-to)40-45
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume107
Issue number1
DOIs
Publication statusPublished - Feb 15 2010

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Gastrointestinal Neoplasms
Epigenomics
Neoplasms
Induced Pluripotent Stem Cells
Inbred NOD Mouse
Inborn Genetic Diseases
SCID Mice
Neoplasm Genes
Mesoderm
DNA Methylation
Pancreatic Neoplasms
Genetic Promoter Regions
Histones
Genes
Lysine
Stomach
Carcinogenesis
Liver

All Science Journal Classification (ASJC) codes

  • General

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Defined factors induce reprogramming of gastrointestinal cancer cells. / Miyoshi, Norikatsu; Ishii, Hideshi; Nagai, Ken Ichi; Hoshino, Hiromitsu; Mimori, Koshi; Tanaka, Fumiaki; Nagano, Hiroaki; Sekimoto, Mitsugu; Doki, Yuichiro; Mori, Masaki.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 107, No. 1, 15.02.2010, p. 40-45.

Research output: Contribution to journalArticle

Miyoshi, Norikatsu ; Ishii, Hideshi ; Nagai, Ken Ichi ; Hoshino, Hiromitsu ; Mimori, Koshi ; Tanaka, Fumiaki ; Nagano, Hiroaki ; Sekimoto, Mitsugu ; Doki, Yuichiro ; Mori, Masaki. / Defined factors induce reprogramming of gastrointestinal cancer cells. In: Proceedings of the National Academy of Sciences of the United States of America. 2010 ; Vol. 107, No. 1. pp. 40-45.
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