Volume 124, Issue 11 pp. 2528-2538
Cancer Cell Biology

Endometrial cancer invasion depends on cancer-derived tumor necrosis factor-α and stromal derived hepatocyte growth factor

Dong Soon Choi

Dong Soon Choi

Department of Thoracic/Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX

Deparment of Molecular Science and Technology, Ajou University, Suwon, South Korea

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Hyun-Jin Kim

Hyun-Jin Kim

Department of Obstetrics and Gynecology, Ajou University School of Medicine, Suwon, South Korea

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Jong-Hyuck Yoon

Jong-Hyuck Yoon

Department of Obstetrics and Gynecology, Ajou University School of Medicine, Suwon, South Korea

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Seung-Chul Yoo

Seung-Chul Yoo

Department of Obstetrics and Gynecology, Ajou University School of Medicine, Suwon, South Korea

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Hantae Jo

Hantae Jo

Deparment of Molecular Science and Technology, Ajou University, Suwon, South Korea

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So Yeon Lee

So Yeon Lee

Department of Biological Sciences, Ajou University, Suwon, South Korea

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Churl K. Min

Churl K. Min

Department of Biological Sciences, Ajou University, Suwon, South Korea

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Hee-Sug Ryu

Corresponding Author

Hee-Sug Ryu

Department of Obstetrics and Gynecology, Ajou University School of Medicine, Suwon, South Korea

Fax: +82-31-219-5245.

Department of Obstetrics and Gynecology, Ajou University School of Medicine, Suwon 442-721, South KoreaSearch for more papers by this author
First published: 25 March 2009
Citations: 25

Abstract

Cancer invasion is an outcome of interactions of the cancer and the host cell. It is now becoming increasingly clear that ovarian hormones have a huge influence on such intercommunications in various types of cancers. Estrogen is known to aggravate the aggressiveness of the endometrial cancer whereas progesterone seems to act as a negative factor. Insight into the mode of ovarian hormonal actions could come from the studies of its regulation of the paracrine interactions between the endometrial cancer and the normal stromal cells during the cancer invasion. In this context, we report here that estrogen promotes the endometrial cancer invasion by inducing humoral interactions between the cancer and the stromal cells, i.e., estrogen stimulates tumor necrosis factor-α expression from the endometrial cancer cells, which, in turn, induces the stromal expression of hepatocyte growth factor (HGF), conferring the enhanced NK4 (HGF-antagonist/angiogenesis inhibitor)-sensitive invasion characteristic of the endometrial cancer cells. Additionally, we demonstrate a close correlation of the invasion of endometrial cancer cells with the expression and dimerization of integrin αvβ5 as well as the activation of focal adhesion kinase as the consequences of paracrine interactions. Thus, understanding of paracrine interactions of cancer cells with host stromal cells can yield new insight into the architecture and function of cancer invasion and metastasis, leading to a development of a new cancer therapeutic intervention. © 2008 Wiley-Liss, Inc.

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