Blockade of MUC1 Expression by Glycerol Guaiacolate Inhibits Proliferation of Human Breast Cancer Cells

ISSN: 1875-5992 (Online)
ISSN: 1871-5206 (Print)


Volume 16, 12 Issues, 2016


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Anti-Cancer Agents in Medicinal Chemistry

Formerly: Current Medicinal Chemistry - Anti-Cancer Agents

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Michelle Prudhomme
Universite Blaise Pascal - C.N.R.S
Aubiere Cedex
France


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Blockade of MUC1 Expression by Glycerol Guaiacolate Inhibits Proliferation of Human Breast Cancer Cells



Anti-Cancer Agents in Medicinal Chemistry, 10(8): 644-650.

Author(s): J. S. Smith, J. Colon, R. Madero-Visbal, B. Isley, S. D. Konduri and C H Baker.

Affiliation: Cancer Research Institute, M. D. Anderson Cancer Center Orlando, 6900 Lake Nona Blvd, Mail Point 47, Orlando, FL-32827, USA.

Abstract

We sought to determine whether administration of glycerol guaiacolate at an optimal biological dose inhibits human breast cancer cell growth. Human breast cancer MCF-7 and ZR-75-1 cells were treated with glycerol guaiacolate and the therapeutic efficacy and biological activity of this drug was investigated on breast cancer cell growth. MCF-7 cells were injected into the mammary fat pad of overectamized female athymic nude mice. Ten days later, animals were treated with daily intraperitoneal injections of glycerol guaiacolate for six weeks. Tumor size and volume was monitored and immunohistochemical analysis on MUC1, p21 and ki-67 was performed. Glycerol guaiacolate decreased breast cancer cell growth in a dose-dependent manner, decreased cell migration, and caused G1 cell cycle arrest. Our results demonstrate that glycerol guaiacolate inhibits MUC1 protein and mRNA expression levels and significantly increased p21 expression in human breast cancer cells as well as induced PARP cleavage. Similarly, glycerol guaiacolate inhibited breast tumor growth in vivo as well as enhanced p21 expression and decreased breast tumor cell proliferation (ki-67 expression). Collectively, our results demonstrate that glycerol guaiacolate decreased MUC1 expression and enhanced cell growth inhibition by inducing p21 expression in breast cancer cells. These findings suggest that glycerol guaiacolate may provide a novel and effective approach for the treatment of human breast cancer.

Keywords:

Glycerol guaiacolate, MUC1, Breast cancer.



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Article Details

Volume: 10
Issue Number: 8
First Page: 644
Last Page: 650
Page Count: 7
DOI: 10.2174/187152010794473984
Price: $58
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