Differential cellular responses to epigallocatechin-3-O-gallate of human dermal fibroblasts vs. human fibrosarcoma cells

Dong Wook Han, Mi Hee Lee, Jong Ho Lee, Suong Hyu Hyon, Jong Chul Park

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Green tea polyphenols (GTPs) have shown cancer chemopreventive andchemotherapeutic effects in many animal tumor bioassays, cell culture systems, andepidemiological studies. These anti-cancer activities of GTPs are believed to be mostlymediated by epigallocatechin-3-O-gallate (EGCG), the predominant component of greentea. Many researchers have reported that EGCG or its derivatives results in cell cyclearrest and apoptosis of several cancer cells, but not of normal cells. However, themechanism of these differential responses to EGCG in cancer cells vs. normal cells is notfully elucidated yet. This chapter concentrates on the cell cycle-related molecular targetsfor the differential regulation of cell growth, morphology, apoptosis and phosphorylatednuclear factor-κB (pNF-κB) expression by EGCG in human dermal fibroblasts (HDFs)vs. human fibrosarcoma (HT-1080) cells. The first part deals with the differential effects of EGCG on cell growth, morphology and cell cycle progression of HDFs vs. HT-1080cells. The second is about the differential regulatory effects of EGCG on apoptosis andpNF-κB expression of HDFs vs. HT-1080 cells. The third deals with the differentialcellular uptake patterns of EGCG conjugated with FITC in HDFs vs. HT-1080 cells. Thelast is about the reversible regulatory effects of EGCG on the expression of cell cyclerelatedgenes and proteins in HDFs. Taking all things into account, the differentialregulatory activities of EGCG in normal cells vs. cancer cells may be exploited to crafttarget-specific strategies, such as the cytoprotection of normal cells and chemopreventionof cancer cells.

Original languageEnglish
Title of host publicationPolyphenols
Subtitle of host publicationChemistry, Dietary Sources and Health Benefits
PublisherNova Science Publishers, Inc.
Pages505-520
Number of pages16
ISBN (Print)9781620818091
Publication statusPublished - 2013 Jan 1

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Fibrosarcoma
Fibroblasts
Skin
Cells
Cell growth
Polyphenols
Apoptosis
Neoplasms
epigallocatechin gallate
Tea
Fluorescein-5-isothiocyanate
Bioassay
Cell Cycle
Cell culture
Tumors
Animals
Cytoprotection
Derivatives
Growth
Biological Assay

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Han, D. W., Lee, M. H., Lee, J. H., Hyon, S. H., & Park, J. C. (2013). Differential cellular responses to epigallocatechin-3-O-gallate of human dermal fibroblasts vs. human fibrosarcoma cells. In Polyphenols: Chemistry, Dietary Sources and Health Benefits (pp. 505-520). Nova Science Publishers, Inc..
Han, Dong Wook ; Lee, Mi Hee ; Lee, Jong Ho ; Hyon, Suong Hyu ; Park, Jong Chul. / Differential cellular responses to epigallocatechin-3-O-gallate of human dermal fibroblasts vs. human fibrosarcoma cells. Polyphenols: Chemistry, Dietary Sources and Health Benefits. Nova Science Publishers, Inc., 2013. pp. 505-520
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Han, DW, Lee, MH, Lee, JH, Hyon, SH & Park, JC 2013, Differential cellular responses to epigallocatechin-3-O-gallate of human dermal fibroblasts vs. human fibrosarcoma cells. in Polyphenols: Chemistry, Dietary Sources and Health Benefits. Nova Science Publishers, Inc., pp. 505-520.

Differential cellular responses to epigallocatechin-3-O-gallate of human dermal fibroblasts vs. human fibrosarcoma cells. / Han, Dong Wook; Lee, Mi Hee; Lee, Jong Ho; Hyon, Suong Hyu; Park, Jong Chul.

Polyphenols: Chemistry, Dietary Sources and Health Benefits. Nova Science Publishers, Inc., 2013. p. 505-520.

Research output: Chapter in Book/Report/Conference proceedingChapter

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AU - Park, Jong Chul

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N2 - Green tea polyphenols (GTPs) have shown cancer chemopreventive andchemotherapeutic effects in many animal tumor bioassays, cell culture systems, andepidemiological studies. These anti-cancer activities of GTPs are believed to be mostlymediated by epigallocatechin-3-O-gallate (EGCG), the predominant component of greentea. Many researchers have reported that EGCG or its derivatives results in cell cyclearrest and apoptosis of several cancer cells, but not of normal cells. However, themechanism of these differential responses to EGCG in cancer cells vs. normal cells is notfully elucidated yet. This chapter concentrates on the cell cycle-related molecular targetsfor the differential regulation of cell growth, morphology, apoptosis and phosphorylatednuclear factor-κB (pNF-κB) expression by EGCG in human dermal fibroblasts (HDFs)vs. human fibrosarcoma (HT-1080) cells. The first part deals with the differential effects of EGCG on cell growth, morphology and cell cycle progression of HDFs vs. HT-1080cells. The second is about the differential regulatory effects of EGCG on apoptosis andpNF-κB expression of HDFs vs. HT-1080 cells. The third deals with the differentialcellular uptake patterns of EGCG conjugated with FITC in HDFs vs. HT-1080 cells. Thelast is about the reversible regulatory effects of EGCG on the expression of cell cyclerelatedgenes and proteins in HDFs. Taking all things into account, the differentialregulatory activities of EGCG in normal cells vs. cancer cells may be exploited to crafttarget-specific strategies, such as the cytoprotection of normal cells and chemopreventionof cancer cells.

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Han DW, Lee MH, Lee JH, Hyon SH, Park JC. Differential cellular responses to epigallocatechin-3-O-gallate of human dermal fibroblasts vs. human fibrosarcoma cells. In Polyphenols: Chemistry, Dietary Sources and Health Benefits. Nova Science Publishers, Inc. 2013. p. 505-520