Effects of Tea Catechins on Cancer Signaling Pathways

Chung S. Yang, Hong Wang, Jayson X. Chen, Jinsong Zhang

Research output: Chapter in Book/Report/Conference proceedingChapter

19 Scopus citations

Abstract

The inhibitory activities of tea catechins against carcinogenesis and cancer cell growth have been demonstrated in a large number of laboratory studies. Many mechanisms for modulating cancer signaling and metabolic pathways have been proposed based on numerous studies in cell lines with (-)-epigallocatechin-3-gallate, the most abundant and active tea catechin. Nevertheless, the molecular basis for the proposed mechanisms and whether these mechanisms indeed contribute to the anticancer activities in vivo are not clearly known. This chapter reviews the basic redox properties of tea catechins, their binding to key enzymes and signal transduction proteins, and other mechanisms that lead to suppression of cell proliferation, increased apoptosis, and inhibition of angiogenesis. More weight is put on studies in vivo over experiments in vitro. It also discusses key issues involved in extrapolating results from cell line studies to mechanistic insights in vivo.

Original languageEnglish (US)
Title of host publicationEnzymes
PublisherAcademic Press
Pages195-221
Number of pages27
DOIs
StatePublished - 2014

Publication series

NameEnzymes
Volume36

All Science Journal Classification (ASJC) codes

  • Molecular Biology
  • Biophysics
  • Biochemistry
  • Biotechnology

Keywords

  • Animal models
  • Cancer signaling
  • Cell lines
  • EGCG
  • Tea catechins

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