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Cancer and metastasis: prevention and treatment by green tea

Naghma Khan1, Hasan Mukhtar

  • 1Department of Dermatology, University of Wisconsin, 4385, Medical Sciences Center, 1300 University Avenue, Madison, WI 53706, USA.

Cancer Metastasis Reviews
|August 18, 2010
PubMed

Insights

Green tea consumption may reduce cancer risk. Its major compound, (-)-Epigallocatechin-3-gallate, inhibits tumor invasion and angiogenesis, crucial processes in cancer metastasis.

Area of Science:

  • Oncology
  • Molecular Biology
  • Nutritional Science

Background:

  • Metastasis, the spread of cancer, is the primary cause of cancer-related deaths.
  • Inhibiting metastasis is a critical goal in cancer research.
  • Green tea consumption is linked to reduced cancer risk in epidemiological studies.

Purpose of the Study:

  • To summarize the effects of green tea and its polyphenols on cancer and metastasis.
  • To review the impact of green tea compounds on commonly diagnosed cancer sites.

Main Methods:

  • Literature review of in vitro, in vivo, and epidemiological studies.
  • Focus on (-)-Epigallocatechin-3-gallate (EGCG) as a key green tea component.

Main Results:

  • EGCG demonstrates inhibitory effects on tumor invasion and angiogenesis.
  • These mechanisms are essential for tumor growth and the metastatic process.
  • Green tea polyphenols show potential in combating various cancer types.

Conclusions:

  • Green tea and its major polyphenol, EGCG, show promise in inhibiting cancer metastasis.
  • Further research into green tea's chemopreventive properties is warranted.
  • Dietary interventions, like green tea consumption, may play a role in cancer management.

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