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Cancer chemoprevention by dietary phytochemicals: promises and pitfalls

Ramamurthi Vidya Priyadarsini1, Siddavaram Nagini

  • 1Department of Biochemistry and Biotechnology, Faculty of Science, Annamalai University, Annamalainagar-608 002, Tamil Nadu, India.

Current Pharmaceutical Biotechnology
|April 7, 2011
PubMed

Insights

Dietary phytochemicals show promise in cancer prevention and therapy by targeting multiple pathways. Further clinical trials are needed to confirm their benefits in humans.

Area of Science:

  • Oncology
  • Nutritional Science
  • Pharmacology

Background:

  • Dietary phytochemicals are plant-derived compounds with demonstrated anticancer activities.
  • These compounds interfere with multiple signaling pathways crucial in cancer development and progression.

Purpose of the Study:

  • To review the evidence supporting the role of dietary phytochemicals in cancer chemoprevention and therapy.
  • To highlight the multitargeted mechanisms of action and potential benefits of phytochemicals.

Main Methods:

  • Literature review of preclinical and clinical studies on dietary phytochemicals and cancer.
  • Analysis of phytochemicals' effects on key cellular processes like apoptosis, cell cycle, and angiogenesis.
  • Examination of phytochemical interactions with conventional cancer treatments.

Main Results:

  • Phytochemicals exhibit anticancer effects by modulating enzymes, oxidative stress, inflammation, and cell signaling.
  • They can synergize with chemotherapy and radiotherapy, potentially enhancing treatment efficacy.
  • Naturally derived phytochemicals possess multitargeted action with generally low toxicity.

Conclusions:

  • Dietary phytochemicals hold significant potential for cancer chemoprevention and therapy.
  • Translating preclinical findings into clinical benefits requires more rigorously designed clinical trials.

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