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Biosynthesis of a Flavonol from a Flavanone by Establishing a One-pot Bienzymatic Cascade
Published on: August 14, 2019
Anticancer properties of flavonoids: roles in various stages of carcinogenesis
Nicolas Clere1, Sébastien Faure, Maria Carmen Martinez
1INSERM UMR U694, Université d'Angers, Angers, France.
Abstract:
High dietary intake of fruits and vegetables is consistently associated with a reduced risk of common human cancers. The specific mechanisms of action of most phytochemicals in cancer prevention are not yet clear but appear to be varied. One class of compounds currently under investigation is flavonoids, a large group of molecules with similar structure. Although their bioavailability is discussed, numerous in vitro and animal model data suggest that flavonoids modulate important cellular and molecular mechanisms related to carcinogenesis, a multistep process involving the transformation, survival, proliferation, invasion, angiogenesis, and metastasis of the tumor cells. Epidemiological studies confirmed that, among many flavonoids, apigenin, epigallocatechin gallate, delphinidin and genistein appear to be beneficial compounds in various stages of carcinogenesis. Therefore, according to in vitro and in vivo studies, this review attempts to increase our understanding about the preventive and therapeutic effects of these compounds to facilitate extrapolation of results from animal studies to human situations.
Insights
Fruits and vegetables contain flavonoids that may prevent cancer. This review explores the preventive and therapeutic effects of specific flavonoids like apigenin and genistein, based on in vitro and animal studies.
Area of Science:
- Phytochemistry
- Cancer Biology
- Nutritional Science
Background:
- Dietary intake of fruits and vegetables is linked to reduced cancer risk.
- Phytochemicals, particularly flavonoids, are under investigation for their cancer-preventive mechanisms.
- Carcinogenesis involves complex cellular processes including transformation, proliferation, and metastasis.
Purpose of the Study:
- To review the preventive and therapeutic effects of specific flavonoids.
- To elucidate the mechanisms by which flavonoids impact carcinogenesis.
- To facilitate the extrapolation of findings from animal models to human health.
Main Methods:
- Review of in vitro studies on flavonoid mechanisms.
- Analysis of animal model data on flavonoid efficacy.
- Examination of epidemiological evidence for flavonoid benefits.
Main Results:
- Flavonoids modulate key cellular and molecular mechanisms in carcinogenesis.
- Apigenin, epigallocatechin gallate, delphinidin, and genistein show promise in cancer prevention.
- Evidence suggests flavonoids can impact tumor cell survival, proliferation, invasion, angiogenesis, and metastasis.
Conclusions:
- Specific flavonoids demonstrate significant potential in cancer prevention and therapy.
- Further research is needed to translate findings from preclinical studies to human applications.
- Understanding flavonoid mechanisms can guide dietary recommendations for cancer risk reduction.
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