Related Experiment Video

Updated: Aug 18, 2026

Screening for Phytoestrogens using a Cell-based Estrogen Receptor β Reporter Assay
06:07

Screening for Phytoestrogens using a Cell-based Estrogen Receptor β Reporter Assay

Published on: June 7, 2020

Dietary phytoestrogens: potential selective estrogen enzyme modulators?

Jean-Philippe Basly1, Marie-Chantal Canivenc Lavier

  • 1Faculté de Pharmacie, Université de Limoges, Limoges, France. basly@pharma.unilim.fr

Planta Medica
|April 28, 2005
PubMed

Insights

Phytoestrogens, found in food, can inhibit enzymes crucial for steroid-sensitive breast cancer growth. This research explores their potential as therapeutic agents by targeting these steroid pathways.

Area of Science:

  • Biochemistry
  • Pharmacology
  • Oncology

Background:

  • Steroid-sensitive breast cancers account for a significant portion of diagnoses.
  • Steroid-pathway enzymes are key targets for intacrine activity control in cancer therapy.

Purpose of the Study:

  • To review the estrogen pathway inhibition effects of dietary phytoestrogens.
  • To highlight isoflavonoids, flavonoids, and lignans as potential therapeutic agents.
  • To briefly discuss structurally related compounds for therapeutic applications.

Main Methods:

  • Literature review of phytoestrogens and their enzyme inhibition.
  • Focus on compounds affecting sulfatase, 17beta-hydroxysteroid dehydrogenases, aromatase, and sulfotransferases.
  • Analysis of dietary phytoestrogens including isoflavonoids, flavonoids, and lignans.

Main Results:

  • Phytoestrogens demonstrate inhibitory effects on key steroid-pathway enzymes.
  • Isoflavonoids, flavonoids, and lignans show promise in modulating estrogen pathways.
  • Research indicates progress in developing these compounds as therapeutic agents.

Conclusions:

  • Dietary phytoestrogens offer a potential therapeutic strategy for steroid-sensitive breast cancers.
  • Targeting intacrine activity via enzyme inhibition is a viable approach.
  • Further research into phytoestrogens and related compounds may yield novel cancer treatments.

More Related Videos

An In Vivo Estrogen Deficiency Mouse Model for Screening Exogenous Estrogen Treatments of Cardiovascular Dysfunction After Menopause06:18

An In Vivo Estrogen Deficiency Mouse Model for Screening Exogenous Estrogen Treatments of Cardiovascular Dysfunction After Menopause

Published on: August 13, 2019

Detecting Estrogenic Ligands in Personal Care Products using a Yeast Estrogen Screen Optimized for the Undergraduate Teaching Laboratory14:13

Detecting Estrogenic Ligands in Personal Care Products using a Yeast Estrogen Screen Optimized for the Undergraduate Teaching Laboratory

Published on: January 1, 2018

Related Concept Videos

Transducer Mechanism: Nuclear Receptors01:31

Transducer Mechanism: Nuclear Receptors

Nuclear receptors, or NRs, are unique transcription factors that regulate gene transcription and affect the cellular pathways involved in reproduction, development, or metabolism. Their ability to be stimulated by small lipophilic ligands and control vital cellular processes makes them ideal drug targets. Nearly 10-15% of currently prescribed drugs target these receptors.
About 48 different soluble family members of nuclear receptors are identified that can be divided into two main classes:
Enzyme Inhibition01:30

Enzyme Inhibition

Inhibitors are molecules that reduce enzyme activity by binding to the enzyme. In a normally functioning cell, enzymes are regulated by a variety of inhibitors. Drugs and other toxins can also inhibit enzymes. Some inhibitors bind to the enzyme’s active site, while others inhibit enzymatic activity by binding to other sites on the protein structure.