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Diosgenin does not express estrogenic activity: a uterotrophic assay
Ivana Medigović1, Nataša Ristić, Jasmina Živanović
1University of Belgrade, Institute for Biological Research "Siniša Stanković", Despot Stefan Boulevard 142, 11060 Belgrade, Serbia.
Canadian Journal of Physiology and Pharmacology
|April 9, 2014
Summary
Diosgenin did not exhibit estrogenic activity in immature rats, as shown by a uterotrophic assay. This study found no changes in uterine weight or estrogen receptor expression after diosgenin administration.
Area of Science:
- Pharmacology
- Endocrinology
- Toxicology
Background:
- Phytoestrogens are plant-derived compounds with estrogenic activity.
- Diosgenin, a steroidal sapogenin, is found in various plants and has been investigated for potential health benefits.
- Understanding the estrogenic potential of compounds like diosgenin is crucial for assessing their safety and efficacy.
Purpose of the Study:
- To evaluate the estrogenic activity of diosgenin using the immature rat uterotrophic assay.
- To determine if diosgenin interacts with estrogen receptors (ERα) and affects downstream markers like progesterone receptor (PR) and lactoferrin (LF).
Main Methods:
- Immature female rats were administered oral doses of diosgenin (20-200 mg/kg) or 17α-ethynylestradiol (a reference estrogen agonist).
- Uterine wet weight, stereological, and histomorphometrical parameters were assessed.
- Immunohistochemistry was used to examine the expression of ERα, PR, and LF.
Main Results:
- Diosgenin did not significantly alter uterine wet weight, endometrial parameters, or vaginal histology.
- No changes in the immunostaining intensity of ERα, PR, or LF were observed in rats treated with diosgenin.
- The reference estrogen agonist, 17α-ethynylestradiol, significantly increased measured parameters and decreased ERα immunostaining, validating the assay.
Conclusions:
- Diosgenin does not act as an estrogen agonist in the immature rat uterotrophic assay at the tested doses.
- These findings suggest that diosgenin lacks significant estrogenic effects relevant to uterine growth and receptor expression in this model.
- Further research may be needed to explore other potential biological activities of diosgenin.
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