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Updated: Aug 12, 2026

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An In Vivo Estrogen Deficiency Mouse Model for Screening Exogenous Estrogen Treatments of Cardiovascular Dysfunction After Menopause
Published on: August 13, 2019
[Experimental study of Oleanolic acid liquid acting on climacteric rats]
Yan Lou1, Zhiliang Chen, Chunxia Wang
1Nanfang Hospital, Southern Medical University, Guangzhou 510515.
Zhong Yao Cai = Zhongyaocai = Journal of Chinese Medicinal Materials
|October 29, 2005
Summary
Oleanolic acid demonstrates a curative effect on menopausal rats by improving ovarian and adrenal function. This natural compound positively impacts key hormone and antioxidant levels, offering a potential therapeutic option.
Area of Science:
- Pharmacology
- Endocrinology
- Natural Products Chemistry
Context:
- Menopause is associated with hormonal imbalances and oxidative stress.
- Oleanolic acid is a naturally occurring pentacyclic triterpenoid with potential therapeutic properties.
- Evaluating natural compounds for menopausal symptom management is an active area of research.
Purpose:
- To investigate the independent curative effects of Oleanolic acid on climacteric rats.
- To compare the efficacy of Oleanolic acid with Isoflavonoids in a menopausal rat model.
Summary:
- Oleanolic acid administration significantly increased serum estradiol (E2), superoxide dismutase (SOD), and glutathione peroxidase (GSH-Px) levels (P < 0.05).
- It also decreased malondialdehyde (MDA) levels (P < 0.01), indicating reduced oxidative stress.
- Histological examination revealed improvements in the morphology and function of the ovary and adrenal cortex in rats treated with Oleanolic acid.
Impact:
- Oleanolic acid shows independent therapeutic potential for managing menopausal symptoms.
- This study supports the use of Oleanolic acid as a natural alternative for addressing hormonal changes and oxidative stress during menopause.
- Findings contribute to the understanding of Oleanolic acid's pharmacological actions in reproductive endocrinology.

