alexa The Inhibitory Effects of <em>Pinus Pinaster</em> Extract and Resveratrol on Aromatase Expression in the Eutopic Endometrium of Endometriosis Patients Using Oral Contraceptives | Abstract
ISSN: 2161-0932

Gynecology & Obstetrics
Open Access

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Research Article

The Inhibitory Effects of Pinus Pinaster Extract and Resveratrol on Aromatase Expression in the Eutopic Endometrium of Endometriosis Patients Using Oral Contraceptives

Hugo Maia Jr1,4*, Clarice Haddad1, Wilson SD dos Santos Junior2, Nathanael Pinheiro3, Julio Casoy4 and Genevieve Coelho5

1Instituto da Mulher, Itaigara Memorial Day Hospital, Salvador, Bahia, Brazil

2Universidade do Estado da Bahia (UNEB), Department of Life Sciences, Salvador, Bahia, Brazil

3Imagepat, Salvador, Bahia, Brazil

4CEPARH, Salvador, Bahia, Brazil

5IVI Fertility Clinic, Salvador, Bahia, Brazil

*Corresponding Author:
Hugo Maia Jr
Research Director, CEPARH, Rua Caetano Moura
35 40210-341 Salvador, Bahia, Brazil
Tel: +55 71 3247-8216
E-mail: [email protected]

Received date: 05 March, 2015; Accepted date: 30 March, 2015; Published date:1 April, 2015

Citation: Maia Jr H, Haddad C, Junior WSDS, Pinheiro N, Casoy J, et al. (2015) The Inhibitory Effects of Pinus pinaster Extract and Resveratrol on Aromatase Expression in the Eutopic Endometrium of Endometriosis Patients using Oral Contraceptives. Gynecol Obstet (Sunnyvale) 5:285. doi: 10.4172/ 2161-0932.1000285

Copyright: © 2015 Maia Jr H, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


Objective: To demonstrate whether a combination of resveratrol with pinus pinaster extract increases the inhibitory effect of oral contraceptives on aromatase expression in the eutopic endometrium of patients with endometriosis.

Methods: The study population consisted of 175 patients referred to this center for diagnostic hysteroscopy with endometrial biopsy. The patients were divided into five groups according to the treatment they were receiving at the time of hospital admission: Group A: 48 patients with a history of pelvic pain and/or infertility and no hormonal treatment; Group B: 36 patients using oral contraceptives in extended regimens; Group C: 30 patents using oral contraceptives with resveratrol; Group D: 15 patients using only the pinus pinaster extract with resveratrol; and Group E: 46 endometriosis patients who had been using oral contraceptives together with 100 mg of a pinus pinaster extract and 30 mg of resveratrol daily. Aromatase expression was determined in the endometrium by immunohistochemistry.

Results: The mean number of cases in which aromatase expression was positive in the endometrium decreased significantly in oral contraceptive users (Group B). In Group E, the combination of oral contraceptives with pinus pinaster extract and resveratrol further decreased the number of cases in which there was positivity for aromatase expression. In Group D, the mean percentage of positive aromatase expression was significantly lower compared to Group A (controls) (p=0.01) but not significantly different from Group B. In patients using oral contraceptives with resveratrol (Group C), the percentage of patients in whom aromatase expression was positive was still significantly higher than Group E but lower than that of Group B, although this difference failed to reach statistical significance (p=0.07).

Conclusion: The association of oral contraceptives with pinus pinaster extract and resveratrol was the most effective in inhibiting aromatase expression in the eutopic endometrium of endometriosis patients.


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