alexa Using Topical Applications of Tamoxifen and a Combination of Phytonutrients Based on Breast MRI to Inhibit Estrogen-Related Proliferation of Human Breast Tissue | Abstract
ISSN : 2153-2435

Pharmaceutica Analytica Acta
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Research Article

Using Topical Applications of Tamoxifen and a Combination of Phytonutrients Based on Breast MRI to Inhibit Estrogen-Related Proliferation of Human Breast Tissue

Shoei-Loong Lin1, Cheuk-Sing Choy2, Wing P Chan3 and Ting-Kai Leung3,4*

1Department of Surgery, Taipei Hospital, Ministry of health and Welfare, Taiwan., R.O.C and Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University, Taiwan

2Emergency and intensive care department, Taipei Hospital, Department of Health, Taiwan

3Department of Radiology, School of Medicine, College of Medicine, Taipei Medical University and Department of Radiology, Wan Fang Hospital, Taipei Medical University, Taiwan

4Diagnostic Radiology department, Taipei Hospital, Ministry of Health and Welfare, Taiwan

*Corresponding Author:
Ting Kai Leung
Department of Radiology, Taipei Hospital
Ministry of Health and Welfare, NO.127, Su Yuan Road
Hsin Chuang District, New Taipei City, 242-13, Taiwan
Tel: 886-2-22765566+2187
Fax: 886-2-22765591
E-mail: [email protected]

Received date: December 03, 2013; Accepted date: January 07, 2014; Published date: January 13, 2014

Citation: Lin SL, Choy CS, Chan WP, Leung TK (2014) Using Topical Applications of Tamoxifen and a Combination of Phytonutrients Based on Breast MRI to Inhibit Estrogen-Related Proliferation of Human Breast Tissue. Pharm Anal Acta 5:281. doi: 10.4172/2153-2435.1000281

Copyright: © 2014 Lin SL, 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: In January of 2013, the National Institute of Health and Clinical Excellence of United Kingdom have announced that taking tamoxifen for five years could reduce breast cancer risk, include positive family history or chronic estrogen and phytoestrogen users. However, routinely oral intake of tamoxifen for breast cancer prophylaxis on high risk women is occasionally difficult because of its potential side effects. The intention of this study is to prove transdermal delivery by using minimal dose of tamoxifen and phytonutrients for breast protection. Methods: We retrospectively studied 2795 breast MRI images from Taiwanese women and classified them as either healthy or unhealthy according to BI-RADS categories. A subgroup of the study patients had received estrogen supplements containing estrogen components or phytoestrogen for at least 3 months. Based on breast MRI analysis, these 2 groups were compared and found significant different. The overuse of estrogen or phytoestrogen supplements can increase breast glandular tissue proliferation, as reflected in MRI images. Such proliferation may increase the risk of future breast cancer. We also studied the efficacy of tamoxifen and the phytonutrients to inhibit proliferation of mammary glandular cell, as well as their transdermal absorption in animal models. Results: We demonstrated cell proliferative change of normal breast cells (MCF-10a) under estrogen treatment. For studied of transdermal absorption by topical application, we used Franz cell with artificial skin membrane to demonstrate positive transdermal diffusion using animal urine/feces, blood samples and subcutaneous skin retention for HPLC analysis. Conclusion: We successful demonstrate the transdermal absorption of topical application of tamoxifen and phytonutrients; it may help to reduce breast cancer development in regular estrogen and phytoestrogen users.


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