alexa Propolis and its Active Component, Caffeic Acid Phenethyl Ester (CAPE), Modulate breast Cancer Therapeutic Targets via an Epigenetically Mediated Mechanism of Action
ISSN: 1948-5956

Journal of Cancer Science & Therapy
Open Access

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Research Article

Propolis and its Active Component, Caffeic Acid Phenethyl Ester (CAPE), Modulate breast Cancer Therapeutic Targets via an Epigenetically Mediated Mechanism of Action

Coral Omene1,5*, Matko Kalac1,5, Jing Wu2, Enrica Marchi1,3,4, Krystyna Frenkel2,5 and Owen A O’Connor1,3,4

1Department of Medicine, NYU School of Medicine, New York, USA

2Department of Environmental Medicine, NYU School of Medicine, New York, USA

3Center for Lymphoid Malignancies, Columbia University Medical Center, New York, USA

4Herbert Irving Comprehensive Cancer Center, Columbia University, New York, USA

5NYU Cancer Institute, NYU School of Medicine, New York, USA

*Corresponding Author:
Coral Omene
Department of Medicine, Division of Hematology/Oncology
NYU School of Medicine, 550 First Avenue
BCD, Rm 556 NY, NY, 10016, USA
Tel: 212-263-6485
Fax: 212-263-8210
E-mail: [email protected], [email protected]

Received Date: August 16, 2013; Accepted Date: October 18, 2013; Published Date: October 21, 2013

Citation: Omene C, Kalac M, Wu J, Marchi E, Frenkel K, et al. (2013) Propolis and its Active Component, Caffeic Acid Phenethyl Ester (CAPE), Modulate Breast Cancer Therapeutic Targets via an Epigenetically Mediated Mechanism of Action. J Cancer Sci Ther 5:334-342. doi:10.4172/1948-5956.1000224

Copyright: © 2013 Omene C, 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.

 

Abstract

Alternative remedies for cancer treatment is a multi-billion dollar industry. In particular, breast cancer (BC) patients use alternative and natural remedies more frequently than patients with other malignancies. Propolis is an example of a honeybee-produced naturopathic formulation, contents of which differ by geographic location. It is readily available, affordable, and in use safely since ancient times globally. Caffeic acid phenethyl ester (CAPE) is a major active component in propolis and is thought to be responsible for its varied properties, including antibacterial, antiviral, antifungal, antioxidant, anti-inflammatory and anticancer. CAPE is effective in many models of human cancer, including BC as we have previously shown. CAPE affects genes associated with tumor cell growth and survival, angiogenesis and chemoresistance. We demonstrate that these are related in part to CAPE’s role as a histone deacetylase inhibitor, a class of drugs designated as epigenetic agents that modulate the activities of oncogenes and tumor suppressor genes. CAPE and propolis, cause an accumulation of acetylated histone proteins in MCF-7 (ER+) and MDA-MB-231 (ER-/PR-/Her2-) cells with associated decreases in ER and PR in MCF-7 cells, and upregulation of ER and decrease in EGFR in MDA-231 cells. In addition, these products reduced activated phosphorylated Her 2 protein in SKBR3 (Her 2 +) cells. Interestingly, propolis, when normalized for CAPE content, appears to be more potent than CAPE alone similarly to the greater effects of complete foods than isolated components. These data provide a potential mechanistic basis for one of the oldest naturopathic agents used in medicine and cancer treatment.

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