Journal
PHYTOMEDICINE
Volume 18, Issue 10, Pages 852-858Publisher
ELSEVIER GMBH, URBAN & FISCHER VERLAG
DOI: 10.1016/j.phymed.2011.01.015
Keywords
Propolis; Mammary carcinoma; DPD; Tumor growth; Metastasis; Gender-related
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Funding
- Croatian Ministry of Science, Education, and Sport [098-0982464-1647]
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The aim of this study was to detect the antitumor properties of Croatian propolis in BALB/c male and female mice injected wills 4T1 mammary carcinoma. Furthermore, the gender-dependence of this effect and the possible involvement of combined effect of propolis and 5-Fluorouracil (5FU) on dihydropyrimidine dehydrogenase (DPD) transcriptional and translational level, were determined. In combination with 5FU propolis treatment induced gender-related effects. The results of the study revealed that pretreatment of mice with propol is combined with 5FU treatment prolonged the suppressive effect of 5FU on tumor growth and reduced the number of metastasis only in male mice. Only males pretreated with propolis prior to 5FU administration had decreased DPD protein level indicating higher sensitivity to 5FU. Thus, beneficial effects of propolis in male tumor-bearing mice treated with h 5FU might be explained by increased sensitivity to 5FU as the result of translationally downregulated DPD. (C) 2011 Elsevier GmbH. All rights reserved.
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