Journal
JOURNAL OF APPLIED BIOMEDICINE
Volume 19, Issue 4, Pages 202-209Publisher
UNIV SOUTH BOHEMIA
DOI: 10.32725/jab.2021.024
Keywords
Angiogenesis; Apoptosis; Breast cancer; Inflammation; Paclitaxel; Rosmarinic acid
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Rosmarinic acid, a natural polyphenolic compound, showed chemo-preventive and therapeutic potential in breast cancer mice. It suppressed NF-KB, TNF-α, VEGF levels, and activated apoptosis markers. It also synergistically enhanced the antitumor efficacy of Paclitaxel by targeting multiple breast cancer-related signaling pathways.
Rosmarinic acid is a natural polyphenolic compound that is found in different plant species and used for different medicinal purposes. This study aimed to investigate the chemo-preventive effect of rosmarinic acid and evaluate its antitumor efficacy alone or in combination with Paclitaxel in breast cancer mice model. Ehrlich induced mice mammary solid tumor model was used in the study. Mice were treated with oral rosmarinic acid and intraperitoneal Paclitaxel. Inflammation, angiogenesis, and apoptosis were checked. Enzyme linked immunosorbent assay (ELISA), quantitative real time PCR, and immunohistochemical methods were performed. Rosmarinic acid used prior to tumor induction suppressed NF-KB, TNF-alpha, vascular endothelial growth factor (VEGF) serum levels, and VEGF receptors. It also triggered apoptosis by restoring the levels of P53, Bcl-2, Bax, and caspase-3. Furthermore, in Ehrlich solid tumor mice, rosmarinic acid, and/or Paclitaxel significantly suppressed tumor growth with an increase in apoptotic markers P53 and Caspase-3 levels, and suppressed the Bcl2/Bax ratio. Rosmarinic acid exerted chemo-preventive and therapeutic potential alone or in combination with Paclitaxel. Moreover, rosmarinic acid targets numerous signaling pathways associated with breast cancer.
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