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Int. J. Mol. Sci. 2017, 18(3), 465; doi:10.3390/ijms18030465

Supercritical-Carbon Dioxide Fluid Extract from Chrysanthemum indicum Enhances Anti-Tumor Effect and Reduces Toxicity of Bleomycin in Tumor-Bearing Mice

1
Guangdong Provincial Key Laboratory of New Drug Development and Research of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
2
Guangdong New South Artepharm, Co., Ltd., Guangzhou 510006, China
3
Department of McLean Hospital, Harvard Medical School, Belmont, CA 02478-9106, USA
4
Dongguan Mathematical Engineering Academy of Chinese Medicine, Guangzhou University of Chinese Medicine, Dongguan 523000, China
*
Authors to whom correspondence should be addressed.
Academic Editors: Ashis Basu and Takehiko Nohmi
Received: 13 December 2016 / Revised: 8 February 2017 / Accepted: 13 February 2017 / Published: 24 February 2017
(This article belongs to the Special Issue Chemically-Induced DNA Damage, Mutagenesis, and Cancer)
View Full-Text   |   Download PDF [4752 KB, uploaded 24 February 2017]   |  

Abstract

Bleomycin (BLM), a family of anti-tumor drugs, was reported to exhibit severe side effects limiting its usage in clinical treatment. Therefore, finding adjuvants that enhance the anti-tumor effect and reduce the detrimental effect of BLM is a prerequisite. Chrysanthemum indicum, an edible flower, possesses abundant bioactivities; the supercritical-carbon dioxide fluid extract from flowers and buds of C. indicum (CISCFE) have strong anti-inflammatory, anti-oxidant, and lung protective effects. However, the role of CISCFE combined with BLM treatment on tumor-bearing mice remains unclear. The present study aimed to investigate the potential synergistic effect and the underlying mechanism of CISCFE combined with BLM in the treatment of hepatoma 22 (H22) tumor-bearing mice. The results suggested that the oral administration of CISCFE combined with BLM could markedly prolong the life span, attenuate the BLM-induced pulmonary fibrosis, suppress the production of pro-inflammatory cytokines (interleukin-6), tumor necrosis factor-α, activities of myeloperoxidase, and malondiadehyde. Moreover, CISCFE combined with BLM promoted the ascites cell apoptosis, the activities of caspases 3 and 8, and up-regulated the protein expression of p53 and down-regulated the transforming growth factor-β1 by activating the gene expression of miR-29b. Taken together, these results indicated that CISCFE could enhance the anti-cancer activity of BLM and reduce the BLM-induced pulmonary injury in H22 tumor-bearing mice, rendering it as a potential adjuvant drug with chemotherapy after further investigation in the future. View Full-Text
Keywords: supercritical-carbon dioxide fluid of C. indicum (CISCFE); BLM; anti-tumor effect; pulmonary fibrosis; synergism effect supercritical-carbon dioxide fluid of C. indicum (CISCFE); BLM; anti-tumor effect; pulmonary fibrosis; synergism effect
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Yang, H.-M.; Sun, C.-Y.; Liang, J.-L.; Xu, L.-Q.; Zhang, Z.-B.; Luo, D.-D.; Chen, H.-B.; Huang, Y.-Z.; Wang, Q.; Lee, D.Y.-W.; Yuan, J.; Li, Y.-C. Supercritical-Carbon Dioxide Fluid Extract from Chrysanthemum indicum Enhances Anti-Tumor Effect and Reduces Toxicity of Bleomycin in Tumor-Bearing Mice. Int. J. Mol. Sci. 2017, 18, 465.

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