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Molecules 2016, 21(12), 1731; doi:10.3390/molecules21121731

Antimutagenic Effects of Selenium-Enriched Polysaccharides from Pyracantha fortuneana through Suppression of Cytochrome P450 1A Subfamily in the Mouse Liver

1
Department of Biochemistry, College of Medical Science, China Three Gorges University, Yichang 443002, China
2
Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
3
Molecular Medicine & Cancer Research Center, Chongqing Medical University, Chongqing 400016, China
4
Renhe Hospital, China Three Gorges University, Yichang 443002, China
5
King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
6
Enzymoics, 7 Peterlee Place, Hebersham, NSW 2770, Australia
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editors: Claudio Santi and Luana Bagnoli
Received: 30 July 2016 / Revised: 24 November 2016 / Accepted: 2 December 2016 / Published: 16 December 2016
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Abstract

Both selenium (Se) and polysaccharides from Pyracantha fortuneana (Maxim.) Li (PFPs) (P. fortuneana) have been reported to possess antioxidative and immuno-protective activities. Whether or not Se-containing polysaccharides (Se-PFPs) have synergistic effect of Se and polysaccharides on enhancing the antioxidant and immune activities remains to be determined. We previously reported that polysaccharides isolated from Se-enriched P. fortuneana (Se-PFPs) possessed hepatoprotective effects. However, it is not clear whether or not they have anti-mutagenic effects. In the present study, we compared and evaluated anti-mutagenic effects of Se-PFPs at three concentrations (1.35, 2.7 and 5.4 g/kg body weight) with those of PFPs, Se alone or Se + PFPs in mice using micronucleus assay in bone marrow and peripheral blood as well as mitomycin C-induced chromosomal aberrations in mouse testicular cells. We also elucidated the underlying mechanism. Our results demonstrated that Se-PFPs inhibited cyclophosphamide (CP)-induced micronucleus formation in both bone marrow and peripheral blood, enhanced the activities of superoxide dismutase (SOD) and glutathione peroxidase (GPx) in mouse liver, and reduced the activity and expression of cytochrome P450 1A (CYP4501A) in mouse liver in a dose-dependent manner. In addition, we found that the anti-mutagenic potential of Se-PFPs was higher than those of PFPs, Se alone or Se + PFPs at the same level. These results suggest that the anti-mutagenic potential of Se-PFPs may be mediated through the inhibition of the activity and expression of CYP4501A. This study indicates that application of Se-PFPs may provide an alternative strategy for cancer therapy by targeting CYP1A family. View Full-Text
Keywords: anti-mutagenicity; Se-PFPs; micronucleus formation; CYP1A anti-mutagenicity; Se-PFPs; micronucleus formation; CYP1A
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MDPI and ACS Style

Peng, F.; Guo, X.; Li, Z.; Li, C.; Wang, C.; Lv, W.; Wang, J.; Xiao, F.; Kamal, M.A.; Yuan, C. Antimutagenic Effects of Selenium-Enriched Polysaccharides from Pyracantha fortuneana through Suppression of Cytochrome P450 1A Subfamily in the Mouse Liver. Molecules 2016, 21, 1731.

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