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Encapsulation of phycocyanin by prebiotics and polysaccharides-based electrospun fibers and improved colon cancer prevention effects

文献类型： 外文期刊

作者： Wen, Yan 1 ; Wen, Peng 1 ; Hu, Teng-Gen 1 ; Linhardt, Robert J. 3 ; Zong, Min-Hua 1 ; Wu, Hong 1 ; Chen, Zhi-Yi 2 ;

作者机构： 1.South China Univ Technol, Sch Food Sci & Engn, Guangdong Prov Key Lab Green Proc Nat Prod & Prod, Guangzhou 510640, Peoples R China

2.Guangdong Acad Agr Sci, Sericultural & Agrifood Res Inst, Key Lab Funct Foods, Minist Agr,Guangdong Key Lab Agr Prod Proc, Guangzhou 510610, Peoples R China

3.Rensselaer Polytech Inst, Ctr Biotechnol & Interdisciplinary Studies, Dept Chem & Biol Engn, Troy, NY 12180 USA

关键词： Coaxial electrospinning; Phycocyanin; Prebiotics; Cancer prevention; Cell cycle arrest; Apoptosis

期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：6.953； 五年影响因子：6.737 ）

ISSN： 0141-8130

年卷期： 2020 年 149 卷

页码：

收录情况： SCI

摘要： To preserve bioactivity and achieve colon targeted release of phycocyanin (PC), the polysaccharides-based electrospun fiber mat (EFM) containing PC and prebiotics was prepared and characterized. In vitro release tests confirmed the colon targeting behavior of PC, in particular, faster release of PC was achieved due to the addition of prebiotics. Ritger-Peppas model confirmed that the release of PC in simulated colon fluids follows a mechanism of anomalous transport (non-Fickian). CCK-8 results showed that the combination of PC and prebiotics exerted a significant anti proliferative effect on HCT116 cells with an 1050 values of 22.31, 17.12 and 11.63 mg/mL after 24, 48, and 72 h, respectively. Furthermore, the cell cycle and apoptosis analysis revealed that the inhibition activity on Hal16 cells was caused by arresting cell cycle at G0/G1 phase that is relevant to the inhibition of cyclin D1 and CDK4 and the up-regulation of p21 expression, and inducing cell apoptosis by mediating the mitochondrial pathway as well, in which the decrease of Bcl-2/Bax, activation of caspase 3 and release of cytochrome c were included. This study suggests that the PC-loaded EFM with GOS holds a great potential as an effective formulation for colon cancer prevention. (C) 2020 Elsevier B.V. All rights reserved.

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