Albuca Bracteate Polysaccharides Synergistically Enhance the Anti-Tumor Efficacy of 5-Fluorouracil Against Colorectal Cancer by Modulating β-Catenin Signaling and Intestinal Flora

The first-line treatment for colorectal cancer (CRC) is 5-fluorouracil (5-FU). However, the efficacy of this treatment is sometimes limited owing to chemoresistance as well as treatment-associated intestinal mucositis and other adverse events. Growing evidence suggests that certain phytochemicals ha...

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Main Authors: Xinyu Yuan (Author), Jiao Xue (Author), Yingxia Tan (Author), Qingguo Yang (Author), Ziyan Qin (Author), Xiaodong Bao (Author), Shengkai Li (Author), Liangliang Pan (Author), Ziqing Jiang (Author), Yu Wang (Author), Yongliang Lou (Author), Lei Jiang (Author), Jimei Du (Author)
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Published: Frontiers Media S.A., 2021-09-01T00:00:00Z.
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100 1 0 |a Xinyu Yuan  |e author 
700 1 0 |a Jiao Xue  |e author 
700 1 0 |a Yingxia Tan  |e author 
700 1 0 |a Qingguo Yang  |e author 
700 1 0 |a Ziyan Qin  |e author 
700 1 0 |a Xiaodong Bao  |e author 
700 1 0 |a Shengkai Li  |e author 
700 1 0 |a Liangliang Pan  |e author 
700 1 0 |a Ziqing Jiang  |e author 
700 1 0 |a Yu Wang  |e author 
700 1 0 |a Yongliang Lou  |e author 
700 1 0 |a Lei Jiang  |e author 
700 1 0 |a Jimei Du  |e author 
245 0 0 |a Albuca Bracteate Polysaccharides Synergistically Enhance the Anti-Tumor Efficacy of 5-Fluorouracil Against Colorectal Cancer by Modulating β-Catenin Signaling and Intestinal Flora 
260 |b Frontiers Media S.A.,   |c 2021-09-01T00:00:00Z. 
500 |a 1663-9812 
500 |a 10.3389/fphar.2021.736627 
520 |a The first-line treatment for colorectal cancer (CRC) is 5-fluorouracil (5-FU). However, the efficacy of this treatment is sometimes limited owing to chemoresistance as well as treatment-associated intestinal mucositis and other adverse events. Growing evidence suggests that certain phytochemicals have therapeutic and cancer-preventing properties. Further, the synergistic interactions between many such plant-derived products and chemotherapeutic drugs have been linked to improved therapeutic efficacy. Polysaccharides extracted from Albuca bracteata (Thunb.) J.C.Manning and Goldblatt (ABP) have been reported to exhibit anti-oxidant, anti-inflammatory, and anti-tumor properties. In this study, murine CRC cells (CT26) and a murine model of CRC were used to examine the anti-tumor properties of ABP and explore the mechanism underlying the synergistic interactions between ABP and 5-FU. Our results revealed that ABP could inhibit tumor cell proliferation, invasion, and migratory activity in vitro and inhibited tumor progression in vivo by suppressing β-catenin signaling. Additionally, treatment with a combination of ABP and 5-FU resulted in better outcomes than treatment with either agent alone. Moreover, this combination therapy resulted in the specific enrichment of Ruminococcus, Anaerostipes, and Oscillospira in the intestinal microbiota and increased fecal short-chain fatty acid (SCFA) levels (acetic acid, propionic acid, and butyric acid). The improvement in the intestinal microbiota and the increase in beneficial SCFAs contributed to enhanced therapeutic outcomes and reduced the adverse effects of 5-FU. Together, these data suggest that ABP exhibits anti-neoplastic activity and can effectively enhance the efficacy of 5-FU in CRC treatment. Therefore, further research on the application of ABP in the development of novel anti-tumor drugs and adjuvant compounds is warranted and could improve the outcomes of CRC patients. 
546 |a EN 
690 |a polysaccharide 
690 |a colorectal cancer 
690 |a 5-fluorouracil 
690 |a β-catenin 
690 |a gut microbiota 
690 |a short-chain fatty acids 
690 |a Therapeutics. Pharmacology 
690 |a RM1-950 
655 7 |a article  |2 local 
786 0 |n Frontiers in Pharmacology, Vol 12 (2021) 
787 0 |n https://www.frontiersin.org/articles/10.3389/fphar.2021.736627/full 
787 0 |n https://doaj.org/toc/1663-9812 
856 4 1 |u https://doaj.org/article/90e204bc178d4bd196d3a9aae8cbffd6  |z Connect to this object online.