Lycium barbarum L. Polysaccharide (LBP) Reduces Glucose Uptake via Down-Regulation of SGLT-1 in Caco2 Cell.

Lycium barbarum L. Polysaccharide (LBP) Reduces Glucose Uptake via Down-Regulation of SGLT-1 in Caco2 Cell.
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枸杞多糖 (LBP) 通过下调 Caco2 细胞中的 SGLT-1 减少葡萄糖摄取

DOI:
10.3390/molecules22020341
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发表时间:
2017-02-22
期刊:
Molecules (Basel, Switzerland)
影响因子:
--
通讯作者:
Yao Z
Yao Z
中科院分区:
其他
文献类型:
--
作者:
Cai H;Yang X;Cai Q;Ren B;Qiu H;Yao Z

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宁夏枸杞枸杞多糖(LBP)是从枸杞中提取的一种多糖。(L. barbarum),这是一种传统的中药。LPB已被证明具有降血糖作用。为了获得LBP的降血糖作用的一些机制的见解,我们研究了LBP的摄取及其对人肠上皮细胞系Caco 2细胞葡萄糖吸收的影响。LBP通过Caco 2细胞单层的摄取是时间依赖性的,并且被SGLT-1的竞争性抑制剂根皮苷抑制。LPB可降低Caco 2细胞对葡萄糖的吸收,下调SGLT-1的表达。这些结果表明,LBP可能通过SGLT-1转运穿过人肠上皮细胞,并通过下调SGLT-1抑制葡萄糖摄取。
Lycium barbarum L. polysaccharide (LBP) is prepared from Lycium barbarum L. (L. barbarum), which is a traditional Chinese medicine. LPB has been shown to have hypoglycemic effects. In order to gain some mechanistic insights on the hypoglycemic effects of LBP, we investigated the uptake of LBP and its effect on glucose absorption in the human intestinal epithelial cell line Caco2 cell. The uptake of LBP through Caco2 cell monolayer was time-dependent and was inhibited by phloridzin, a competitive inhibitor of SGLT-1. LPB decreased the absorption of glucose in Caco2 cell, and down-regulated the expression of SGLT-1. These results suggest that LBP might be transported across the human intestinal epithelium through SGLT-1 and it inhibits glucose uptake via down-regulating SGLT-1.
DOI: 10.1016/j.carbpol.2012.10.072
发表时间: 2013-02-15
影响因子: 11.2
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