Inhibition of P-glycoprotein function by tea catechins in KB-C2 cells

Inhibition of P-glycoprotein function by tea catechins in KB-C2 cells
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DOI:
10.1211/0022357044003
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发表时间:
2004-08-01
影响因子:
3.3
通讯作者:
Kamiyama, S
Kamiyama, S
中科院分区:
医学3区
文献类型:
--
作者:
Kitagawa, S;Nabekura, T;Kamiyama, S

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我们研究了茶儿茶素、(-)-表儿茶素(EC)、(-)-表没食子儿茶素(EGC)、(-)-表没食子儿茶素没食子酸酯(ECG)和(-)-表没食子儿茶素没食子酸酯(EGCG)对多药耐药P-gip过表达的k2 - c2细胞p -糖蛋白(P-gp)功能的影响。EC对P-gp底物罗丹明-123和柔红霉素的细胞积累没有影响,但其他儿茶素的积累按EGC的顺序增加
We studied the effects of tea catechins, (-)-epicatechin (EC), (-)-epigallocatechin (EGC), (-)-epicatechin gallate (ECG), and (-)-epigallocatechin gallate (EGCG) on the P-glycoprotein (P-gp) function in multidrug-resistant P-gip over-expressing KB-C2 cells. EC did not have any effects on cellular accumulation of P-gp substrates, rhodamine-123 and daunorubicin, but the other catechins increased the accumulation in the order of EGC