Abstract:
:The purpose of present study was to assess the enhancing effect of resveratrol (Res) on the absorption of bestatin and clarify the related molecular mechanism. Res facilitated bestatin absorption by down-regulating both protein and gene levels of multidrug resistance 1 (Mdr1) and Multidrug resistance-associated protein 2 (Mrp2), and up-regulating oligopeptide transporter 1 (Pept1) protein and mRNA expression in rat intestine. In the same manner, Res increased penetration of bestatin via significantly activating mRNA and protein expression of PEPT1 in Caco-2 cells. Conversely, mRNA and protein expression levels of MDR1, MRP2 and phosphorylation level of Insulin-like growth factor 1 receptor (IGF-1R) were inhibited by Res in Caco-2 cells. Moreover, Res also altered the phosphorylation of extracellular signal-regulated kinase (ERK) and protein kinase B (AKT). Res enhanced the intracellular concentration of bestatin by down-regulating MDR1 and MRP2 expression through a mechanism that involves IGF-1R/AKT/ERK signaling pathway inhibition in Caco-2 cells. In conclusion, Res enhances bestatin absorption by regulating PEPT1, MDR1 and MRP2 both in vivo and in vitro.
journal_name
Int J Pharmjournal_title
International journal of pharmaceuticsauthors
Jia Y,Liu Z,Huo X,Wang C,Meng Q,Liu Q,Sun H,Sun P,Yang X,Shu X,Liu Kdoi
10.1016/j.ijpharm.2015.09.042subject
Has Abstractpub_date
2015-11-10 00:00:00pages
588-598issue
1eissn
0378-5173issn
1873-3476pii
S0378-5173(15)30240-4journal_volume
495pub_type
杂志文章abstract::A polymeric prodrug of cisplatin (CP) with simple chemical structure was synthesized based on pullulan and its therapeutic effects on human hepatocellular carcinoma (HCC) were studied in vitro and in vivo. Briefly, CP was linked to pullulan monosuccinate (SUPA) via coordination bond to form prodrug of CP-SUPA with the...
journal_title:International journal of pharmaceutics
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journal_title:International journal of pharmaceutics
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doi:10.1016/s0378-5173(00)00700-6
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journal_title:International journal of pharmaceutics
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journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2003.11.027
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journal_title:International journal of pharmaceutics
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journal_title:International journal of pharmaceutics
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journal_title:International journal of pharmaceutics
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pub_type: 杂志文章,评审
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