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[Absorption Mechanism of Neobavaisoflavone in Caco-2 Cell Monolayer Mode]

[Absorption Mechanism of Neobavaisoflavone in Caco-2 Cell Monolayer Mode]

Xiao-Kun Xu, Zhi-Yong Chen, Zhuo-Qing Li, Yi-Min Zhang, Li-Ping Liao, Qiang Zhou, Zi-Jia Zhang

Zhongguo Zhong Yao Za Zhi. 2016 Aug;41(15):2922-2926.

PMID: 28914038

Abstract:

Neobavaisoflavone is one of flavonoids of traditional Chinese medicine Psoralea corylifolial. It has numerous biological properties such as antibacterial, anti-inflammatory, anti-cancer, and anti-osteoporosis effects. This paper aimed to investigate the absorption mechanism of neobavaisoflavone in Caco-2 cell monolayer model. The analyte and osalmide were separated on Thermo Syncronis C18 column with methanol-0.1% formic acid solution (90∶10) as the mobile phase, at a flow rate of 0.2 mL•min⁻¹. The concentration of neobavaisoflavone was determined in eletrospray ionization(ESI) positive ion mode with osalmide as an the internal standard. The effects of time, concentration, P-gp inhibitor verapamil, MRP-2 inhibitor MK-571 and BCRP inhibitor Ko143 on the absorption of neobavaisoflavone were investigated. According to the results, neobavaisoflavone showed a good linearity within the concentration of 10-2 000 μg•L⁻¹, and the results of its specificity, matrix effect, extraction recovery, precision, accuracy and stability all met the requirements. In the Caco-2 cell monolayer model, the transport volume of neobavaisoflavone was correlated positively with the time and concentration. The ER values of 15, 30, 50 μmol•L⁻¹ neobavaisoflavone were 1.64, 1.94,0.99, respectively. As compared with the control group, all of verapamil hyduochloride, MK-571 and Ko143 could promote the transportation of neobavaisoflavone, and the effect was more obvious in verapamil hyduochloride and Ko143. The absorption of neobavaisoflavone may be mainly of active transport in Caco-2 cell monolayer model, and also involve passive transport. Excretion mechanism of intestinal transport protein may be also involved.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP41060155	Neobavaisoflavone		41060-15-5	Price

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