Preparation of naringenin/ β-cyclodextrin complex and its more potent alleviative effect on choroidal neovascularization in rats.
Preparation of naringenin/ β-cyclodextrin complex and its more potent alleviative effect on choroidal neovascularization in rats.
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DOI：
10.1155/2014/623509
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发表时间：
2014
影响因子：
--
通讯作者：
Yang XW
中科院分区：
文献类型：
--
作者：
Xu XR;Yu HT;Hang L;Shao Y;Ding SH;Yang XW
Choroidal neovascularization (CNV) is characterized by abnormal blood vessels growing from the choroid. Current remedies for CNV have not shown favorable therapeutic efficacy. It is urgent to identify and develop more safe and potent anti-CNV agents via multiple technologies. We previously showed that the natural product naringenin attenuated CNV. However, naringenin has poor water solubility and low bioavailability. Here, we prepared the β-cyclodextrin (β-CD) complex of naringenin and characterized it using infrared spectra and X-ray diffraction analyses. Determination of content and solubility in the complex showed that naringenin accounted for 20.53% in the complex and its solubility was increased by more than 10-fold. Using a laser-induced CNV model in rats we demonstrated that naringenin/β-CD complex more significantly reduced CNV area than naringenin alone in rats. Furthermore, naringenin and its β-CD complex significantly inhibited the mRNA and protein expression of VEGF, COX-2, PI3K, p38MAPK, MMP-2, and MMP-9 in retina and choroid tissues. Naringenin/β-CD complex showed more significant inhibitory effect on VEGF and COX-2 expression than naringenin. These results collectively indicated that naringenin/β-CD complex could be a promising therapeutic option for CNV and that the beneficial effects could be linked to the anti-inflammatory properties of naringenin.
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