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Atherosclerosis is one of the causes of many cardiovascular diseases. Lipid metabolism disorder is an important risk factor for atherosclerosis. Lipase-targeted screening may help discovery of hypolipidemic and anti-atherosclerotic drugs. Traditional methods for enzyme-based screening exhibit drawbacks of tedious operation steps, reduced enzyme activity, slow mass transfer, as well as high false positive rate. In this paper, an integrated perfusion enzyme affinity selection system based on hollow fiber was constructed to screen hypolipidemic and anti-atherosclerotic compounds from traditional Chinese medicines, and the total saponins of Kudingcha were taken as a case. First, we built a hollow fiber based perfusion system and optimized the methodology for enzyme affinity selection. Then, two active compounds of kudinosides A and C were identified as potential lipase inhibitors from the total saponins of Kudingcha by the proposed system. Last, the activity of kudinosides A and C was verified by lipase inhibitory assay and formation of foam cell model induced by low density lipoprotein aggregates, exhibiting the reliability of the system. This platform shows the advantages of integration, fast mass transfer, simple operation, low cost, as well as improved throughput and efficiency, which is especially suitable for rapid screening active components from traditional Chinese medicine.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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