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Inhibition of apoptosis induced by oxidative stress is an effective way to reduce myocardial injury. In this study, we used H2O2-stimulated rat cardiac myoblast cell line (H9c2) as an oxidative damage model. Curcumin (Cur) was chosen as a model drug and mesoporous silica nanoparticles (MSNs) were chosen as the carrier to construct a Cur-loaded delivery system (Cur@MSNs) and to examine its protective effects against oxidative damage. The MSNs guaranteed efficient loading and controlled release of Cur. Besides, the hydrophilicsilanol groups on the surface of MSNs promoted the Cur solubility in water and increased its cellular uptake amount, which improved the bioavailability of Cur. The results suggest that the Cur@MSNs was pharmacologically active in the reduction of the oxidative damage of H9c2 cells. It was verified that a great decrease of reactive oxygen species was inducted by Cur@MSNs, which led to the protective effects against oxidative damage.
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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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