Ginsenoside RG3-loaded microneedles for in situ treatment of ovarian cancer
Journal of Drug Delivery Science and Technology(2024)
摘要
Natural products have unique therapeutic effects in the treatment of various diseases. Ginseng, as a traditional Chinese herb, is effective against a wide range of diseases. Nowadays, studies have shown that ginsenoside RG3, the active ingredient of ginseng, has obvious anti-tumor effects. However, since the drug concentration is too low when the drug is administered orally to reach ovarian cancer (OC), this study aims to develop a new way of RG3 administration. Microneedles (MNs), which are made of methacryloyl gelatin and have good biocompatibility and drug-carrying efficiency, were employed to deliver RG3 directly to the surface of ovarian tumors. RG3 was encapsulated in MNs, and RG3-MNs could effectively penetrate the tumor tissue and release the drug with ideal kinetics. In vivo and in vitro experiments demonstrated the anti-tumor efficiency and biosafety of RG3-MNs. RG3-MNs could inhibit the proliferation of OC cells and promote apoptosis, thus exerting anti-tumor effects. These results indicated that loading RG3-MNs has good prospects in the clinical therapy of OC.
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关键词
Ovarian cancer,Ginsenoside RG3,Microneedles
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