The incidence of intrauterine adhesions(IUA)has increased with the rising utilization of intrauterine surgery.The postoperative physical barrier methods commonly used,such as balloons and other fillers,have limited ef...The incidence of intrauterine adhesions(IUA)has increased with the rising utilization of intrauterine surgery.The postoperative physical barrier methods commonly used,such as balloons and other fillers,have limited effectiveness and may even cause further damage to the remaining endometrial tissue.Herein,we developed an injectable thermosensitive hydrogel using Pluronic F127/F68 as pharmaceutical excipients and curcumin as a natural active molecule.The hydrogel effectively addresses solubility and low bioavailability issues associated with curcumin.In vitro,drug release assays revealed that the amorphous curcumin hydrogel promotes dissolution and sustained release of curcumin.In vitro experiments reveal high biocompatibility of the hydrogel and its ability to enhance vascular formation while inhibiting the expression of fibrotic factor TGF-β1.To assess the effectiveness of preventing IUAs,in vivo experiments were conducted using IUA rats and compared with a class III medical device,a new-crosslinked hyaluronic acid(NCHA)gel.According to the study,curcumin hydrogel is more effective than the NCHA group in improving the regeneration of the endometrium,increasing the blood supply to the endometrium and reducing the abnormal deposition of fibrin,thus preventing IUA more effectively.This study provides a promising strategy for treating and preventing IUA.展开更多
基金supported by the National Key Research and Development Program of China(2023YFE0203500)the National Natural Science Foundation of China(82003670)+2 种基金Postgraduate Research&Practice Innovation Program of Jiangsu Province(SJCX23_1449)the National Natural Science Foundation of China(22375026)Jiangsu Province College Student Innovation and Entrepreneurship Training Program Project(202310292053Z).
文摘The incidence of intrauterine adhesions(IUA)has increased with the rising utilization of intrauterine surgery.The postoperative physical barrier methods commonly used,such as balloons and other fillers,have limited effectiveness and may even cause further damage to the remaining endometrial tissue.Herein,we developed an injectable thermosensitive hydrogel using Pluronic F127/F68 as pharmaceutical excipients and curcumin as a natural active molecule.The hydrogel effectively addresses solubility and low bioavailability issues associated with curcumin.In vitro,drug release assays revealed that the amorphous curcumin hydrogel promotes dissolution and sustained release of curcumin.In vitro experiments reveal high biocompatibility of the hydrogel and its ability to enhance vascular formation while inhibiting the expression of fibrotic factor TGF-β1.To assess the effectiveness of preventing IUAs,in vivo experiments were conducted using IUA rats and compared with a class III medical device,a new-crosslinked hyaluronic acid(NCHA)gel.According to the study,curcumin hydrogel is more effective than the NCHA group in improving the regeneration of the endometrium,increasing the blood supply to the endometrium and reducing the abnormal deposition of fibrin,thus preventing IUA more effectively.This study provides a promising strategy for treating and preventing IUA.
