期刊
ACS BIOMATERIALS SCIENCE & ENGINEERING
卷 7, 期 10, 页码 4914-4920出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsbiomaterials.1c00615
关键词
thin endometrium; hyaluronic acid; vascular endothelial growth factor; microspheres
资金
- Natural Science Foundation of Jiangxi Province [20192BAB215011]
- National Key R&D Program of China [2017YFD0502200]
- Beijing Dairy Cattle Industry Innovation Team project [BAIC05-2017]
- Outstanding Young Talent Project of Beijing Municipal Party Committee Organization Department [2018000020124G081065]
The study identified poor vascular development as a key cause of thin endometrium and proposed inducing angiogenesis as an effective treatment strategy. By developing angiogenic hydrogel microspheres based on HAMA, the study demonstrated increased drug-loading ability, controlled drug-release rate, promotion of new blood vessel formation, and endometrial regeneration for thin endometrium treatment.
The poor vascular development of an endometrium is the key cause of a thin endometrium due to the vascular endothelial growth factor (VEGF) decreasing in the glandular epithelium. Hence, inducing angiogenesis is an effective strategy for thin endometrium treatment in clinic. Herein, we developed a novel angiogenic hydrogel microsphere based on methacrylated hyaluronic acid (HAMA) loaded with VEGF for the treatment of a thin endometrium by a microfluidic electrospray technique. The generated HAMA microspheres with uniform size, porous structure, and satisfactory biocompatibility increased the drug-loading ability and controlled the drug-release rate by adjusting the hydrogel concentration. Besides, the HAMA microspheres loaded with VEGF showed satisfactory biocompatibility and promoted blood vessel formation in vitro. More importantly, the combination of HA and VEGF promoted new blood vessels and endometrial regeneration of a thin endometrium in vivo. Therefore, the combination of HA and VEGF would be conducive to the development of a drugdelivery microsphere with excellent biocompatibility and therapeutic effect for thin endometrium treatment and other biomedical applications.
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