Modular micro-vascular hydrogels with MSCs loading for localized scleroderma treatment

IF 13.3 1区 工程技术 Q1 ENGINEERING, CHEMICAL
Rui Liu, Bin Kong, Junjie Lu, Dandan Wang, Yuanjin Zhao, Lingyun Sun
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引用次数: 0

Abstract

Localized scleroderma (LoS) is an autoimmune connective tissue disease affecting the skin and internal organs, and current medications cannot cure it. Mesenchymal stem cells (MSCs) show great promise in treating autoimmune diseases, but the successful integration of MSCs with host tissues remains a challenge due to the absence of a functional vascular system. Here, we propose a novel injectable modular micro-vascular MSCs hydrogel (MVM-Gel) for localized scleroderma treatment. The modular endothelialized microvessels were constructed using a microfluidic technology combined with selective photopolymerization. The MSCs hydrogels were achieved by simply dispersing the generated microvessels into MSCs loaded fibrinogen solution. We have demonstrated that the MVM-Gel were with good injectable properties. Besides, these encapsulated MSCs could promote endothelial cell migration and expansion and secrete relevant factors to inhibit inflammation and promote repair. Thus, transplantation of MVM-Gel can significantly reduce inflammation, alleviate collagen deposition, promote vascular tissue formation, and inhibit fibrosis and peripheral inflammation in LoS mice. We believe that our injectable MVM-Gel will provide a potential option for the clinical treatment of topical scleroderma.
装载MSCs的模块化微血管水凝胶用于局部硬皮病治疗
局限性硬皮病(LoS)是一种影响皮肤和内脏器官的自身免疫性结缔组织疾病,目前的药物无法治愈。间充质干细胞(MSCs)在治疗自身免疫性疾病方面显示出巨大的希望,但由于缺乏功能性血管系统,MSCs与宿主组织的成功整合仍然是一个挑战。在这里,我们提出了一种新的可注射的模块化微血管MSCs水凝胶(MVM-Gel)用于局部硬皮病的治疗。采用微流控技术结合选择性光聚合技术构建模块化内皮化微血管。通过简单地将生成的微血管分散到装载纤维蛋白原的MSCs溶液中,可以获得MSCs水凝胶。结果表明,mvm -凝胶具有良好的注射性能。此外,这些被包被的MSCs可以促进内皮细胞的迁移和扩张,并分泌相关因子来抑制炎症和促进修复。由此可见,移植MVM-Gel可显著减轻LoS小鼠的炎症反应,减轻胶原沉积,促进血管组织形成,抑制纤维化和外周炎症。我们相信,我们的注射mvm凝胶将为局部硬皮病的临床治疗提供一个潜在的选择。
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来源期刊
Chemical Engineering Journal
Chemical Engineering Journal 工程技术-工程:化工
CiteScore
21.70
自引率
9.30%
发文量
6781
审稿时长
2.4 months
期刊介绍: The Chemical Engineering Journal is an international research journal that invites contributions of original and novel fundamental research. It aims to provide an international platform for presenting original fundamental research, interpretative reviews, and discussions on new developments in chemical engineering. The journal welcomes papers that describe novel theory and its practical application, as well as those that demonstrate the transfer of techniques from other disciplines. It also welcomes reports on carefully conducted experimental work that is soundly interpreted. The main focus of the journal is on original and rigorous research results that have broad significance. The Catalysis section within the Chemical Engineering Journal focuses specifically on Experimental and Theoretical studies in the fields of heterogeneous catalysis, molecular catalysis, and biocatalysis. These studies have industrial impact on various sectors such as chemicals, energy, materials, foods, healthcare, and environmental protection.
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