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一个功能性的3D全厚度模型,用于理解气道上皮和囊性纤维化结合组织之间的相互作用

Claudia Mazio¹, Laura Sara Scognamiglio¹, Costantino Casale²

¹Istituto Italiano di Tecnologia-IIT, Center for Advanced Biomaterials for Healthcare, Largo Barsanti e Matteucci 53, 80125, Napoli, Italy.

|March 29, 2024

概括

一个新的3D模型复制了囊性纤维化 (CF) 肺组织,显示了上皮和结缔组织相互作用. 该模型有助于了解CF疾病进展和炎症,这对于开发新疗法至关重要.

科学领域:

生物医学工程生物医学工程
肺部医学肺部医学
细胞生物学细胞生物学

背景情况:

囊性纤维化 (CF) 导致严重的肺部疾病与持续的炎症和纤维化.
目前的CFTR调节器疗法可以改善CFTR功能,但不能完全解决炎症和重塑.
现有的动物和实验室模型无法完全捕捉CF的复杂病理,特别是纤维化重塑.

研究的目的:

开发一个新的3D全厚度模型的囊性纤维化 (CF) 呼吸道组织.
为了研究CF支气管上皮和结缔组织之间的交叉声.
为研究CF疾病机制,进展和治疗反应提供一个平台.

主要方法:

开发了一个3D模型,使用在连接性气道组织上分化的人类支气管上皮质.
纳入CF或健康的上皮和结缔组织以模拟疾病变异.
分析了表皮分化,迁移,腺体形成和基因表达 (转录组).

主要成果:

3D模型成功地复制了粘膜细胞分化和腺状结构的形成.
表皮连接组织相互作用促进了前炎性反应和纤维细胞激活.
转录组分析揭示了基于结缔组织类型的独特CF上皮行为,反映了疾病的进展.

结论:

开发的3D全厚度模型准确地代表了CF中的上皮-连接组织交叉.
这种模型有助于更深入地了解CF的发病,炎症和纤维化重塑.
它是评估囊性纤维化研究中治疗策略的宝贵工具.

关键词:

3D体外模型 3D体外模型囊性纤维化症是什么皮质/体交叉的交叉链.全厚度的全厚度的炎症炎症是一种炎症.组织改造组织改造

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