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    题名: Hanging drop culture reprograms mesenchymal stem cell transcriptome to enhance cell delivery efficiency via attenuated pulmonary entrapment
    作者: 陳紹寬
    Chen, Shau-Kwaun;Lee, Hsiang-Tzu;Fu, Sheng-Yung;Weng, Wei-Han;Chao, Wei-Chen;Hsu, Yu-Pao;Yang, Nan-Ping;Chen, Yu-Hsu;Chang, Chien-Wen
    贡献者: 神科所
    关键词: Mesenchymal stem cell;Hanging drop method;Three-dimensional cell culture;Chemotaxis;Lung trapping
    日期: 2025-09
    上传时间: 2025-11-13 10:59:04 (UTC+8)
    摘要: The three-dimensional (3D) culture system has emerged as an indispensable platform for modulating stem cell function in biomedicine, drug screening, and cell therapy. Despite a few studies confirming the functionality of 3D culture, the molecular factors underlying this process remain obscure. Here, we have utilized a hanging drop method to generate 3D spheroid-derived mesenchymal stem cells (3D MSCs) and compared them to conventionally 2D-cultured MSCs. The results showed that 3D MSCs exhibited distinct phenotypic features than 2D-cultured MSCs and expressed different transcriptional responses, as found from RNA-Seq analysis. Gene ontology (GO) annotations and KEGG pathway mapping pinpointed that the 3D MSCs responded more actively to incoming signals as they upregulated receptors and cytokine production while downregulating proteolysis-, cytoskeletal-, extracellular matrix-, and adhesion-related genes. Functionally, these MSCs also displayed enhanced chemotaxis and improved pulmonary transgression post-intravenous injection. This study provides mechanistic insights on addressing a significant limitation of MSC therapy: pulmonary entrapment after systemic delivery. Moreover, upregulated pluripotency-associated genes, such as Oct4, Sox2, and Nanog, suggest that the 3D MSCs possessed enhanced stemness and regenerative capacity. The results indicate that 3D spheroid culture reshapes MSC transcriptomic and functional profiles and emerges as a promising strategy for improving their therapeutic potential in regenerative medicine.
    關聯: Drug Delivery and Translational Research, Vol.15, pp.4187-4201
    数据类型: article
    DOI 連結: https://doi.org/10.1007/s13346-025-01927-4
    DOI: 10.1007/s13346-025-01927-4
    显示于类别:[神經科學研究所] 期刊論文

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