利用光固化材料調控R3CE的界面共價修飾及其對三維細胞培養的影響

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/91981

Title:	利用光固化材料調控R3CE的界面共價修飾及其對三維細胞培養的影響
Authors:	賴思萍;Lai, Ssu-Ping
Contributors:	化學學系
Keywords:	光固化修飾;調控界面;對基質與三維細胞培養材料連結能力;對三維細胞培養影響
Date:	2023-07-24
Issue Date:	2024-09-19 14:44:52 (UTC+8)
Publisher:	國立中央大學
Abstract:	隨著癌症以及各種慢性病的盛行率逐漸增長，在藥物的測試以及精準下藥的需求也逐漸增加，因此發展出三為細胞培養的技術。目前常見的三維細胞培養技術有支架型（例如：水凝膠、含孔洞固態支架）與無支架型（例如：懸滴培養盤、低附著盤），在市售上常見的則是Matrigel以及Ultra-low培養盤，在實驗室的研究中也使用了許多天然聚合物或合成聚合物來當作三維細胞培養的材料。在本篇論文中，使用Kollicaot@IR 此種具有聚乙烯醇（PVA）以及聚乙二醇（PEG）結構之高分子材料來當作表面材料，且將4-azidobenzoic acid此種光固化官能基利用共價鍵結連接於聚乙烯醇的羥基（-OH）上，經由紫外線波長365nm的照射後使N2離去後產生活化機構，光固化官能基能夠固定在細胞培養板上，應用在R3CE（Rapid, Reproducible, Rare Cell 3D Expansion）細胞培養技術上，觀察此光固化共聚合物材料對於R3CE平台的連結以及此種材料所帶來的功效是否影響原本的R3CE平台。實驗中使用HCT-116細胞，觀察到細胞依然會形成球體，還可以將球體細胞大小控制在100 μm左右，可利於後續下藥實驗的分析。;With the increasing prevalence of cancer and various chronic diseases, the demand for drug testing and precise drug delivery has been steadily rising, leading to the development of three-dimensional cell culture techniques. Currently, common three-dimensional cell culture techniques include scaffold-based approaches (such as hydrogels and porous solid scaffolds) and scaffold-free approaches (such as hanging drop culture and low-attachment plates). The commonly used commercial options include Matrigel and Ultra-low culture plates, while in laboratory research, many natural or synthetic polymers have been used as materials for three-dimensional cell culture. In this paper, we utilized a material called Kollicaot@IR, which consists of polyvinyl alcohol (PVA) and polyethylene glycol (PEG), as the surface material. We connected a photocurable functional group, 4-azidobenzoic acid, to the hydroxyl groups (-OH) of polyvinyl alcohol. By irradiating it with ultraviolet light at a wavelength of 365nm, nitrogen gas (N2) is removed, allowing the photocurable functional group to be immobilized on the cell culture plate. This light-curable copolymer material was applied to the Rapid, Reproducible, Rare Cell 3D Expansion (R3CE) cell culture technique to investigate its impact on the R3CE platform and whether it offers advantages over the original R3CE platform. HCT-116 cells were used in the experiments, and it was observed that the cells still formed spheres, with the size of the spherical cells controlled at approximately 100 μm, facilitating subsequent analysis in drug testing experiments.
Appears in Collections:	[Graduate Institute of Chemistry] Electronic Thesis & Dissertation

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