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Evaluation of the Potential of Collagen from Codfish Skin as a Biomaterial for Biomedical Applications

机译:鳕鱼皮肤中胶原蛋白作为生物医学应用生物材料的潜力评估

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摘要

Collagen is one of the most widely used biomaterials, not only due its biocompatibility, biodegradability and weak antigenic potential, but also due to its role in the structure and function of tissues. Searching for alternative collagen sources, the aim of this study was to extract collagen from the skin of codfish, previously obtained as a by-product of fish industrial plants, and characterize it regarding its use as a biomaterial for biomedical application, according to American Society for Testing and Materials (ASTM) Guidelines. Collagen type I with a high degree of purity was obtained through acid-extraction, as confirmed by colorimetric assays, SDS-PAGE and amino acid composition. Thermal analysis revealed a denaturing temperature around 16 °C. Moreover, collagen showed a concentration-dependent effect in metabolism and on cell adhesion of lung fibroblast MRC-5 cells. In conclusion, this study shows that collagen can be obtained from marine-origin sources, while preserving its bioactivity, supporting its use in biomedical applications.
机译:胶原蛋白是使用最广泛的生物材料之一,不仅因为其生物相容性,可生物降解性和弱的抗原潜力,而且还由于其在组织的结构和功能中的作用。为了寻找其他胶原蛋白来源,这项研究的目的是从鳕鱼的皮肤中提取胶原蛋白,该蛋白先前是作为鱼类工业植物的副产品而获得的,并就其作为生物医学应用生物材料的用途进行了表征。用于测试和材料(ASTM)指南。通过比色测定,SDS-PAGE和氨基酸组成证实,通过酸提取可得到高纯度的I型胶原。热分析显示变性温度约为16°C。此外,胶原蛋白在肺成纤维细胞MRC-5细胞的代谢和细胞粘附中显示出浓度依赖性的作用。总之,这项研究表明,胶原蛋白可以从海洋来源获得,同时保留其生物活性,从而支持其在生物医学应用中的使用。

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