Riboflavin-Induced Photocrosslinking of Highly Concentrated Collagen: Printing Accuracy, Degradation Time, and Cytocompatibility

IF 1 4区 生物学 Q4 BIOTECHNOLOGY & APPLIED MICROBIOLOGY
N. V. Arguchinskaya, E. E. Beketov, E. V. Isaeva, A. A. Kisel, P. S. Eremin, S. A. Ivanov, P. V. Shegay, A. D. Kaprin
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引用次数: 0

Abstract

The effect of riboflavin-induced collagen photocrosslinking on the scaffold printing accuracy, namely on the area of formed niches and filament thickness, as well as on the degradation time and biocompatibility of scaffolds, has been studied. The thickness of the filaments in the riboflavin-modified scaffolds was 13–29% less and the niche area was 23–40% larger than in the control group without riboflavin. The riboflavin addition reduced weight loss and increased the scaffold degradation time in the buffer solution and collagenase solution by 1.2–1.3, and 1.4–2.0 times, respectively, depending on the time of exposure to UV light. The existence of an optimal illumination interval was established. Cultivation of mesenchymal stem cells on a riboflavin-crosslinked scaffold for a week did not lead to a decrease in their viability and proliferation rate.

Abstract Image

Abstract Image

核黄素诱导的高浓度胶原蛋白光交联:印刷精度、降解时间和细胞相容性
研究了核黄素诱导的胶原光交联对支架打印精度的影响,即对形成的壁龛面积和细丝厚度的影响,以及对支架降解时间和生物相容性的影响。与未添加核黄素的对照组相比,经核黄素修饰的支架的纤维厚度减少了13-29%,生态位面积增加了23-40%。在缓冲液和胶原酶溶液中,核黄素的添加减少了重量损失,使支架降解时间分别增加了1.2-1.3倍和1.4-2.0倍,这取决于暴露在紫外线下的时间。建立了最优光照间隔的存在性。在核黄素交联支架上培养间充质干细胞一周后,其活力和增殖率均未下降。
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来源期刊
Applied Biochemistry and Microbiology
Applied Biochemistry and Microbiology 生物-生物工程与应用微生物
CiteScore
1.70
自引率
12.50%
发文量
75
审稿时长
6-12 weeks
期刊介绍: Applied Biochemistry and Microbiology is an international peer reviewed journal that publishes original articles on biochemistry and microbiology that have or may have practical applications. The studies include: enzymes and mechanisms of enzymatic reactions, biosynthesis of low and high molecular physiologically active compounds; the studies of their structure and properties; biogenesis and pathways of their regulation; metabolism of producers of biologically active compounds, biocatalysis in organic synthesis, applied genetics of microorganisms, applied enzymology; protein and metabolic engineering, biochemical bases of phytoimmunity, applied aspects of biochemical and immunochemical analysis; biodegradation of xenobiotics; biosensors; biomedical research (without clinical studies). Along with experimental works, the journal publishes descriptions of novel research techniques and reviews on selected topics.
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