透析和溶解介质层细胞分泌物的溶解和冷化,用于伤口愈合
Swapnali Sakhare1, Avinash Sanap2, Ramesh Bhonde2
1Regenerative Medicine Laboratory, Dr. D. Y. Patil Dental College and Hospital, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune 411018, India.
Cytotherapy
|January 17, 2025
概括
透析和冷凍化有效地集中了中基體 stromal 細胞秘密體 (MSC-S) 組件. 这种加工的MSC-S显著增强了伤口愈合和血管生成,提供了一个有前途的治疗方法.
科学领域:
- 生物技术是生物技术.
- 再生医学是一种再生医学.
- 细胞生物学 细胞生物学
背景情况:
- 由于下游处理的局限性,阻碍了中介细胞状细胞分泌体 (MSC-S) 的临床翻译.
- 透析是一种通过半透膜净化蛋白质的传统方法.
- 带衍生MSC分泌体 (UC-MSC-S) 在原生 (S),透析 (DS) 和溶解 (LDS) 形式中用于伤口愈合.
研究的目的:
- 评估透析和冷化对UC-MSC-S组成和生物活性的影响.
- 确定加工UC-MSC-S在促进伤口愈合和血管生成方面的有效性.
- 建立一种具有成本效益的方法来丰富MSC-S中的生物活性成分.
主要方法:
- UC-MSC-S使用20K MWCO录音带进行透析.
- 透析的机密体 (DS) 随后被冷化以获得粉末 (LDS).
- 蛋白质度和生长因子水平 (IL-6,血管蛋白,IL-8,PECAM-1,PIGF,VEGF,TNF-α) 使用LEGEND复合测试进行了分析.
- 伤口关闭和血管生成使用伤口痕和卵黄囊膜测试进行了评估.
主要成果:
- 透析 (DS) 显著降低了总蛋白质度 (86.01倍).
- 解热化 (LDS) 显著增加了总蛋白质度 (613.71倍),并丰富了关键生长因子 (例如,VEGF 2209.42倍).
- 在1μg/μL蛋白质度的LDS显示了最高的伤口关闭率 (64.07%) 和显著的血管生成.
结论:
- 透析之后的冷化是一种简单,具有成本效益的方法,用于分化和丰富MSC-S.
- 这种加工方法可以将生物活性成分缩在不影响疗效的情况下.
- 丰富的LDS分量显示出伤口愈合和再生医学应用的巨大潜力.
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