优化脱细胞化人类脉作为血管组织工程的支架
Danang Himawan Limanto1,2,3, Thomas Jatiman2, Ni Kadek Sulistyaningsih2
1Doctoral Program of Medical Science, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia.
Tissue engineering. Part C, Methods
|January 23, 2026
概括
一个0.5%的二甲基硫酸盐 (SDS) 溶液6小时有效地脱细胞化人类静脉 (HUVs),保持细胞外基质 (ECM) 和生物相容性用于血管组织工程.
科学领域:
- 生物材料科学 生物材料科学
- 组织工程是组织工程.
- 心血管研究研究心血管研究
背景情况:
- 越来越多的心血管疾病需要先进的血管移植解决方案.
- 脱细胞化的人类脉 (HUV) 是一个有前途的生物相容性支架.
- 细胞外基质 (ECM) 的保存是移植功能的关键.
研究的目的:
- 评估基于二甲基硫酸盐 (SDS) 的HUV脱细胞化协议.
- 为了优化HUV准备用于随后的干细胞播种.
- 评估SDS度和持续时间对HUV脱细胞化的有效性.
主要方法:
- 人的静脉 (HUV) 经过了使用不同SDS度 (0.5%,1%) 和持续时间 (6,12,24小时) 的脱细胞化.
- 分析了基架的DNA含量,细胞活力 (MTT测定),原蛋白/弹性质保留和组织学变化.
- 在脱细胞化后使用冷干燥和玛杀菌.
主要成果:
- 最佳方案 (0.5%SDS,6小时) 显著降低了细胞性和DNA含量.
- 细胞活力仍然很高 (87.05 ± 17.14%),与对照组 (84.79 ± 14.3%) 相比.
- 保持了原和弹性质的保留,表明完整的ECM结构.
结论:
- 0.5%的SDS,6小时的协议对HUV脱细胞化是有效的.
- 这种方法成功地去除细胞组件,同时保持ECM的完整性.
- 准备好的HUV支架适用于血管组织工程应用.
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