方法对比
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| 划痕伤口测定法× | 骨形态发生蛋白（BMP）释放测定× | |
|---|---|---|
| 领域 | 生物材料 | 生物材料 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 2007 | 1965 |
| 提出者≠ | Liang, Park, and Guan | Marshall Urist |
| 类型≠ | Migration assessment | Kinetic release assay |
| 开创性文献≠ | Liang, C. C., Park, A. Y., & Guan, J. L. (2007). In vitro scratch assay: a convenient and inexpensive method for analysis of cell migration in vitro. Nature Protocols, 2(2), 329-333. DOI ↗ | Urist, M. R. (1965). Bone: formation by autoinduction. Science, 150(3698), 893-899. DOI ↗ |
| 别名 | wound healing assay, gap closure assay, migration assay | BMP release kinetics, BMP elution profile, growth factor release assay |
| 相关 | 4 | 4 |
| 摘要≠ | The scratch wound assay (also called the wound healing assay or gap closure assay) is a simple, cost-effective method for measuring cell migration in vitro. Developed and standardized by Liang, Park, and Guan in 2007, the assay involves creating a defined gap (wound) in a monolayer of confluent cells using a pipette tip or specialized tool, then monitoring the rate at which cells migrate into the gap over hours to days. The scratch wound assay is widely used to evaluate the effects of growth factors, inhibitory compounds, and biomaterial extracts on cell motility and wound healing potential. | The bone morphogenetic protein (BMP) release assay measures the kinetics and amount of BMP elution from a biomaterial carrier over time. BMP-2, BMP-6, BMP-7, and BMP-9 are potent osteoinductive growth factors discovered by Marshall Urist in 1965 that trigger bone and cartilage formation. When loaded into scaffolds, hydrogels, or implants, BMPs must be released in a controlled manner to maximize biological effect while minimizing systemic exposure. The release assay quantifies how much BMP is present in the surrounding medium at defined timepoints, enabling optimization of carrier materials and release profiles for bone regeneration and fracture healing applications. |
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