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Study of Localization of Response to Fibroblast Growth Factor-2 in Murine Calvaria Using Raman Spectroscopic Imaging

机译:使用拉曼光谱成像对小鼠Calvaria中成纤维细胞生长因子-2的定位研究

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Raman spectral imaging provides the means to study spatially localized response to controlled external perturbations to tissue specimens with light microscopy resolution. We discuss use of heparin-acrylic microbeads soaked with the protein fibroblast growth factor-2 (FGF2). Microbeads containing FGF2 are placed in murine calvarial tissue and stimulate abnormally rapid mineralization. The tissue response simulates the effects of craniosynostosis, a birth defect occurring in 1 in 2400 live births. We describe Raman imaging measurements of the spatial distribution of apatitic mineral and matrix (predominantly type I collagen) from normal murine calvarial tissue and murine calvarial tissue modeling craniosynostosis. We also discuss spectroscopic evaluation of the state of the mineral induced by the FGF2 beads.
机译:拉曼光谱成像提供了研究空间局部响应的方法,以控制具有光学显微镜分辨率的组织样本的外部扰动。我们讨论使用浸泡的蛋白酶成纤维细胞生长因子-2(FGF2)的肝素 - 丙烯酸微珠。含有FGF2的微珠置于小鼠颅骨组织中并刺激异常快速的矿化。组织反应模拟了颅骨,在2400个活产前发生的出生缺陷的影响。我们描述了来自普通鼠颅骨组织和鼠颅骨组织建模颅骨肌肤癌的素矿物和基质(主要型I胶原蛋白)的空间分布的拉曼成像测量。我们还讨论了FGF2珠粒诱导的矿物状态的光谱评价。

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