求翻译：冰冻切片荧光显微镜观察DiL标记的注射UCBMSCs细胞，可见UCBMSCs组在脑损伤大鼠海马CA1区有红色荧光信号表达，表明UCBMSCs注射入脑组织并存活良好。而假手术组、模型组未发现红色荧光信号。见图1。是什么意思？

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Frozen sliced fluorescent microscope DiL mark the injection UCBMSCs cells, it can be seen that UCBMSCs group in brain injury in rat hippocampal CA zone 1 with a red fluorescent signal that indicates UCBMSCs injection into the brain tissue and live well. The fake surgical group, Model Group Not Found

Freezes the slice fluorescence microscope to observe DiL the mark the injection UCBMSCs cell, obviously the UCBMSCs group damages the big mouse seahorse CA1 area in the brain to have the red fluorescence signal expression, indicated UCBMSCs injects into the brain to organize and to survive good.But

Cryo-fluorescence microscope injection marked DiL UCBMSCs cells, UCBMSCs brain injury in rat hippocampal CA1 region there is expression of red fluorescent signal, suggesting that UCBMSCs injected brain tissue and can survive nicely. And Sham-control, model red fluorescence signal was not found. As s

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