ROSA26小鼠中枢神经系统半乳糖苷酶的表达与分布
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江苏省自然科学基金资助(BK2006576和BK2006232)


The expression and distribution of β-galactosidase in the central nervous system of ROSA26 mouse
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    摘要:

    目的:观察成年ROSA26小鼠中枢神经系统半乳糖苷酶(X-Gal)的表达与分布-方法:应用X-Gal组织化学结合尼氏染色及免疫组织化学双标技术研究β-gal在该嵌合体脑内的表达与分布特征-结果:X-Gal组织化学染色显示在该线系小鼠脑和脊髓中均广泛表达转基因β-gal活性产物,但以灰质为主-X-Gal 和尼氏双重染色表明,β-gal在神经元-室管膜细胞和脉络丛上皮细胞中均有表达-免疫组化进一步显示β-gal广泛表达于神经元中,但在星形胶质细胞中则未见表达-结论:ROSA26小鼠中枢神经细胞稳定而广泛的表达β-gal, 此转基因模式动物将可用于神经细胞培养-移植及其它相关神经生物学研究-

    Abstract:

    Objective:To observe the expression and distribution of β-galactosidase in the central nervous system(CNS) of adult ROSA26 mouse. Methods:X-Gal histochemistry combined with Nissl’s or immunohistochemistry double-staining was performed to localize β-gal activity in the ROSA26 mouse CNS. Results:X-Gal histochemistry staining showed that transgenic β-gal reaction products were throughout the central nervous system, but mainly located at the grey matter. X-Gal and Nissl’s double-staining showed that β-gal expressed in neurons, ependymal cells and choroid plexus cells. X-Gal histochemistry combined with immunohistochemistry further revealed that β-galactosidase was ubiquitous expression in neurons except astrocytes. Conclusion:β-gal is extensively and stably expressed in the ROSA26 mouse CNS. This transgenic line may be useful in nerve cell culture, transplantation and other neurobiological studies.

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刘秀玲,苏 阳,方 杰,肖 明,韩群颖,丁 炯. ROSA26小鼠中枢神经系统半乳糖苷酶的表达与分布[J].南京医科大学学报(自然科学版),2009,29(3):308-311

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  • 收稿日期:2008-08-29
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