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牙本质涎磷蛋白在小鼠牙胚表达的原位杂交研究
引用本文:张蓉,肖明振,赵守亮,徐平西,张春宝,汪平. 牙本质涎磷蛋白在小鼠牙胚表达的原位杂交研究[J]. 实用口腔医学杂志, 2003, 19(4): 346-348
作者姓名:张蓉  肖明振  赵守亮  徐平西  张春宝  汪平
作者单位:1. 西安第四军医大学口腔医学院,710032
2. 西安第四军医大学口腔医学院,神经生物教研室,710032
基金项目:国家自然科学基金 (3980 0 1 55),国家教育部回国人员基金 (2 0 0 0HG0 0 3)
摘    要:
目的 :探讨牙本质涎磷蛋白 (dentinsialophosphoprotein ,DSPP)mRNA在牙齿发育过程中的作用。方法 :采用原位杂交技术 ,观测小鼠牙齿发育各阶段标本中DSPPmRNA的表达。结果 :DSPP在成牙本质细胞的表达始于钟状中期 ,并贯穿以后的各个时期 ;此阶段 ,它还在前成釉细胞及成釉细胞中具有一过性表达。结论 :DSPP在牙胚发育过程中的表达具有时空特异性 ;它可能在牙齿的形成中具有重要作用

关 键 词:牙本质涎磷蛋白  小鼠  牙齿发育  原位杂交
文章编号:1001-3733(2003)-046-0346-03
修稿时间:2002-06-25

Expression of dentin sialophosphoprotein during mouse teeth development studied by in situ hybridization
Zhang Rong,Xiao Mingzhen,Zhao Shouliang,et al.. Expression of dentin sialophosphoprotein during mouse teeth development studied by in situ hybridization[J]. Journal of Practical Stomatology, 2003, 19(4): 346-348
Authors:Zhang Rong  Xiao Mingzhen  Zhao Shouliang  et al.
Affiliation:Zhang Rong,Xiao Mingzhen,Zhao Shouliang,et al.College of Stomatology,Fourth Military Medical University,Xi'an 710032
Abstract:
Objective: To evaluate the function of dentin sialophosphoprotein (DSPP) during mouse teeth development. Methods:Expression of DSPP mRNA in the first molar of Balb/c mice at different developmental stages was detected by in situ hybridization. Resullts: DSPP mRNA in odontoblasts was detected in the samples at middle bell stage and ran through the later stages. In addition, it was detected in ameloblasts as well as in preameloblasts. Conclusion: DSPP expresses with temporospatial characters. It may play an important role in tooth morphogenesis
Keywords:Dentin sialophosphoprotein  Mice  Tooth development  In situ hybridization
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