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  • Title: [Relationship between expression of nestin in experimental brain contusion and injury time].
    Author: Jia DM, He GL, Zhou YW, Deng WN, Sun LJ, Dai JP, Liu L, Xu XH.
    Journal: Fa Yi Xue Za Zhi; 2006 Jun; 22(3):161-4. PubMed ID: 16856331.
    Abstract:
    OBJECTIVE: To observe the alteration of nestin intervals in the experimental traumatic brain injury and investigate its relation to the injury intervals. METHODS: The rat brain contusion was conducted by falling impact injury. After various survival interval (0.5, 6, 12 h and 1, 3, 7, 14, 28 d), immunohistochemical SP method was used for observing the expression of nestin in the cortex, hippocampal dentate gyrus and the corpus callosum on injury side. RESULTS: Expression of nestin positive cells increased at 0.5 h and reached the maximum level in 7 d after brain contusion, then the expression decreased gradually. The intensity of nestin staining in the the cortex and the hippocampal dentate gyrus decreased to normal on 28 d. As to the corpus callosum of injury side it remained weak on 28 d. CONCLUSION: The changes of nestin immunohistochemical staining can be used as an index for forensic estimation of early injury time.
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