Abstract
Cerebral ischemia represents a severe brain injury that could lead to significant neuronal damage and death. In this study, we performed a middle cerebral artery occlusion (MCAO) in adult rats and observed that a subunit of nuclear factor-Y (NF-Y) transcriptional factor, NF-YC, was accumulated in rat hippocampal CA1 neurons. Immunochemistrical and immunofluorescent analysis revealed that NF-YC was primarily expressed in the nucleus of neurons. Meanwhile, we found that the changes of bim, one of the target genes of NF-Y, were consistent with the expression of NF-YC and Bim was mainly located in the NF-YC positive cells. Moreover, there was a concomitant upregulation of active caspase-3 and TUNEL positive cells. Taken together, these results suggested that the upregulation of NF-YC might play an important role in the pathophysiology via proapoptotic protein Bim after MCAO and further research is needed to have a better understanding of its function and mechanism.
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This work was supported by the National Natural Science Foundation of China (no. 81300720).
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Yunfeng Wang, Chunhua Wan, Junkang Jiang, and Gang Cui have contributed equally to this work.
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Wang, Y., Wan, C., Yu, S. et al. Upregulated Expression of NF-YC Contributes to Neuronal Apoptosis via Proapoptotic Protein Bim in Rats’ Brain Hippocampus Following Middle Cerebral Artery Occlusion (MCAO). J Mol Neurosci 52, 552–565 (2014). https://doi.org/10.1007/s12031-013-0111-8
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DOI: https://doi.org/10.1007/s12031-013-0111-8