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Up-regulation of NFATc4 Involves in Neuronal Apoptosis Following Intracerebral Hemorrhage

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Abstract

Nuclear factor of activated T-cells, cytoplasmic 4 (NFATc4), a transcriptional factor, is involved in the control about the flow of genetic information and the modulation of diverse cellular activities. Accumulating evidence has demonstrated that NFATc4 exerted a pro-apoptotic effect in multiple diseases. Here, we explored the NFATc4’s roles during the pathophysiological processes of intracerebral hemorrhage (ICH). An ICH rat model was built and evaluated according to behavioral testing. Using Western blot, immunohistochemistry, and immunofluorescence, significant up-regulation of NFATc4 was found in neurons in brain areas surrounding the hematoma following ICH. Increasing NFATc4 expression was found to be accompanied by the up-regulation of Fas ligand (FasL), active caspase-8, and active caspase-3, respectively. Besides, NFATc4 co-localized with active caspase-3 in neurons, indicating its role in neuronal apoptosis. Our in vitro study, using NFATc4 RNA interference in PC12 cells, further confirmed that NFATc4 might exert its pro-apoptotic function in neuronal apoptosis through extrinsic pathway. Thus, NFATc4 may play a role in promoting the brain secondary damage following ICH.

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We declare that we do not have any commercial or associative interest that represents a conflict of interest in connection with the work submitted.

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Correspondence to Maohong Cao.

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Lei Li and Kaifu Ke contributed equally to this work.

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Li, L., Ke, K., Tan, X. et al. Up-regulation of NFATc4 Involves in Neuronal Apoptosis Following Intracerebral Hemorrhage. Cell Mol Neurobiol 33, 893–905 (2013). https://doi.org/10.1007/s10571-013-9955-2

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