Abstract
The hippocampus is critical for memory and emotion and both N-methyl-D-aspartate (NMDA) and α-amino-3-hydroxy-5-methyl- 4-isoxazolepropionic acid (AMPA) receptors are known to contribute for those processes. However, the underlying molecular mechanisms remain poorly understood. We have previously found that mice undergo memory decline upon dcf1 deletion through ES gene knockout. In the present study, a nervous system-specific dcf1 knockout (NKO) mouse was constructed, which was found to present severely damaged neuronal morphology. The damaged neurons caused structural abnormalities in dendritic spines and decreased synaptic density. Decreases in hippocampal NMDA and AMPA receptors of NKO mice lead to abnormal long term potentiation (LTP) at DG, with significantly decreased performance in the water maze, elevated- plus maze, open field and light and dark test. Investigation into the underlying molecular mechanisms revealed that dendritic cell factor 1 (Dcf1) contributes for memory and emotion by regulating NMDA and AMPA receptors. Our results broaden the understanding of synaptic plasticity’s role in cognitive function, thereby expanding its known list of functions.
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Acknowledgements
This work was supported by the National Science Foundation of China (Grant Nos. 81271253, and 81471162), the Science and Technology Commission of Shanghai (Grant No. 14JC1402400), and the Key Innovation Project of Shanghai Municipal Education Commission (Grant No. 14ZZ090).
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Wang, Y., Liu, Q., Xie, J. et al. Dcf1 Affects Memory and Anxiety by Regulating NMDA and AMPA Receptors. Neurochem Res 44, 2499–2505 (2019). https://doi.org/10.1007/s11064-019-02866-6
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DOI: https://doi.org/10.1007/s11064-019-02866-6