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The Effects of P75NTR on Learning Memory Mediated by Hippocampal Apoptosis and Synaptic Plasticity

[ Vol. 27 , Issue. 4 ]

Author(s):

Jun-Jie Tang, Shuang Feng, Xing-Dong Chen, Hua Huang, Min Mao, Hai-Yan Wang, Sen Li, Xiu-Min Lu* and Yong-Tang Wang*   Pages 531 - 539 ( 9 )

Abstract:


Neurological diseases bring great mental and physical torture to the patients, and have long-term and sustained negative effects on families and society. The attention to neurological diseases is increasing, and the improvement of the material level is accompanied by an increase in the demand for mental level. The p75 neurotrophin receptor (p75NTR) is a low-affinity neurotrophin receptor and involved in diverse and pleiotropic effects in the developmental and adult central nervous system (CNS). Since neurological diseases are usually accompanied by the regression of memory, the pathogenesis of p75NTR also activates and inhibits other signaling pathways, which has a serious impact on the learning and memory of patients. The results of studies shown that p75NTR is associated with LTP/LTD-induced synaptic enhancement and inhibition, suggest that p75NTR may be involved in the progression of synaptic plasticity. And its proapoptotic effect is associated with activation of proBDNF and inhibition of proNGF, and TrkA/p75NTR imbalance leads to pro-survival or proapoptotic phenomena. It can be inferred that p75NTR mediates apoptosis in the hippocampus and amygdale, which may affect learning and memory behavior. This article mainly discusses the relationship between p75NTR and learning memory and associated mechanisms, which may provide some new ideas for the treatment of neurological diseases.

Keywords:

Nervous system diseases, learning and memory, hippocampus, apoptosis, synaptic plasticity, P75NTR signaling.

Affiliation:

College of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, College of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, College of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, College of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, College of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, State Key Laboratory of Trauma, Burns and Combined Injury, Daping Hospital, Army Medical University, Chongqing 400042, State Key Laboratory of Trauma, Burns and Combined Injury, Daping Hospital, Army Medical University, Chongqing 400042, College of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, State Key Laboratory of Trauma, Burns and Combined Injury, Daping Hospital, Army Medical University, Chongqing 400042



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