iTRAQ proteomic analysis of the hippocampus in a rat model of nicotine-induced conditioned place preference

被引：9

作者：

Zhu, Beibei ^{[1
]}

Li, Xiangyu ^{[1
]}

Chen, Huan ^{[1
]}

Wang, Hongjuan ^{[1
]}

Zhu, Xinchao ^{[1
]}

Hou, Hongwei ^{[1
]}

Hu, Qingyuan ^{[1
]}

机构：

[1] China Natl Tobacco Qual Supervis & Test Ctr, Zhengzhou 450001, Peoples R China

来源：

BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | 2017年 / 486卷 / 04期

关键词：

Nicotine; Conditioned place preference; Hippocampus; iTRAQ; Proteomics; GENE-EXPRESSION; PROTEINS; NEURONS; DRUGS; SCHIZOPHRENIA; NEUROGENESIS; ASSOCIATION; ACTIVATION; PLASTICITY; ADDICTION;

D O I：

10.1016/j.bbrc.2017.03.141

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Repeated exposures to nicotine are known to result in persistent changes in proteins expression in addiction-related brain regions, such as the striatum, nucleus accumbens and prefrontal cortex, but the changes induced in the protein content of the hippocampus remain poorly studied. This study established a rat model of nicotine-induced conditioned place preference (CPP), and screened for proteins that were differentially expressed in the hippocampus of these rats using isobaric tags for relative and absolute quantitation labeling (iTRAQ) coupled with 2D-LC MS/MS. The nicotine-induced CPP was established by subcutaneously injecting rats with 0.2 mg/kg nicotine. Relative to the control (saline) group, the nicotine group showed 0.67- and 1.5-fold changes in 117 and 10 hippocampal proteins, respectively. These differentially expressed proteins are mainly involved in calcium-mediated signaling, neurotransmitter transport, GABAergic synapse function, long-term synaptic potentiation and nervous system development. Furthermore, RT-PCR was used to confirmed the results of the proteomic analysis. Our findings identify several proteins and cellular signaling pathways potentially involved in the molecular mechanisms in the hippocampus that underlie nicotine addiction. These results provide insights into the mechanisms of nicotine treatment in hippocampus. (C) 2017 Elsevier Inc. All rights reserved.

引用

页码：971 / 977

页数：7

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