lncRNA NONRATT021972 siRNA Decreases Diabetic Neuropathic Pain Mediated by the P2X3 Receptor in Dorsal Root Ganglia

被引：0
作者：
Haiying Peng
Lifang Zou
Jinyan Xie
Hong Wu
Bing Wu
Gaochun Zhu
Qiulan Lv
Xi Zhang
Shuangmei Liu
Guilin Li
Hong Xu
Yun Gao
Changshui Xu
Chunping Zhang
Shouyu Wang
Yun Xue
Shangdong Liang
机构：
[1] Medical College of Nanchang University,Department of Physiology
来源：
Molecular Neurobiology | 2017年 / 54卷
关键词：
P2X; receptor; Long noncoding RNA; Diabetic neuropathic pain; Dorsal root ganglia;
D O I：
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学科分类号：
摘要：
Long noncoding RNAs (lncRNAs) participate in physiological and pathophysiological processes. Type 2 diabetes mellitus (T2DM) accounts for more than 90 % of all cases of diabetes mellitus (DM). Diabetic neuropathic pain (DNP) is a common complication of T2DM. The aim of this study was to investigate the effects of lncRNA NONRATT021972 small interference RNA (siRNA) on DNP mediated by the P2X3 receptor in dorsal root ganglia (DRG). These experiments showed that the expression levels of NONRATT021972 in DRG were increased in the T2DM rat model (intraperitoneal injection of STZ with 30 mg/kg). The concentration of NONRATT021972 in T2DM patient serum was higher compared to control healthy subjects. The mechanical withdrawal threshold (MWT) and thermal withdrawal latency (TWL) in T2DM rats were lower compared to control rats. MWT and TWL in T2DM rats treated with NONRATT021972 siRNA were higher compared with those in T2DM rats. The expression levels of the P2X3 protein and messenger RNA (mRNA) of T2DM rat DRG were higher compared to the control, while those in T2DM rats treated with NONRATT021972 siRNA were significantly lower compared to T2DM rats. The level of tumor necrosis factor-α (TNF-α) in the serum of T2DM rats treated with NONRATT021972 siRNA was significantly decreased compared with T2DM rats. NONRATT021972 siRNA inhibited the phosphorylation and activation of ERK1/2 in T2DM DRG. Thus, NONRATT021972 siRNA treatment may suppress the upregulated expression and activation of the P2X3 receptor and reduce the hyperalgesia potentiated by the pro-inflammatory cytokine TNF-α in T2DM rats.
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页码：511 / 523
页数：12
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