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首页> 外文期刊>Journal of cellular biochemistry. >Down‐regulated long non‐coding RNA ANRIL restores the learning and memory abilities and rescues hippocampal pyramidal neurons from apoptosis in streptozotocin‐induced diabetic rats via the NF‐κB signaling pathway
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Down‐regulated long non‐coding RNA ANRIL restores the learning and memory abilities and rescues hippocampal pyramidal neurons from apoptosis in streptozotocin‐induced diabetic rats via the NF‐κB signaling pathway

机译:下调长期非编码RNA AnRil恢复学习和记忆能力,并通过NF-κB信号通路从链脲佐菌素诱导的糖尿病大鼠中拯救海马金字塔神经元

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摘要

Abstract Diabetes often causes learning and memory deficits, which leads to unfavorable behavioral performance. In this study, we investigated the effects of long non‐coding RNA (lncRNA) ANRIL on learning, memory abilities, and hippocampal neuronal apoptosis via the NF‐κB signaling pathway in streptozotocin (STZ)‐induced diabetic rats. After successful establishment of diabetic rat models, the subjects were then assigned into the DM, DM?+?si‐ANRIL, DM?+?si‐negative control (si‐NC) groups, as well as an additional normal group. Morris water maze test was employed to assess behavioral performance of rats, followed by the recording of body weight and blood glucose levels. Expressions of ANRIL, NF‐κB signaling pathway‐related, and apoptosis‐related genes were examined by qRT‐PCR and western blotting. Rat hippocampus expression levels of cleaved‐caspase‐3 were determined by immunofluorescence. Cell apoptosis was examined by TUNEL assay. Versus to the normal group, revealed there to be activation of the NF‐κB signaling pathway, decreased weight, increased blood glucose, increased escape latency, reduced residence time, memory impairment, increased cleaved‐caspase‐3 expression, and increased apoptosis were detected in the DM and DM?+?si‐NC groups. The DM?+?si‐ANRIL group exhibited inhibited NF‐κB signaling pathway, weight loss, decreased blood glucose, recovered memory, decreased cleaved‐caspase‐3 expression and reduced apoptosis compared to the DM group, with higher weight of rats, lower blood glucose levels, and stronger memory abilities in the DM?+?si‐ANRIL group. Taken together, these findings indicate that silencing lncRNA ANRIL promotes memory recovery and decreases hippocampal neurons apoptosis in diabetic rats through the inhibition of the NF‐κB signaling pathway.
机译:摘要糖尿病常导致学习记忆障碍,导致不良的行为表现。在本研究中,我们通过链脲佐菌素(STZ)诱导的糖尿病大鼠的NF-κB信号通路,研究了长非编码RNA(lncRNA)ANRIL对学习、记忆能力和海马神经元凋亡的影响。成功建立糖尿病大鼠模型后,受试者被分配到DM,DM?+?si-ANRIL,DM?+?si-阴性对照(si-NC)组,以及其他正常组。采用Morris水迷宫试验评估大鼠的行为表现,然后记录体重和血糖水平。通过qRT-PCR和western印迹检测ANRIL、NF-κB信号通路相关和凋亡相关基因的表达。通过免疫荧光法测定大鼠海马中裂解的caspase-3的表达水平。TUNEL法检测细胞凋亡。与正常组相比,在DM和DM?+组中检测到NF-κB信号通路激活、体重下降、血糖升高、逃逸潜伏期延长、停留时间缩短、记忆损伤、切割型半胱氨酸蛋白酶-3表达增加以及凋亡增加?si-NC组。DM?+?与DM组相比,si-ANRIL组表现出NF-κB信号通路受到抑制、体重减轻、血糖降低、记忆恢复、切割的caspase-3表达降低和细胞凋亡减少,DM组大鼠体重增加、血糖水平降低、记忆能力增强?si-ANRIL集团。综上所述,这些发现表明,沉默lncRNA-ANRIL可通过抑制NF-κB信号通路促进糖尿病大鼠的记忆恢复并减少海马神经元凋亡。

著录项

  • 来源
    《Journal of cellular biochemistry.》 |2018年第7期|共13页
  • 作者单位

    Key Laboratory for Biotechnology on Medicinal Plants of Jiangsu ProvinceJiangsu Normal;

    Key Laboratory for Biotechnology on Medicinal Plants of Jiangsu ProvinceJiangsu Normal;

    Key Laboratory for Biotechnology on Medicinal Plants of Jiangsu ProvinceJiangsu Normal;

    Key Laboratory for Biotechnology on Medicinal Plants of Jiangsu ProvinceJiangsu Normal;

    Key Laboratory for Biotechnology on Medicinal Plants of Jiangsu ProvinceJiangsu Normal;

    Key Laboratory for Biotechnology on Medicinal Plants of Jiangsu ProvinceJiangsu Normal;

    Key Laboratory for Biotechnology on Medicinal Plants of Jiangsu ProvinceJiangsu Normal;

    Key Laboratory for Biotechnology on Medicinal Plants of Jiangsu ProvinceJiangsu Normal;

    Key Laboratory for Biotechnology on Medicinal Plants of Jiangsu ProvinceJiangsu Normal;

    Key Laboratory for Biotechnology on Medicinal Plants of Jiangsu ProvinceJiangsu Normal;

    Key Laboratory for Biotechnology on Medicinal Plants of Jiangsu ProvinceJiangsu Normal;

    Key Laboratory for Biotechnology on Medicinal Plants of Jiangsu ProvinceJiangsu Normal;

    Key Laboratory for Biotechnology on Medicinal Plants of Jiangsu ProvinceJiangsu Normal;

    Key Laboratory for Biotechnology on Medicinal Plants of Jiangsu ProvinceJiangsu Normal;

    Key Laboratory for Biotechnology on Medicinal Plants of Jiangsu ProvinceJiangsu Normal;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 生物化学;
  • 关键词

    antisense non‐coding RNA in the INK4 locus; diabetes; hippocampal neuronal apoptosis; learning and memory abilities; nuclear factor kappa B; streptozotocin;

    机译:INK4基因座中的反义非编码RNA;糖尿病海马神经元凋亡;学习和记忆能力;核因子κB;链脲佐菌素;

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