Stereotactic Injection of shRNA GSK-3β-AAV Promotes Axonal Regeneration after Spinal Cord Injury

Stereotactic Injection of shRNA GSK-3β-AAV Promotes Axonal Regeneration after Spinal Cord Injury
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shRNA GSK-3β-AAV 立体定向注射促进脊髓损伤后轴突再生

DOI:
10.1007/s11596-016-1623-6
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发表时间:
2016
期刊:
J Huazhong Univ Sci Technol
影响因子:
--
通讯作者:
Yu-chao ZUO
Yu-chao ZUO
中科院分区:
其他
文献类型:
--
作者:
Nan-xiang XIONG;Hong-yang ZHAO;Yu-chao ZUO

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有证据表明,糖原合酶激酶-3β (GSK-3β) 参与 Nogo-66 体外抑制轴突再生,但其在体内的作用却知之甚少。我们通过立体定向注射shRNA GSK-3β-腺相关病毒(GSK-3β-AAV)到SCI大鼠的感觉运动皮层并通过生物素右旋糖酐胺(BDA)标记的检测,发现立体定向注射shRNA GSK-3β-腺相关病毒(GSK-3β-AAV)可以减少脊髓空洞症,并促进脊髓损伤(SCI)后的轴突再生。轴突再生。我们还确定了注射到感觉运动皮层的正确位置。我们的研究结果巩固了 GSK-3β 下调可促进 SCI 后轴突再生的假设。
Evidence suggested that glycogen synthase kinase-3β (GSK-3β) is involved in Nogo-66.inhibiting axonal regeneration in vitro, but its effect in vivo was poorly understood. We showed that.stereotactic injection of shRNA GSK-3β-adeno associated virus (GSK-3β-AAV) diminished syringomyelia.and promoted axonal regeneration after spinal cord injury (SCI), using stereotactic injection.of shRNA GSK-3β-AAV (tested with Western blotting and RT-PCR) into the sensorimotor cortex of.rats with SCI and by the detection of biotin dextran amine (BDA)-labeled axonal regeneration. We.also determined the right position to inject into the sensorimotor cortex. Our findings consolidate the.hypothesis that downregulation of GSK-3β promotes axonal regeneration after SCI.
协调基因表达和轴突组装以控制轴突生长:GSK3信号的潜在作用。
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