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CJAP ›› 2021, Vol. 37 ›› Issue (4): 337-342.doi: 10.12047/j.cjap.6144.2021.052

• ORIGINAL ARTICLES •     Next Articles

Effects of Sox11 gene on neuronal migration in the development mouse cerebral cortex

LYU Ye, SUN Xiao-wan, ZHANG Cong, LUAN Zhi-lin   

  1. Advanced Institute for Medical Sciences, Dalian Medical University, Dalian 116044, China
  • Online:2021-07-28 Published:2021-08-09

Abstract: Objective: To study the effect of the schizophrenia susceptible gene Sox11 on the migration of cortical neurons using mice as experimental animals. Methods: The real-time quantitative PCR and in situ hybridization were used to clarify the expression pattern of Sox11 in the cerebral cortex during development (E14.5, P0, P7, P14). The techniques of plasmid construction, transfection, in utero electroporation and immunostaining were used to explore the role of Sox11 in the neuronal radial migration by transfecting control shRNA plasmid, mSox11 shRNA plasmid and mSox11 shRNA post-interference recovery plasmid in mice of different ages (E17.5, P0, P4, P7). Results: Compared with control neurons, the migration of mSox11 shRNA transfected neurons was delayed significantly. When a part of the neurons in the control group had reached the surface of the neocortex, most of the neurons transfected with mSox11 shRNA remained in the middle area of the neocortex. After the rat Sox11 (rSox11) gene overexpression vector was used to recuse the mouse Sox11 (mSox11) gene interference in mice, the distribution of neurons after migration was basically the same as the control. The distribution of migrating neurons in the subventricular zone (SVZ), intermediate zone (IZ), and cortical plate (CP) was different significantly (P<0.01) after Sox11 interference and recovery. Conclusion: Sox11 can promote the migration of cortical neurons, suggesting that Sox11 plays a crucial role in the migration process of mouse cortical neurons.

Key words: Sox11, mouse, brain development, neuronal migration

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