The schizophrenia-associated missense variant rs13107325 regulates dendritic spine density

	The schizophrenia-associated missense variant rs13107325 regulates dendritic spine density
	Li, SW; Ma, CG; Li, YF; Chen, R; Liu, YX; Wan, LP; Xiong, QX; Wang, C; Huo, YX; Dang, XL; Yang, YF; Lv, LX; Chen, X; Sheng, NY; Li, WQ; Luo, XJ
	2022
发表期刊	TRANSLATIONAL PSYCHIATRY
ISSN	2158-3188
卷号	12 期号:1
摘要	The missense variant rs13107325 (C/T, p.Ala391Thr) in SLC39A8 consistently showed robust association with schizophrenia in recent genome-wide association studies (GWASs), suggesting the potential pathogenicity of this non-synonymous risk variant. Nevertheless, how this missense variant confers schizophrenia risk remains unknown. Here we constructed a knock-in mouse model (by introducing a threonine at the 393th amino acid of mouse SLC39A8 (SLC39A8-p.393T), which corresponds to rs13107325 (p.Ala391Thr) of human SLC39A8) to explore the potential roles and biological effects of this missense variant in schizophrenia pathogenesis. We assessed multiple phenotypes and traits (associated with rs13107325) of the knock-in mice, including body and brain weight, concentrations of metal ions (including cadmium, zinc, manganese, and iron) transported by SLC39A8, blood lipids, proliferation and migration of neural stem cells (NSCs), cortical development, behaviors and cognition, transcriptome, dendritic spine density, and synaptic transmission. Many of the tested phenotypes did not show differences in SLC39A8-p.393T knock-in and wild-type mice. However, we found that zinc concentration in brain and blood of SLC39A8-p.393T knock-in mice was dysregulated compared with wild-types, validating the functionality of rs13107325. Further analysis indicated that cortical dendritic spine density of the SLC39A8-p.393T knock-in mice was significantly decreased compared with wild-types, indicating the important role of SLC39A8-p.393T in dendritic spine morphogenesis. These results indicated that SLC39A8-p.393T knock-in resulted in decreased dendritic spine density, thus mimicking the dendritic spine pathology observed in schizophrenia. Our study indicates that rs13107325 might confer schizophrenia risk by regulating zinc concentration and dendritic spine density, a featured characteristic that was frequently reported to be decreased in schizophrenia.
收录类别	sci
语种	英语
文献类型	期刊论文
条目标识符	http://ir.kiz.ac.cn/handle/152453/13344
专题	科研部门_神经系统疾病（罗雄剑）
推荐引用方式 GB/T 7714	Li, SW,Ma, CG,Li, YF,et al. The schizophrenia-associated missense variant rs13107325 regulates dendritic spine density[J]. TRANSLATIONAL PSYCHIATRY,2022,12(1).
APA	Li, SW.,Ma, CG.,Li, YF.,Chen, R.,Liu, YX.,...&Luo, XJ.(2022).The schizophrenia-associated missense variant rs13107325 regulates dendritic spine density.TRANSLATIONAL PSYCHIATRY,12(1).
MLA	Li, SW,et al."The schizophrenia-associated missense variant rs13107325 regulates dendritic spine density".TRANSLATIONAL PSYCHIATRY 12.1(2022).

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