免疫球蛋白超级家族3 (Igsf3) 功能对于大脑发育是不可或缺的
Carolina Cocito1, Chaomei Xiang2, Meng Huang2,3
1Department of Neurological Surgery, Weill Cornell Medicine, New York, NY, USA. cac2059@med.cornell.edu.
Scientific reports
|February 23, 2025
概括
免疫球蛋白超级家族成员3 (IGSF3) 在发育中的大脑中表达. 然而,根据这项研究,IGSF3对大脑发育,神经元迁移或成熟并不重要.
科学领域:
- 神经科学是一个神经科学.
- 发展生物学 发展生物学
- 分子生物学分子生物学
背景情况:
- 免疫球蛋白超级家族 (IgSF) 包括对中枢神经系统发育至关重要的粘附蛋白,包括神经元迁移和突触生成.
- 免疫球蛋白超级家族成员3 (IGSF3) 存在于发育中的大脑中,并与小脑颗粒细胞神经元发育和质瘤进展有关.
研究的目的:
- 研究IGSF3在调节新皮层发育中的生理作用.
- 探索Igsf3在皮层发育中的功能,使用淘汰赛小鼠模型.
主要方法:
- 使用CRISPR/Cas9基因编辑生成了一个IGSF3淘汰赛 (KO) 鼠标模型.
- 在皮层发育过程中分析了Igsf3的表达模式和定位.
- 评估Igsf3缺乏对大脑发育,神经元迁移和成熟的影响.
主要成果:
- Igsf3表达在神经元前代和神经元转移后的神经元中受发育调节.
- 在皮层发育过程中,Igsf3在很大程度上与其他IgSF蛋白共同局部化.
- 尽管有表达,但Igsf3对于正常的大脑发育,神经元迁移或成熟并非必不可少.
结论:
- 这项研究表明,Igsf3对于皮质发育的关键方面并不不可或缺.
- 这些发现澄清了IGSF3在中枢神经系统发育的作用,表明其他IGSF蛋白可能会弥补其缺失.
相关概念视频
Immunoglobulin-like Cell Adhesion Molecules
3.2K
Immunoglobulin-like cell adhesion molecules or Ig-CAMs are a versatile group of cell surface glycoproteins belonging to the immunoglobulin protein superfamily. Ig-CAMs possess the characteristic immunoglobulin protein domains and other domains such as the fibronectin type III domain. The Ig domains are glycosylated to varying degrees in different Ig-CAMs.
Ig-CAMs exhibit either homophilic binding (to other Ig-CAMs) or heterophilic binding (to other ligands such as integrins). While most Ig-CAMs...
Ig-CAMs exhibit either homophilic binding (to other Ig-CAMs) or heterophilic binding (to other ligands such as integrins). While most Ig-CAMs...
3.2K
Development of Immunocompetence
282
The initiation of cell-mediated immunity can be observed as early as the third month of fetal growth, with active antibody-mediated immunity following approximately one month later.
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...
282
Transcytosis of IgG
2.7K
Transcytosis is the process in which molecules are internalized by endocytosis, transported across the cell, and released through exocytosis from the opposite end of the cell. Molecules such as insulin, immunoglobulins, and certain nutrients are transferred through the recycling endosomes by recycling and transcytosis.
IgG molecules from a mother undergo transcytosis starting around 13 weeks of gestation. The amount of IgG transferred and entering the fetal blood circulation increases with...
IgG molecules from a mother undergo transcytosis starting around 13 weeks of gestation. The amount of IgG transferred and entering the fetal blood circulation increases with...
2.7K
The Blood-brain Barrier
46.6K
Overview
46.6K
Glial Cells
86.2K
Overview
86.2K


