hIFITM1的棕化抑制了JEV感染,并有助于BBB稳定
Hao-Wei Chen1, Ya-Ge Zhang1, Wei-Jia Zhang1
1National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, Hubei, China; The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan 430070, Hubei, China; Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, China.
干扰素诱导性跨膜蛋白1 (IFITM1) 限制了日本脑炎病毒 (JEV) 在人类大脑微血管内皮细胞 (hBMEC) 中. IFITM1的棕化对其抗病毒活性和血脑屏障 (BBB) 完整性至关重要.
科学领域:
- 神经科学是一个神经科学.
- 病毒学 病毒学
- 细胞生物学 细胞生物学
背景情况:
- 人类大脑的微血管内皮细胞 (hBMEC) 形成血脑屏障 (BBB),对于预防中枢神经系统 (CNS) 病毒感染至关重要.
- 干扰素诱导性转膜蛋白1 (IFITM1) 是一种I型干扰素刺激的基因,具有已知的抗病毒功能.
研究的目的:
- 为了研究IFITM1在hBMECs在日本脑炎病毒 (JEV) 感染期间的作用.
- 阐明IFITM1影响JEV复制和BBB完整性的机制.
主要方法:
- 编辑CRISPR/Cas9基因以减少或过度表达hBMEC中的IFITM1.
- JEV复制试验. 更多
- 测量超内皮电阻 (TEER),以评估BBB的完整性.
- 分析IFITM1棕化和与紧密结合蛋白的相互作用.
主要成果:
- 在JEV感染后,hBMECs中的IFITM1表达显著上调.
- IFITM1的消耗增强了JEV的复制,而过度表达则限制了它.
- 过度表达IFITM1提高了hBMEC单层完整性,并减少了JEV在BBB上的透.
- IFITM1的棕化,特别是在CD225域中,对其抗病毒活性和适当的局部化至关重要,影响与Occludin的相互作用.
结论:
- IFITM1在BBB中扮演着对JEV感染的保护作用.
- 棕化对于IFITM1的抗病毒功能及其维持BBB平衡的能力至关重要.
- IFITM1代表了管理中枢神经系统病毒感染的潜在治疗标.
更多相关视频
10:50Visualizing Impairment of the Endothelial and Glial Barriers of the Neurovascular Unit during Experimental Autoimmune Encephalomyelitis In Vivo
Published on: March 26, 2019
09:03Author Spotlight: Applications of TEER Detection to Assess Cell Barrier Integrity
Published on: September 29, 2023
相关概念视频
Intracellular Signaling Affects Focal Adhesions
Some...
Phosphoinositides and PIPs
Different phosphoinositides are synthesized and recruited on the cytosolic face of the plasma membrane. The localization of specific phosphoinositides concentrated in separate membrane...
Receptor Downregulation in MVBs
The EGFR can initiate signaling pathways that lead to cell proliferation, migration, and differentiation. Overexpression of EGFR stimulates cells to proliferate. Excessive EGFR...
Regulation of Angiogenesis and Blood Supply
Transcytosis of IgG
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...
PI3K/mTOR/AKT Signaling Pathway
