相关实验视频

Updated: May 13, 2025

Contrast Ultrasound Targeted Treatment of Gliomas in Mice via Drug-Bearing Nanoparticle Delivery and Microvascular Ablation

Contrast Ultrasound Targeted Treatment of Gliomas in Mice via Drug-Bearing Nanoparticle Delivery and Microvascular Ablation

Published on: December 15, 2010

阿斯塔加林功能化的超小纳米粒子调节补充通路,以抑制微质突触细胞分裂,以减少麻醉性神经毒性

Gang Wang^1,2,3, Yaobao Han³, Ke Peng^1,2

¹Department of Anesthesiology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China.

Materials today. Bio

|April 15, 2025

概括

阿斯特拉加林功能化纳米粒子 (CSPA NPs) 通过抑制补充通路来减轻由赛沃弗兰诱导的神经毒性. 这减少了微质介导的突触损失,恢复了认知功能,并提供了一种新的治疗方法.

科学领域:

神经科学是一个神经科学.
纳米医学是一种纳米医学.
免疫学免疫学免疫学

背景情况:

塞沃兰麻醉可以引起神经毒性,其特征是突触损伤和随后的神经行为缺陷.
通过补充通路的微质介导的突触细胞分解是这种突触损失背后的一个关键机制.
阿斯特拉加林是一种天然的黄胺,具有抗补和抗炎性质.

研究的目的:

为了研究素功能化铜化纳米粒子 (CSPA NPs) 在修复sevoflurane诱导的神经毒性的潜力.
阐明CSPANP调节微质活动和突触消除的机制.
在小鼠模型中评估CSPANP的治疗疗效.

主要方法:

将素功能化Cu$_{}$纳米颗粒 (CSPA NPs) 给用sevoflurane治疗的小鼠.
评估微质激活,细胞和突触完整性.
测量补充通路组件 (C1q,C3),索尔蒂林,普格拉努林和TFEB表达的测量.
使用行为测试评估认知功能.

主要成果:

在接受了sevoflurane治疗的小鼠中,CSPA NPs有效地降低了微质激活和细胞形成.
CSPA NPs降低了sortilin的调节,增加了progranulin,并促进了TFEB转位,降低了溶酶体活性.
CSPA NPs抑制了补充C1q和C3水平,减少了微质突触吞并改善了认知功能障碍.

结论:

通过补充路径抑制微质突触消除,CSPA NPs可缓解由赛沃兰诱导的神经毒性.
这项研究强调CSPANP作为神经毒性和潜在的其他补充介导疾病的有希望的治疗策略.
这些发现为针对神经保护的微质补充相互作用提供了新的见解.

关键词:

生物模拟纳米颗粒生物模拟纳米颗粒补充补充补充补充微质的细胞形成.突触消除突触消除赛沃兰诱导的神经毒性

更多相关视频

Synthesis of Functionalized 10-nm Polymer-coated Gold Particles for Endothelium Targeting and Drug Delivery

Synthesis of Functionalized 10-nm Polymer-coated Gold Particles for Endothelium Targeting and Drug Delivery

Published on: January 15, 2018

Microglia as a Surrogate Biosensor to Determine Nanoparticle Neurotoxicity

Microglia as a Surrogate Biosensor to Determine Nanoparticle Neurotoxicity

Published on: October 25, 2016

相关概念视频

Ligand-Gated Ion Channel Receptor: Gating Mechanism

Ligand-Gated Ion Channel Receptor: Gating Mechanism

Ligand-gated ion channels are transmembrane proteins that play a vital role in intercellular communication and functions of the nervous system. They allow the influx of ions across the membrane once the neurotransmitter binds, allowing the subsequent transmission of electrical excitation across the neurons. Other ligand-gated ion channels, like the γ-aminobutyric acid (GABA) receptor, permit anions like chloride into the cells on the binding of the GABA molecule. Their entry into the cell...

Indirect-Acting Cholinergic Agonists: Pharmacological Actions

Indirect-Acting Cholinergic Agonists: Pharmacological Actions

Indirect-acting cholinergic agonists, also known as anticholinesterases, exert their pharmacological effects by enhancing cholinergic transmission in various body parts, including the neuromuscular junction, autonomic cholinergic synapses, and the brain.
At the neuromuscular junction, these agents work by inhibiting the breakdown of acetylcholine, allowing it to remain bound to the receptor and bind to nearby receptors. This process leads to repetitive firing of the endplate, causing muscle...