针对内分泌体向的纳米粒子为冠状病毒感染提供抗病毒疗法
Anton Petcherski1, Brett M Tingley2, Andrew Martin2
1Department of Medicine, Division of Endocrinology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA.
Life science alliance
|February 3, 2025
概括
通过使用美氨酸纳米颗粒 (MFQ-NP) 向溶解体提供了一种新的策略来对抗COVID-19等病毒感染. 这种针对器官的输送系统减少了毒性,并提高了对病毒内细胞瘤的疗效.
科学领域:
- 纳米医学是一种纳米医学.
- 病毒学 病毒学
- 药物运输 药物运输 药物运输
背景情况:
- 严重急性呼吸道综合征-冠状病毒-2 (SARS-CoV-2) 通过内细胞分裂进入细胞,这是由 lysosomal 蛋白酶抑制剂向的过程.
- 对病毒感染的氧化的临床使用产生了混合的结果和显著的毒性.
- 针对器官的药物递送可以提高治疗度,并最大限度地减少非向效应.
研究的目的:
- 开发和评估一种针对溶酶体的纳米粒子系统,用于肺部输送梅.
- 评估甲floquine装载纳米颗粒 (MFQ-NP) 对SARS-CoV-2和其他冠状病毒的疗效和安全性.
主要方法:
- 制造含有美弗洛 (MFQ-NP) 的聚糖单酸-co-ε-caprolactone) 纳米颗粒.
- 针对MFQ-NP的大小,表面电荷和溶酶体向的特征.
- 在冠状病毒感染的细胞模型中评估MFQ-NP的抗病毒活性,包括SARS-CoV-2及其Omicron变种.
主要成果:
- 在细胞模型中,MFQ-NP表现出与氧化相比,增强了病毒内细胞酶的抑制.
- 与分子美弗洛昆相比,MFQ-NP的毒性降低.
- 这些纳米粒子在人类肺上皮和小鼠模型中有效抑制了SARS-CoV-2 (WA1和Omicron) 和其他冠状病毒.
结论:
- 通过纳米颗粒对溶酶体向输送梅素是一种治疗病毒感染的有前途的策略.
- 肺部输送MFQ-NP提供了一种有效的方法来抑制病毒的进入和复制.
- 这种针对有机体的策略有可能提高抗病毒治疗的安全性和有效性.
更多相关视频
09:09Preparation of Neutrally-charged, pH-responsive Polymeric Nanoparticles for Cytosolic siRNA Delivery
Published on: May 2, 2019
7.4K
05:36Author Spotlight: Development of a Large-Scale, Reproducible Production Method for Exosome Mimetics Using Magnetic Nanoparticles
Published on: January 26, 2024
1.3K
相关概念视频
01:30Inhibitors of Viral Protein Synthesis
Protein synthesis is indispensable for viral replication, as viruses lack the cellular machinery required for this process and must hijack the host's translational apparatus. In response, host cells deploy a critical innate immune defense involving interferons, specialized cytokines that play a central role in inhibiting viral propagation.Upon viral detection, infected cells release interferons that bind to receptors on adjacent uninfected cells, activating the JAK-STAT signaling pathway and...
01:25Inhibitors Of Virion Release
Viral replication and dissemination rely on efficient mechanisms for host cell entry, genome replication, assembly, and release. Influenza viruses, such as types A and B, are negative-sense single-stranded RNA viruses with a segmented genome, that depend on two critical surface glycoproteins to carry out these processes: hemagglutinin (HA) and neuraminidase (NA). HA initiates infection by binding to sialic acid residues on the surface of host epithelial cells, facilitating receptor-mediated...
01:22Antiviral Nucleoside Inhibitors
Antiviral Nucleoside InhibitorsAntiviral nucleoside inhibitors are structural analogs of natural nucleosides that interfere with viral DNA or RNA synthesis. These compounds selectively target viral polymerases due to their resemblance to host nucleosides, thereby disrupting viral genome replication.Mechanism of Acyclovir ActionAcyclovir is a guanosine analog with a three-carbon acyclic side chain. It selectively targets herpes simplex virus type 1 (HSV-1), herpes simplex virus type 2 (HSV-2),...