ACE-2-interacting Domain of SARS-CoV-2 (AIDS) Peptide Suppresses Inflammation to Reduce Fever and Protect Lungs and Heart in Mice: Implications for COVID-19 Therapy.

ACE-2-interacting Domain of SARS-CoV-2 (AIDS) Peptide Suppresses Inflammation to Reduce Fever and Protect Lungs and Heart in Mice: Implications for COVID-19 Therapy.
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SARS-CoV-2 (AIDS)肽ace -2相互作用结构域抑制小鼠炎症以退热并保护肺和心脏:对COVID-19治疗的影响

DOI:
10.1007/s11481-020-09979-8
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发表时间:
2021-03
期刊:
Journal of neuroimmune pharmacology : the official journal of the Society on NeuroImmune Pharmacology
影响因子:
--
通讯作者:
Pahan K
Pahan K
中科院分区:
其他
文献类型:
--
作者:
Paidi RK;Jana M;Mishra RK;Dutta D;Raha S;Pahan K

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COVID-19是由病毒株严重急性呼吸综合征冠状病毒2 (SARS-CoV-2)引起的一种传染性呼吸道疾病,到目前为止,还没有针对COVID-19的有效疗法。由于SARS-CoV-2与血管紧张素转换酶2 (ACE2)结合进入宿主细胞,为了从治疗角度靶向COVID-19,我们设计了一种与SARS-CoV-2 (AIDS) ACE2相互作用结构域对应的六肽,该六肽抑制含有受体结合结构域的spike S1与ACE-2之间的关联。因此,野生型(wt),而非突变型(m),艾滋病肽抑制SARS-CoV-2尖峰s1诱导的NF-κB活化和人肺细胞中IL-6的表达。有趣的是,重组SARS-CoV-2刺突S1的C57/BL6小鼠鼻内中毒导致发烧、肺部IL-6升高、中性粒细胞浸润到肺部、心律失常和运动活动障碍,模拟了COVID-19的一些重要症状。然而,在SARS-CoV-2尖峰s1中毒的小鼠中,用wtAIDS(而不是女佣)鼻内治疗肽可以降低发烧、保护肺部、改善心脏功能并增强运动活动。因此,wtads选择性靶向ace2 - sars - cov -2相互作用可能对COVID-19有益。在线版本包含补充材料,可在10.1007/s11481-020-09979-8获得。
COVID-19 is an infectious respiratory illness caused by the virus strain severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and until now, there is no effective therapy against COVID-19. Since SARS-CoV-2 binds to angiotensin-converting enzyme 2 (ACE2) for entering into host cells, to target COVID-19 from therapeutic angle, we engineered a hexapeptide corresponding to the ACE2-interacting domain of SARS-CoV-2 (AIDS) that inhibits the association between receptor-binding domain-containing spike S1 and ACE-2. Accordingly, wild type (wt), but not mutated (m), AIDS peptide inhibited SARS-CoV-2 spike S1-induced activation of NF-κB and expression of IL-6 in human lungs cells. Interestingly, intranasal intoxication of C57/BL6 mice with recombinant SARS-CoV-2 spike S1 led to fever, increase in IL-6 in lungs, infiltration of neutrophils into the lungs, arrhythmias, and impairment in locomotor activities, mimicking some of the important symptoms of COVID-19. However, intranasal treatment with wtAIDS, but not mAIDS, peptide reduced fever, protected lungs, improved heart function, and enhanced locomotor activities in SARS-CoV-2 spike S1-intoxicated mice. Therefore, selective targeting of ACE2-to-SARS-CoV-2 interaction by wtAIDS may be beneficial for COVID-19. The online version contains supplementary material available at 10.1007/s11481-020-09979-8.
DOI: 10.1126/science.abc4730
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