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The Synergistic Inhibition of Coronavirus Replication and Induced Cytokine Production by Ciclesonide and the Tylophorine-Based Compound Dbq33b

  • Yue Zhi Lee
  • , Hsing Yu Hsu
  • , Cheng Wei Yang
  • , Yi Ling Lin
  • , Sui Yuan Chang
  • , Ruey Bing Yang
  • , Jian Jong Liang
  • , Tai Ling Chao
  • , Chun Che Liao
  • , Han Chieh Kao
  • , Jang Yang Chang
  • , Huey Kang Sytwu
  • , Chiung Tong Chen
  • , Shiow Ju Lee

Research output: Contribution to journal › Article › peer-review

Abstract

Ciclesonide is an inhaled corticosteroid used to treat asthma and has been repurposed as a treatment for mildly ill COVID-19 patients, but its precise mechanism of action is unclear. Herein, we report that ciclesonide blocks the coronavirus-induced production of the cytokines IL-6, IL-8, and MCP-1 by increasing IκBα protein levels and significantly decreasing p65 nuclear translocation. Furthermore, we found that the combination of ciclesonide and dbq33b, a potent tylophorine-based coronavirus inhibitor that affects coronavirus-induced NF-κB activation a little, additively and synergistically decreased coronavirus-induced IL-6, IL-8, and MCP-1 cytokine levels, and synergistically inhibited the replication of both HCoV-OC43 and SARS-CoV-2. Collectively, the combination of ciclesonide and dbq33b merits consideration as a treatment for COVID-19 patients who may otherwise be overwhelmed by high viral loads and an NF-κB-mediated cytokine storm.

Original languageEnglish
Article number1511
JournalPharmaceutics
Volume14
Issue number7
DOIs
Publication statusPublished - Jul 2022
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • ciclesonide
  • COVID-19
  • cytokine
  • IL-6
  • IL-8
  • MCP-1
  • MCP-3
  • OC43
  • SARS-CoV-2
  • tylophorine

ASJC Scopus subject areas

  • Pharmaceutical Science

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