Ciclopirox for COVID-19

COVID-19 involves the interplay of over 100 viral and host proteins and factors providing many therapeutic targets.
Scientists have proposed over 9,000 potential treatments.
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Identification of Shared Gene Signatures Associated with Alzheimer’s Disease and COVID-19 through Bioinformatics Analysis, Combinatorial Chemistry & High Throughput Screening, doi:10.2174/0113862073383437250528173103
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Background: Some studies have shown a link between Alzheimer's disease (AD) and COVID-19. This includes a Mendelian randomization study, which suggests that Alzheimer's disease and COVID-19 may be causally linked in terms of pathogenic mechanisms. However, there are fewer studies related to the two in terms of common pathogenic genes and immune infiltration. We conducted this study to identify key genes in COVID-19 linked to Alzheimer's disease, assess their relevance to immune cell profiles, and explore potential novel biomarkers. Methods: The RNA datasets GSE157103 and GSE125583 for COVID-19 and Alzheimer's disease, respectively, were acquired via the GEO database and subsequently processed. Through the utilization of differential expression analysis and Weighted Gene Co-expression Network Analysis (WGCNA), genes associated with Alzheimer's disease and COVID-19 were identified. The immune cell signatures were estimated using the xCell algorithm, and correlation analysis identified links between key genes and significantly different immune cell signatures. Finally, we conducted transcription factor (TF) analysis, mRNA analysis, and sensitivity drug analysis. Results: Differential analysis identified 3560 (2099 up-regulated and 1461 down-regulated) and 1456 (640 up-regulated and 816 down-regulated) differential genes for COVID-19 and AD compared to normal controls, respectively. WGCNA analysis revealed 254 key module genes for COVID-19 and 791 for AD. We combined the differential genes and WGCNA key module genes for each disease to obtain two gene sets. The intersection of these two gene sets was examined to obtain intersecting genes. Subsequently, PPI network analysis was conducted, leading to the identification of 12 hub genes. Then, 12 immune-related hub genes were further identified. Immune infiltration patterns and the correlation between 12 hub genes and 64 immune cell types were analyzed. The analysis revealed a significant positive correlation between the two diseases under study. The relationship network between Transcription Factors and mRNA, as well as the predictions of drugs, further illustrate the strong association between the two diseases. This provides valuable information for further target exploration and drug screening. Conclusion: Our study suggests potential shared genes, signalling pathways, and common drug candidates that may be associated with COVID-19 and AD. This may provide insights for future studies of AD patients infected with SARS-CoV-2 and help improve diagnostic and therapeutic approaches.
Discovery of re-purposed drugs that slow SARS-CoV-2 replication in human cells, bioRxiv, doi:10.1101/2021.01.31.428851
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ABSTRACTCOVID-19 vaccines based on the Spike protein of SARS-CoV-2 have been developed that appear to be largely successful in stopping infection. However, vaccine escape variants might arise leading to a re-emergence of COVID. In anticipation of such a scenario, the identification of repurposed drugs that stop SARS-CoV-2 replication could have enormous utility in stemming the disease. Here, using a nano-luciferase tagged version of the virus (SARS-CoV-2- DOrf7a-NLuc) to quantitate viral load, we evaluated a range of human cell types for their ability to be infected and support replication of the virus, and performed a screen of 1971 FDA-approved drugs. Hepatocytes, kidney glomerulus, and proximal tubule cells were particularly effective in supporting SARS-CoV-2 replication, which is in- line with reported proteinuria and liver damage in patients with COVID-19. We identified 35 drugs that reduced viral replication in Vero and human hepatocytes when treated prior to SARS-CoV-2 infection and found amodiaquine, atovaquone, bedaquiline, ebastine, LY2835219, manidipine, panobinostat, and vitamin D3 to be effective in slowing SARS-CoV-2 replication in human cells when used to treat infected cells. In conclusion, our study has identified strong candidates for drug repurposing, which could prove powerful additions to the treatment of COVID.
Discovery of re-purposed drugs that slow SARS-CoV-2 replication in human cells, PLOS Pathogens, doi:10.1371/journal.ppat.1009840
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COVID-19 vaccines based on the Spike protein of SARS-CoV-2 have been developed that appear to be largely successful in stopping infection. However, therapeutics that can help manage the disease are still required until immunity has been achieved globally. The identification of repurposed drugs that stop SARS-CoV-2 replication could have enormous utility in stemming the disease. Here, using a nano-luciferase tagged version of the virus (SARS-CoV-2-ΔOrf7a-NLuc) to quantitate viral load, we evaluated a range of human cell types for their ability to be infected and support replication of the virus, and performed a screen of 1971 FDA-approved drugs. Hepatocytes, kidney glomerulus, and proximal tubule cells were particularly effective in supporting SARS-CoV-2 replication, which is in-line with reported proteinuria and liver damage in patients with COVID-19. Using the nano-luciferase as a measure of virus replication we identified 35 drugs that reduced replication in Vero cells and human hepatocytes when treated prior to SARS-CoV-2 infection and found amodiaquine, atovaquone, bedaquiline, ebastine, LY2835219, manidipine, panobinostat, and vitamin D3 to be effective in slowing SARS-CoV-2 replication in human cells when used to treat infected cells. In conclusion, our study has identified strong candidates for drug repurposing, which could prove powerful additions to the treatment of COVID.
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