Copper(II) Gluconate Boosts the Anti-SARS-CoV-2 Effect of Disulfiram In Vitro
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Abstract
Disulfiram is a 70-year-old anti-alcoholism drug, while copper(II) gluconate (Cu(Glu) 2 ) is a commonly used food additive or copper supplement. Here we disclose that the combination of disulfiram and copper(II) gluconate drastically enhances the anti-SARS-CoV-2 activity at the cellular level as compared to disulfiram or copper(II) gluconate alone. A 1:1 mixture of disulfiram and copper(II) gluconate shows an EC 50 value of 154 nM against SARS-CoV-2 at the cellular level, much lower than the 17.45 μM reported for disulfiram alone. Notably, previous clinical trials have shown that a combination of 250 mg disulfiram (0.843 mmol) and 8 mg copper(II) gluconate (0.0176 mmol) oral capsules per day is well tolerated ( NCT03034135 , NCT00742911 ). A preliminary mechanism is proposed to rationalize the observed promotional effect.
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SciScore for 10.1101/2021.09.17.460613: (What is this?)
Please note, not all rigor criteria are appropriate for all manuscripts.
Table 1: Rigor
Ethics not detected. Sex as a biological variable not detected. Randomization not detected. Blinding not detected. Power Analysis not detected. Cell Line Authentication not detected. Table 2: Resources
Experimental Models: Cell Lines Sentences Resources The virus was purified by phagocytosis, reproduced in Vero-E6 cells, and stored in -80 °C for future use. Vero-E6suggested: NoneResults from OddPub: We did not detect open data. We also did not detect open code. Researchers are encouraged to share open data when possible (see Nature blog).
Results from LimitationRecognizer: An explicit section about the limitations of the techniques employed in this study was not found. We encourage authors to address study …SciScore for 10.1101/2021.09.17.460613: (What is this?)
Please note, not all rigor criteria are appropriate for all manuscripts.
Table 1: Rigor
Ethics not detected. Sex as a biological variable not detected. Randomization not detected. Blinding not detected. Power Analysis not detected. Cell Line Authentication not detected. Table 2: Resources
Experimental Models: Cell Lines Sentences Resources The virus was purified by phagocytosis, reproduced in Vero-E6 cells, and stored in -80 °C for future use. Vero-E6suggested: NoneResults from OddPub: We did not detect open data. We also did not detect open code. Researchers are encouraged to share open data when possible (see Nature blog).
Results from LimitationRecognizer: An explicit section about the limitations of the techniques employed in this study was not found. We encourage authors to address study limitations.Results from TrialIdentifier: No clinical trial numbers were referenced.
Results from Barzooka: We did not find any issues relating to the usage of bar graphs.
Results from JetFighter: We did not find any issues relating to colormaps.
Results from rtransparent:- Thank you for including a conflict of interest statement. Authors are encouraged to include this statement when submitting to a journal.
- Thank you for including a funding statement. Authors are encouraged to include this statement when submitting to a journal.
- No protocol registration statement was detected.
Results from scite Reference Check: We found no unreliable references.
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