Metformin is a potential therapeutic for COVID-19/LUAD by regulating glucose metabolism
Yongwang Hou, Zhicong Yang, Baoli Xiang, Jiangmin Liu, Lina Geng, Dandan Xu, Minghua Zhan, Yuhuan Xu, Bin Zhang
Scientific Reports, doi:10.1038/s41598-024-63081-0
Lung adenocarcinoma (LUAD) is the most common and aggressive subtype of lung cancer, and coronavirus disease 2019 (COVID-19) has become a serious public health threat worldwide. Patients with LUAD and COVID-19 have a poor prognosis. Therefore, finding medications that can be used to treat COVID-19/LUAD patients is essential. Bioinformatics analysis was used to identify 20 possible metformin target genes for the treatment of COVID-19/LUAD. PTEN and mTOR may serve as hub target genes of metformin. Metformin may be able to cure COVID-19/LUAD comorbidity through energy metabolism, oxidoreductase NADH activity, FoxO signalling pathway, AMPK signalling system, and mTOR signalling pathway, among other pathways, according to the results of bioinformatic research. Metformin has ability to inhibit the proliferation of A549 cells, according to the results of colony formation and proliferation assays. In A549 cells, metformin increased glucose uptake and lactate generation, while decreasing ATP synthesis and the NAD + /NADH ratio. In summary, PTEN and mTOR may be potential targets of metformin for the treatment of COVID-19/ LUAD. The mechanism by which metformin inhibits lung adenocarcinoma cell proliferation may be related to glucose metabolism regulated by PI3K/AKT signalling and mTOR signalling pathways. Our study provides a new theoretical basis for the treatment of COVID-19/LUAD.
Ethics approval and consent to participate This study did not require ethical board approval because it did not include human or animal trials.
Author contributions Bin Zhang: Conceptualization. Baoli Xiang: Methodology, Software. Yongwang Hou: Data curation, Writing-Original draft preparation, funding acquisition. Jiangmin Liu: Visualization, Investigation. Lina Geng and Yuhuan Xu: Supervision. Dandan Xu and Minghua Zhan: Software, Validation. Zhicong Yang: Writing-Reviewing and Editing. All authors have reviewed the results and approved the final version of the manuscript.
Competing interests The authors declare no competing interests.
Additional information
Supplementary Information The online version contains supplementary material available at https:// doi. org/ 10. 1038/ s41598-024-63081-0. Correspondence and requests for materials should be addressed to Y.H. or B.Z. Reprints and permissions information is available at www.nature.com/reprints. Publisher's note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
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