ArticleJournal of cellular and molecular medicine2025
Pathological Glucose Levels Enhance Entry Factor Expression and Hepatic SARS-CoV-2 Infection.
Article in Journal of cellular and molecular medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Metformin hydrochloride regulates glycolysis and inhibits PEDV replication by inhibition of PI3K-AKT signaling pathway.Journal of virology · 2026Article
- The silent epidemic within the pandemic: pathophysiology and prediction of post-COVID-19 diabetes.Journal of translational medicine · 2026Review
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Authors and funding
8 authors.
Funding
Abstract
Accumulating clinical evidence suggests an intricate relationship between severe COVID-19 and preexisting metabolic complications, which share some metabolic dysregulations, including hyperglycaemia, hyperinsulinaemia and hyperlipidaemia. However, the potential role of these metabolic risk factors in SARS-CoV-2 infection and entry factor expression remains unknown. Here we report the implication of hyperglycaemia in SARS-CoV-2 infection and therapy. Hyperglycaemia, instead of hyperinsulinaemia and hyperlipidaemia, can significantly induce the expression of SARS-CoV-2 entry factors (Ace2, Tmprss2, Tmprss4, Furin and Nrp1) in liver cells, but not in lung and pancreatic cells, which is attenuated by mTOR inhibition. Correspondingly, pathological glucose levels promote SARS-CoV-2 entry into cultured hepatocytes in pseudovirus cell systems. Conversely, representative glucose-lowering drugs (metformin, dapagliflozin, sitagliptin and exenatide) are able to diminish the enhancement of entry factor expression and SARS-CoV-2 infection in cultured hepatocytes under pathological glucose conditions. Intriguingly, SARS-CoV-2 entry factors are increased in the livers of nonalcoholic fatty liver disease and diabetes patients. These results define hyperglycaemia as a key susceptibility factor for hepatic SARS-CoV-2 infection, and provide insights into the clinical application of glucose-lowering therapies in COVID-19 patients under comorbid hyperglycaemia conditions.
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