A2 Refereed review article in a scientific journal
Glucose Metabolism and Innate Immune Responses in Influenza Virus Infection: Mechanistic Insights and Clinical Perspectives
Authors: Awad, Kareem; Shahin, Nancy N.; Motawi, Tarek K.; Abdelhadi, Maha; Barghash, Reham F.; Awad, Ahmed M.; Kakkola, Laura; Julkunen, Ilkka
Publisher: MDPI AG
Publication year: 2025
Journal: Cells
Volume: 15
Issue: 47
eISSN: 2073-4409
DOI: https://doi.org/10.3390/cells15010047
Publication's open availability at the time of reporting: Open Access
Publication channel's open availability : Open Access publication channel
Web address : https://doi.org/10.3390/cells15010047
Self-archived copy’s web address: https://research.utu.fi/converis/portal/detail/Publication/508526880
Self-archived copy's licence: CC BY
Self-archived copy's version: Publisher`s PDF
This review article discusses glucose metabolic alterations affecting immune cell responses to influenza virus infection. It highlights possible relationships between essential metabolic targets and influenza replication dynamics in immune cells. Thus, kinases as essential regulators of glucose metabolism as well as critical immune mediators during this infection such as interferons, tumor necrosis factor-alpha and transforming growth factor beta have been illustrated. Mechanistic highlights are provided for both the Warburg effect, where glycolysis shifts to lactate production during influenza infection, and the PFK1/PFKFB3 enzyme complex as the rate-determining regulator of glycolysis whose activity increases during the course of influenza infection. The mechanisms of mammalian target of rapamycin (mTOR) signaling as a promotor of glycolysis and a regulator of inflammatory cytokine production are discussed across various immune cell types during infection. We conclude that modulation of the metabolic changes associated with immune responses plays an important role in disease progression, and that targeting metabolic checkpoints or kinases may offer promising avenues for future immunotherapy approaches for the treatment of influenza virus infection. We also emphasize the need for further research to develop a comprehensive biological model that clarifies host outcomes and the complex nature of immune-metabolic regulation and crosstalk.
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Funding information in the publication:
This work was funded by the Finnish Government Scholarship Pool number KM-19-11070 and the Egyptian Academy of Scientific Research and Technology (ASRT-STARS) to KA. The APC was funded by California State University Provost Direct Cost Grants Program.