ArticleThe Journal of infectious diseases2025
Obesity Uncovers the Presence of Inflammatory Lung Macrophage Subsets With an Adipose Tissue Transcriptomic Signature in Influenza Virus Infection.
Article in The Journal of infectious diseases, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Obesity-associated meta-inflammation alters influenza A antiviral responses in Göttingen minipigs.iScience · 2026Article
- Ambient temperature regulates CD4iScience · 2026Article
- Human Influenza Virus Infection: A Focus on Key Host Determinants Linked to Clinical Disease Severity.Viruses · 2026Review
- An Overview of the Effects of Exercise on Viral Infection in Obesity: Recent Advances and Potential Mechanisms.Applied biochemistry and biotechnology · 2026Review
- Acute Phase Extrapulmonary Effects of a High-Dose Influenza A Virus Infection in a Mouse Model of Obesity.Zoonotic diseases (Basel, Switzerland) · 2025Article
- Mechanisms of Innate Immune Modulation by High-Fat Diet: Implications for Obesity and Asthma.Current allergy and asthma reports · 2025Review
- Impact of Obesity on Immunity to the Influenza Virus: Gut Microbiota, Mechanisms, and Novel Therapeutic Strategies.Diseases (Basel, Switzerland) · 2025Review
Corrections and comments
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Authors and funding
14 authors.
Funding
Abstract
Obesity is an independent risk factor for increased disease severity during influenza A virus (IAV) infection. White adipose tissue (WAT) inflammation promotes disease pathogenesis in obesity. Whether obesity modifies lung and WAT immune cells to amplify influenza severity is unknown. We show that obesity establishes a proinflammatory transcriptome in lung immune cells that is augmented during IAV infection and that IAV infection changes WAT immune cell milieu in obesity. Notably, a decrease in WAT macrophages (ATM) inversely correlates with an increase in infiltrating lung macrophages in obese IAV-infected mice. Further analyses of lung immune cell uncovered a macrophage subset that shares a transcriptomic signature with inflammatory ATMs. Importantly, adoptive transfer of ATMs from obese mice into lean IAV infected mice promotes host immune cell infiltration to the lungs. These findings suggest that, in an obese state, ATMs may exacerbate the inflammatory milieu important in pathologic responses to IAV infection.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.