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Effects of IFN-γ on immune cell kinetics during the resolution of acute lung injury.The immunologic responses that occur early in the acute respiratory distress syndrome (ARDS) elicit immune-mediated damage. The mechanisms underlying the resolution of ARDS, particularly the role of signaling molecules in regulating immune cell kinetics, remain important questions. Th1-mediated responses can contribute to the pathogenesis of acute lung injury (ALI). Interferon-gamma (IFN-γ) orchestrates early inflammatory events, enhancing immune-mediated damage. The current study investigated IFN-γ during resolution in several experimental models of ALI. The absence of IFN-γ resulted in altered kinetics of lymphocyte and macrophage responses, suggesting that IFN-γ present in this microenvironment is influential in ALI resolution. Genetic deficiency of IFN-γ or administering neutralizing IFN-γ antibodies accelerated the pace of resolution. Neutralizing IFN-γ decreased the numbers of interstitial and inflammatory macrophages and increased alveolar macrophage numbers during resolution. Our results underline the complexity of lung injury resolution and provide insight into the effects through which altered IFN-γ concentrations affect immune cell kinetics and the rate of resolution. These findings suggest that therapies that spatially or temporally control IFN-γ signaling may promote ALI resolution. Identifying and elucidating the mechanisms critical to ALI resolution will allow the development of therapeutic approaches to minimize collateral tissue damage without adversely altering the response to injury.
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Erratum to: Repertoire and Neutralizing Activity of Antibodies Against Hepatitis C Virus E2 Peptide in Patients With Spontaneous Resolution of Hepatitis C.
2595 related Products with: Erratum to: Repertoire and Neutralizing Activity of Antibodies Against Hepatitis C Virus E2 Peptide in Patients With Spontaneous Resolution of Hepatitis C.Hepatitis C Virus antibod Rabbit Anti-Hepatitis C V Rabbit Anti-Hepatitis C V Rabbit Anti-Polyprotein(H Rabbit Anti-Polyprotein(H HbcAg - Hepatitis B Viru Hepatitis A Virus antibod Rabbit Anti-Hepatitis C V Mouse Anti-Hepatitis A Vi Rabbit Anti-Hepatitis C V Rabbit Anti-Hepatitis C V Rabbit Anti-Polyprotein(H
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