Zeina Akiki1, Marta Rava2, Oscar Diaz Gil3, Isabelle Pin4, Nicole le Moual5, Valérie Siroux4, Stefano Guerra6, Soulaima Chamat7, Regis Matran8, Montserrat Fitó3, Pascale Salameh9, Rachel Nadif5. 1. INSERM, U1168, VIMA: Aging and Chronic Diseases, Epidemiological and Public Health Approaches, F-94807, Villejuif, France; Univ Versailles St-Quentin-en-Yvelines, UMR-S 1168, F-78180, Montigny le Bretonneux, France; Univ Paris Sud, Villejuif, France; Laboratory of Immunology, Faculty of Public Health - EDST E006, Lebanese Univ, Fanar, Lebanon. Electronic address: zeina.akiki@inserm.fr. 2. INSERM, U1168, VIMA: Aging and Chronic Diseases, Epidemiological and Public Health Approaches, F-94807, Villejuif, France; Univ Versailles St-Quentin-en-Yvelines, UMR-S 1168, F-78180, Montigny le Bretonneux, France; Spanish National Cancer Research Centre (CNIO), Genetic & Molecular Epidemiology Group, Human Cancer Genetics Program, Madrid, Spain. 3. Cardiovascular Risk and Nutrition (Regicor Study Group), Hospital del Mar Research Institute (IMIM), Barcelona, Spain; CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Institute of Health Carlos III, Madrid, Spain. 4. INSERM, IAB, Team of Environmental Epidemiology Applied to Reproduction and Respiratory Health, Grenoble, France; Univ. Grenoble Alpes, Grenoble, France; CHU de Grenoble, Pediatrie, Grenoble, France. 5. INSERM, U1168, VIMA: Aging and Chronic Diseases, Epidemiological and Public Health Approaches, F-94807, Villejuif, France; Univ Versailles St-Quentin-en-Yvelines, UMR-S 1168, F-78180, Montigny le Bretonneux, France. 6. Asthma and Airway Disease Research Center and Department of Medicine, University of Arizona, Tucson AZ, United States; ISGlobal CREAL and Pompeu Fabra University, Barcelona, Spain. 7. Laboratory of Immunology, Faculty of Public Health - EDST E006, Lebanese Univ, Fanar, Lebanon; Faculty of Medicine, Lebanese Univ, Hadath, Lebanon. 8. Univ Lille, F-59000, Lille, France; CHU Lille, F-59000, Lille, France. 9. Laboratory of Immunology, Faculty of Public Health - EDST E006, Lebanese Univ, Fanar, Lebanon; Clinical and Epidemiological Research Laboratory, Faculty of Pharmacy, Lebanese Univ, Beirut, Lebanon.
Abstract
BACKGROUND: To which extent serum cytokines may predict asthma control in adults remains understudied. OBJECTIVES: We investigated cross-sectional and longitudinal associations between cytokine profiles and asthma outcomes. METHODS: Serum interleukin (IL)-1Ra, IL-5, IL-7, IL-8, IL-10, IL-13 and TNF-α levels were determined in 283 adults with current asthma from the 2nd survey of the Epidemiological Study on the Genetics and Environment of Asthma (EGEA2). Participants were followed-up seven years later. Asthma symptom control was assessed according to GINA 2015 guidelines. Cytokine profiles were identified by principal component (PC) analyses, and expressed as above/below the median. RESULTS: The first two PCs captured 82.5% of the variability. While all seven cytokines scored high on PC1, only IL-1Ra and IL-10 scored high on PC2. At EGEA2, neither PC1 nor PC2 were related to exacerbations, asthma attacks, asthma symptom control, lung function, or allergic diseases. High level of PC1 (above the median) was associated with higher blood neutrophil counts (P = 0.02), while high level of PC2 was associated with lower IgE levels (P = 0.04). High level of PC2 at EGEA2 was associated with lower bronchial hyperresponsiveness (adjusted(a) OR[95%CI] = 0.46[0.23; 0.91]) and with subsequent lower risk of worsening asthma control and attacks (aOR[95%CI] = 0.24[0.09; 0.60]; 0.31[0.11; 0.85] respectively). CONCLUSIONS: Serum cytokine profiles with high levels of IL-1Ra and IL-10 were associated with lower subsequent risks of worsening asthma control and attacks in adults. This study adds new findings for the role of serum cytokine profiles to help identifying adults with subsequent risk of asthma burden that could be targeted for specific therapies.
BACKGROUND: To which extent serum cytokines may predict asthma control in adults remains understudied. OBJECTIVES: We investigated cross-sectional and longitudinal associations between cytokine profiles and asthma outcomes. METHODS: Serum interleukin (IL)-1Ra, IL-5, IL-7, IL-8, IL-10, IL-13 and TNF-α levels were determined in 283 adults with current asthma from the 2nd survey of the Epidemiological Study on the Genetics and Environment of Asthma (EGEA2). Participants were followed-up seven years later. Asthma symptom control was assessed according to GINA 2015 guidelines. Cytokine profiles were identified by principal component (PC) analyses, and expressed as above/below the median. RESULTS: The first two PCs captured 82.5% of the variability. While all seven cytokines scored high on PC1, only IL-1Ra and IL-10 scored high on PC2. At EGEA2, neither PC1 nor PC2 were related to exacerbations, asthma attacks, asthma symptom control, lung function, or allergic diseases. High level of PC1 (above the median) was associated with higher blood neutrophil counts (P = 0.02), while high level of PC2 was associated with lower IgE levels (P = 0.04). High level of PC2 at EGEA2 was associated with lower bronchial hyperresponsiveness (adjusted(a) OR[95%CI] = 0.46[0.23; 0.91]) and with subsequent lower risk of worsening asthma control and attacks (aOR[95%CI] = 0.24[0.09; 0.60]; 0.31[0.11; 0.85] respectively). CONCLUSIONS: Serum cytokine profiles with high levels of IL-1Ra and IL-10 were associated with lower subsequent risks of worsening asthma control and attacks in adults. This study adds new findings for the role of serum cytokine profiles to help identifying adults with subsequent risk of asthma burden that could be targeted for specific therapies.
Authors: Matthew S Godwin; Kristen M Reeder; Jaleesa M Garth; Jonathan P Blackburn; MaryJane Jones; Zhihong Yu; Sadis Matalon; Annette T Hastie; Deborah A Meyers; Chad Steele Journal: JCI Insight Date: 2019-11-01
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