Adipose Tissue Immune Response: Novel Triggers and Consequences for Chronic Inflammatory Conditions |
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Authors: | Giorgio Ghigliotti Chiara Barisione Silvano Garibaldi Patrizia Fabbi Claudio Brunelli Paolo Spallarossa Paola Altieri Gianmarco Rosa Giovanni Spinella Domenico Palombo Razvan Arsenescu Violeta Arsenescu |
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Institution: | 1. Division of Cardiology, IRCCS University Hospital San Martino, Research Centre of Cardiovascular Biology, University of Genoa, Genoa, Italy 2. Vascular and Endovascular Surgery Unit, University of Genoa, Genoa, Italy 3. IBD Center, Division of Gastroenterology, Hepatology and Nutrition, The Ohio State University, Columbus, OH, USA 4. Mucosal Immunology IBD Laboratory, Division of Gastroenterology, Hepatology and Nutrition, The Ohio State University, 400W 12 Ave., Wiseman Hall, Room 1024, Columbus, OH, 43210, USA
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Abstract: | Adipose tissue inflammation mediates the association between excessive body fat accumulation and several chronic inflammatory diseases. A high prevalence of obesity-associated adipose tissue inflammation was observed not only in patients with cardiovascular conditions but also in patients with inflammatory bowel diseases, abdominal aortic aneurysm, or cardiorenal syndrome. In addition to excessive caloric intake, other triggers promote visceral adipose tissue inflammation followed by chronic, low-grade systemic inflammation. The infiltration and accumulation of immune cells in the inflamed and hypertrophied adipose tissue promote the production of inflammatory cytokines, contributing to target organ damages. This comorbidity seems to delimit subgroups of individuals with systemic adipose tissue inflammation and more severe chronic inflammatory diseases that are refractory to conventional treatment. This review highlights the association between adipose tissue immune response and the pathophysiology of visceral adiposity-related chronic inflammatory diseases, while suggesting several new therapeutic strategies. |
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