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Obesity induces, among other effects, the activation of the kynurenine pathway and a reduction in serotonin synthesis, alterations in adipokine profiles, modifications of the hypothalamic\u2013pituitary\u2013adrenal (HPA) axis, disturbances in fatty acid ratios, oxidative stress, and dysfunction of the gamma-aminobutyric acid (GABA)ergic system. These neuroimmunological and metabolic disturbances, along with obesity-induced neurotransmission abnormalities that may represent a common underlying model of depression, could provide valuable insights into the pathomechanisms of depression, allowing for prediction of disease progression and individualized therapeutic strategies in overweight patients. Furthermore, the analysis of inflammation-associated biomarkers opens up new therapeutic perspectives, suggesting that interventions aimed at reducing inflammation might lead to potential advances in the treatment of depression.<\/jats:p>","DOI":"10.3390\/ijms26114966","type":"journal-article","created":{"date-parts":[[2025,5,22]],"date-time":"2025-05-22T04:32:37Z","timestamp":1747888357000},"page":"4966","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Relationship Between Obesity and Depression Considering the Inflammatory Theory"],"prefix":"10.3390","volume":"26","author":[{"given":"Aleksandra Julia","family":"Oracz","sequence":"first","affiliation":[{"name":"Department of Psychiatry, Medical University of Bialystok, pl. 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