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Inflammation AND depression

Karen E Assmann, Moufidath Adjibade, Nitin Shivappa, James R Hébert, Michael D Wirth, Mathilde Touvier, Tasnime Akbaraly, Serge Hercberg, Pilar Galan, Chantal Julia, Emmanuelle Kesse-Guyot
Background: While low-grade chronic inflammation has been suggested as a major modulator of healthy aging (HA), no study has yet investigated the link between the inflammatory potential of the diet and multidimensional concepts of HA. Objective: We aimed to evaluate the association between the inflammatory potential of the diet at midlife, as measured by the Dietary Inflammatory Index (DII), and HA assessed 13 y later. Methods: We analyzed data from 2796 participants in the French Supplémentation en Vitamines et Minéraux Antioxydants (SU...
March 1, 2018: Journal of Nutrition
Julie E Finnell, Brandon L Muniz, Akhila R Padi, Calliandra M Lombard, Casey M Moffitt, Christopher S Wood, L Britt Wilson, Lawrence P Reagan, Marlene A Wilson, Susan K Wood
BACKGROUND: Women are at greater risk than men of developing depression and comorbid disorders such as cardiovascular disease. This enhanced risk begins at puberty and ends following menopause, suggesting a role for ovarian hormones in this sensitivity. Here we used a model of psychosocial witness stress in female rats to determine the stress-induced neurobiological adaptations that underlie stress susceptibility in an ovarian hormone-dependent manner. METHODS: Intact or ovariectomized (OVX) female rats were exposed to five daily 15-minute witness-stress exposures...
January 31, 2018: Biological Psychiatry
Emanuele F Osimo, Rudolf N Cardinal, Peter B Jones, Golam M Khandaker
Low-grade inflammation is a risk factor for depression, psychosis and other major psychiatric disorders. It is associated with poor response to antidepressant and antipsychotics, and could potentially be a treatment target. However, there is limited data on the prevalence of low-grade inflammation in major psychiatric disorders, and on the characteristics of patients who show evidence of inflammation. We examined the prevalence of low-grade inflammation and associated socio-demographic and clinical factors in acute psychiatric inpatients...
March 1, 2018: Psychoneuroendocrinology
Hongbei Xu, Wenyi Qin, Xiao Hu, Song Mu, Jun Zhu, Wenhao Lu, Yong Luo
BACKGROUND: Ischemic stroke-induced neuroinflammation is mainly mediated by microglial cells. The nuclear factor kappa B (NF-κB) pathway is the key transcriptional pathway that initiates inflammatory responses following cerebral ischemia. OTULIN, a critical negative regulator of the NF-κΒ signaling pathway, exerts robust effects on peripheral immune cell-mediated inflammation and is regarded as an essential mediator for repressing inflammation in vivo. The effect of OTULIN on inflammatory responses in the central nervous system (CNS) was previously unstudied...
March 15, 2018: Journal of Neuroinflammation
Carine Smith
The modern lifestyle is characterised by various factors that cause accelerating ageing by the upregulation of oxidative stress and inflammation-two processes that are inextricably linked in an endless circle of self-propagation. Inflammation in particular is commonly accepted as aetiological factor in many chronic disease states, such as obesity, diabetes and depression. In terms of disease prevention or treatment, interventions aimed at changing dietary and/or exercise habits have had limited success in practise, mostly due to poor long-term compliance...
March 14, 2018: Journal of Physiology and Biochemistry
Charline Kambrun, Olivier Roca-Lapirot, Chiara Salio, Marc Landry, Aziz Moqrich, Yves Le Feuvre
C-low-threshold mechanoreceptors (C-LTMRs) are sensory neurons that, beyond conveying pleasant touch, modulate nociceptive transmission within the spinal cord. However, pain alleviation by C-LTMRs remains poorly understood. Here, we show that the C-LTMR-derived TAFA4 chemokine induces a reinforcement of inhibitory synaptic transmission within spinal networks, which consequently depresses local excitatory synapses and impairs synaptic transmission from high-threshold C-fibers. In animals with inflammation induced by Freund's complete adjuvant, TAFA4 decreases the noxious stimulus-induced neuronal responses recorded in vivo and alleviates mechanical pain...
March 13, 2018: Cell Reports
Boldizsár Czéh, Szilvia A Nagy
Depressive disorders are complex, multifactorial mental disorders with unknown neurobiology. Numerous theories aim to explain the pathophysiology. According to the "gliocentric theory", glial abnormalities are responsible for the development of the disease. The aim of this review article is to summarize the rapidly growing number of cellular and molecular evidences indicating disturbed glial functioning in depressive disorders. We focus here exclusively on the clinical studies and present the in vivo neuroimaging findings together with the postmortem molecular and histopathological data...
2018: Frontiers in Molecular Neuroscience
Mario Gennaro Mazza, Sara Lucchi, Agnese Grazia Maria Tringali, Aurora Rossetti, Eugenia Rossana Botti, Massimo Clerici
The immune and inflammatory system is involved in the etiology of mood disorders. Neutrophil/lymphocyte ratio (NLR), platelet/lymphocyte ratio (PLR) and monocyte/lymphocyte ratio (MLR) are inexpensive and reproducible biomarkers of inflammation. This is the first meta-analysis exploring the role of NLR and PLR in mood disorder. We identified 11 studies according to our inclusion criteria from the main Electronic Databases. Meta-analyses were carried out generating pooled standardized mean differences (SMDs) between index and healthy controls (HC)...
March 10, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
Brawnie Petrov, Ayat Aldoori, Cindy James, Kefeng Yang, Guillermo Perez Algorta, Aejin Lee, Liwen Zhang, Tao Lin, Reem Al Awadhi, Jonathan R Parquette, Arpad Samogyi, L Eugene Arnold, Mary A Fristad, Barbara Gracious, Ouliana Ziouzenkova
Genetic, dietary, and inflammatory factors contribute to the etiology of major mood disorders (MMD), thus impeding the identification of specific biomarkers to assist in diagnosis and treatment. We tested association of vitamin D and inflammatory markers in 36 adolescents with bipolar disorder (BD) and major depressive disorder (MDD) forms of MMD and without MMD (non-mood control). We also assessed the overall level of inflammation using a cell-based reporter assay for nuclear factor kappa-B (NFκB) activation and measuring antibodies to oxidized LDL...
March 13, 2018: Translational Psychiatry
Christina Boeck, Sophia Pfister, Alexander Bürkle, Valerie Vanhooren, Claude Libert, Juan Salinas-Manrique, Detlef E Dietrich, Iris-Tatjana Kolassa, Alexander Karabatsiakis
BACKGROUND: Glycans are short chains of saccharides linked to glycoproteins that are known to be involved in a wide range of inflammatory processes. As depression has been consistently associated with chronic low-grade inflammation, we asked whether patients with Major Depressive Disorder show alterations in the N-glycosylation pattern of serum proteins that might be linked to associated changes in inflammatory processes. METHODS: In a study cohort of 21 female patients with an acute depressive episode and 21 non-depressed female control subjects aged between 50 and 69 years, we analyzed the serum N-glycan profile by DNA Sequencer Adapted-Fluorophore Assisted Carbohydrate Electrophoresis (DSA-FACE) and assessed the serum levels of interleukin (IL)- 6, tumor necrosis factor (TNF)-α and C-reactive protein (CRP) by chemiluminescence immunoassays and nephelometry...
February 27, 2018: Journal of Affective Disorders
Ines Delgado, Lison Huet, Sandra Dexpert, Cédric Beau, Damien Forestier, Patrick Ledaguenel, Agnès Aubert, Julie Sauvant, Bruno Aouizerate, Eric Magne, Lucile Capuron
BACKGROUND: Recent reports suggest that the risk of depressive symptoms in obesity is potentiated in subjects presenting a metabolically unhealthy phenotype. Inflammation is often considered a defining criteria of metabolic health. However, this factor may drive the association of metabolic health with depressive symptoms given its well-known role in the pathophysiology of depression. This study aimed at determining the relative contribution of inflammation and metabolic abnormalities to depressive symptoms in obesity...
March 6, 2018: Psychoneuroendocrinology
Christian Herder, Andreas Schmitt, Florian Budden, André Reimer, Bernhard Kulzer, Michael Roden, Thomas Haak, Norbert Hermanns
BACKGROUND: Depressive disorders represent a frequent comorbidity of type 1 diabetes (T1D) and type 2 diabetes (T2D). Subclinical inflammation increases the risk of depressive symptoms in the general population, but the relationship appears complex and bidirectional, and longitudinal data from patients with diabetes are lacking. Therefore, this study aimed to analyse associations between changes in depressive symptoms and changes in biomarkers of inflammation in patients with T1D and T2D and to investigate the hypothesis that higher baseline levels of biomarkers of inflammation are related to a less pronounced reduction of depressive symptoms over time...
March 6, 2018: Psychoneuroendocrinology
Laura K Fonken, Matthew G Frank, Andrew D Gaudet, Heather M D'Angelo, Rachel A Daut, Emma C Hampson, Monica T Ayala, Linda R Watkins, Steven F Maier
Exposure to stressors can enhance neuroinflammatory responses, and both stress and neuroinflammation are predisposing factors in the development of psychiatric disorders. Females suffer disproportionately more from several psychiatric disorders, yet stress-induced changes in neuroinflammation have primarily been studied in males. Here we tested whether exposure to inescapable tail shock sensitizes or 'primes' neuroinflammatory responses in male and female rats. At 24 h post-stress, male and female rats exposed to a peripheral immune challenge enhanced neuroinflammatory responses and exacerbated anxiety- and depressive-like behaviors...
March 7, 2018: Brain, Behavior, and Immunity
Weihui Gou, Zhen Zhang, Chunfeng Yang, Yumei Li
Macrophage polarization plays a crucial role in regulating myocardial inflammation and injuries of coxsackievirus B3 (CVB3)-induced viral myocarditis (VM). It has been reported that miR-223 is a potent regulator of inflammatory responses that involved in macrophage polarization. However, the functional roles of miR-223 in CVB3-induced VM still remain unknown. Here, we found that miR-223 expression was significantly down-regulated in heart tissues and heart-infiltrating macrophages of CVB3-infected mice. Up-regulation of miR-223 in vivo protected the mice against CVB3-induced myocardial injuries characterized by the increased body weight and survival, enhanced left ventricular ejection fraction (LVEF) and left ventricular fractional shortening (LVFS), relieved inflammation, depressed creatine kinase-MB (CK-MB), lactate dehydrogenase (LDH) and aspartate transaminase (AST) levels, reduced production of interferon (IFN)-γ, interleukin (IL)-6 as well as increased IL-10...
March 7, 2018: Experimental Cell Research
R J T Mocking, J Assies, H G Ruhé, A H Schene
Continuous research into the pathophysiology of psychiatric disorders, such as major depressive disorder (MDD), posttraumatic stress disorder (PTSD), and schizophrenia, suggests an important role for metabolism. This narrative review will provide an up-to-date summary of how metabolism is thought to be involved in the pathophysiology of these psychiatric disorders. We will focus on (I) the important role of fatty acids in these metabolic alterations, (II) whether fatty acid alterations represent epiphenomena or risk factors, and (III) similarities and dissociations in fatty acid alterations between different psychiatric disorders...
March 9, 2018: Journal of Inherited Metabolic Disease
Tina Markus, David Ley, Stefan R Hansson, Tadeusz Wieloch, Karsten Ruscher
BACKGROUND: Labor subjects the fetus to an hypoxic episode and concomitant adrenomodullary catecholamine surge that may provide protection against the hypoxic insult. The beta1-adrenergic agonist dobutamine protects against hypoxia/aglycemia induced neuronal damage. We aimed to identify the associated protective biological processes involved. RESULTS: Hippocampal slices from 6 days old mice showed significant changes of gene expression comparing slices with or without dobutamine (50 mM) in the following two experimental paradigms: (1) control conditions versus lipopolysacharide (LPS) stimulation and (2) oxygen-glucose deprivation (OGD), versus combined LPS/OGD...
March 9, 2018: BMC Neuroscience
E M Veltman, F Lamers, H C Comijs, M L Stek, R C van der Mast, D Rhebergen
BACKGROUND: There is growing evidence that inflammatory and cortisol dysregulation are underlying pathophysiological mechanisms in the aetiology of major depressive disorder, particularly in younger adults. However, findings of biological disturbances in late-life depression have been divergent, probably due to the even greater heterogeneity of depression in older adults with aging processes influencing biological factors. Using empirically derived subtypes may enable the identification of biological disturbances underlying depression in older adults...
February 27, 2018: Journal of Affective Disorders
Xianjing Zhou, Yanxin Qi, Zhijun Zhang, Jingjing Nie, Yubin Huang, Bin-Yang Du
A novel engineered microgels with amphipathic network structures were designed and synthesized by copolymerizing N-isopropylacrylamide (NIPAm), 1-vinylimidazole (VIM) and 2-(cinnamoyloxy) ethyl methacrylate (CEMA) in the presence of 1, 6-dibromohexane. The engineered microgels possess hydrophilic quaternization crosslinking structures and hydrophobic crosslinking inner nanodomains, which are suitable for loading and simultaneous release of hydrophilic non-steroidal anti-inflammatory drug (NSAID), diclofenac sodium (DS), and hydrophobic antic cancer drug, doxorubicin (DOX), respectively...
March 9, 2018: ACS Applied Materials & Interfaces
Christian Herder, Andreas Schmitt, Florian Budden, André Reimer, Bernhard Kulzer, Michael Roden, Thomas Haak, Norbert Hermanns
Subclinical inflammation has been implicated in the development of depression, a common comorbidity of type 1 diabetes (T1D) and type 2 diabetes (T2D). This study aimed to characterise the relationships between biomarkers of inflammation and depressive symptoms in T1D and T2D. Biomarkers of inflammation were measured in serum of participants with elevated depressive symptoms and T1D (n = 389, mean age 38 years, diabetes duration 15 ± 11 years) or T2D (n = 204, mean age 56 years, diabetes duration 13 ± 8 years)...
March 9, 2018: Translational Psychiatry
Fernanda Pedrotti Moreira, Carolina David Wiener, Karen Jansen, Luis Valmor Portela, Diogo R Lara, Luciano Dias de Mattos Souza, Ricardo Azevedo da Silva, Jean Pierre Oses
OBJECTIVE: The aim of this study was to evaluate the effect of childhood trauma in cytokine serum levels of individuals with MDD. METHODS: This was a cross-sectional study population-based, with people aged 18 to 35. The Mini International Neuropsychiatric Interview (M.I.N.I) measured to current major depressive disorder (MDD). To evaluate traumatic experiences during childhood, the Childhood Trauma Questionnaire (CTQ) was applied. Serum TNF- α, IL-6 and IL-10 levels were measured by ELISA using a commercial kit...
March 5, 2018: Journal of Neuroimmunology
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