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Inflammation and psychiatry

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https://www.readbyqxmd.com/read/28303497/n-acetylcysteine-prevents-alcohol-related-neuroinflammation-in-rats
#1
Ricardo Schneider, Solange Bandiera, Débora Guerini Souza, Bruna Bellaver, Greice Caletti, André Quincozes-Santos, Elaine Elisabetsky, Rosane Gomez
Alcoholism has been characterized as a systemic pro-inflammatory condition and alcohol withdrawal has been linked to various changes in the brain homeostasis, including oxidative stress and glutamate hyperactivity. N-acetylcysteine (NAC) is an anti-inflammatory and antioxidant multi-target drug with promising results in psychiatry, including drug addiction. We assessed the effects of NAC on the serum and brain inflammatory cytokines after cessation of chronic alcohol treatment in rats. Male Wistar rats received 2 g/kg alcohol or vehicle twice a day by oral gavage for 30 days...
March 16, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28194004/genetic-contributions-to-self-reported-tiredness
#2
V Deary, S P Hagenaars, S E Harris, W D Hill, G Davies, D C M Liewald, A M McIntosh, C R Gale, I J Deary
Self-reported tiredness and low energy, often called fatigue, are associated with poorer physical and mental health. Twin studies have indicated that this has a heritability between 6 and 50%. In the UK Biobank sample (N=108 976), we carried out a genome-wide association study (GWAS) of responses to the question, 'Over the last two weeks, how often have you felt tired or had little energy?' Univariate GCTA-GREML found that the proportion of variance explained by all common single-nucleotide polymorphisms for this tiredness question was 8...
February 14, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28138158/selective-increase-of-cerebrospinal-fluid-il-6-during-experimental-systemic-inflammation-in-humans-association-with-depressive-symptoms
#3
H Engler, P Brendt, J Wischermann, A Wegner, R Röhling, T Schoemberg, U Meyer, R Gold, J Peters, S Benson, M Schedlowski
Systemic inflammation is accompanied by profound behavioral and mood changes that resemble symptoms of depression. Findings in animals suggest that pro-inflammatory cytokines released by activated immune cells in the periphery evoke these behavioral symptoms by driving inflammatory changes in the brain. However, experimental data in humans are lacking. Here we demonstrate in healthy male volunteers (10 endotoxin treated, 8 placebo treated) that intravenous administration of low-dose endotoxin (0.8 ng/kg body weight), a prototypical pathogen-associated molecular pattern that activates the innate immune system, not only induces a significant increase in peripheral blood cytokine concentrations (that is, tumor necrosis factor-α, interleukin (IL)-6, IL-10) but also results, with some latency, in a robust and selective increase of IL-6 in the cerebrospinal fluid (CSF)...
January 31, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28093569/translational-evaluation-of-translocator-protein-as-a-marker-of-neuroinflammation-in-schizophrenia
#4
T Notter, J M Coughlin, T Gschwind, U Weber-Stadlbauer, Y Wang, M Kassiou, A C Vernon, D Benke, M G Pomper, A Sawa, U Meyer
Positron emission tomography (PET) imaging with radiotracers that target translocator protein 18 kDa (TSPO) has become a popular approach to assess putative neuroinflammatory processes and associated microglia activation in psychotic illnesses. It remains unclear, however, whether TSPO imaging can accurately capture low-grade inflammatory processes such as those present in schizophrenia and related disorders. Therefore, we evaluated the validity of TSPO as a disease-relevant marker of inflammation using a translational approach, which combined neurodevelopmental and neurodegenerative mouse models with PET imaging in patients with recent-onset schizophrenia and matched controls...
January 17, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28070126/lipocalin-2-protects-the-brain-during-inflammatory-conditions
#5
S S Kang, Y Ren, C-C Liu, A Kurti, K E Baker, G Bu, Y Asmann, J D Fryer
Sepsis is a prevalent health issue that can lead to central nervous system (CNS) inflammation with long-term behavioral and cognitive alterations. Using unbiased proteomic profiling of over 100 different cytokines, we found that Lipocalin-2 (LCN2) was the most substantially elevated protein in the CNS after peripheral administration of lipopolysaccharide (LPS). To determine whether the high level of LCN2 in the CNS is protective or deleterious, we challenged Lcn2(-/-) mice with peripheral LPS and determined effects on behavior and neuroinflammation...
January 10, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28064175/neuroimaging-of-inflammation-in-memory-and-related-other-disorders-nimrod-study-protocol-a-deep-phenotyping-cohort-study-of-the-role-of-brain-inflammation-in-dementia-depression-and-other-neurological-illnesses
#6
W Richard Bevan-Jones, Ajenthan Surendranathan, Luca Passamonti, Patricia Vázquez Rodríguez, Robert Arnold, Elijah Mak, Li Su, Jonathan P Coles, Tim D Fryer, Young T Hong, Guy Williams, Franklin Aigbirhio, James B Rowe, John T O'Brien
INTRODUCTION: Inflammation of the central nervous system is increasingly regarded as having a role in cognitive disorders such as dementia and depression, but it is not clear how such inflammation relates to other aspects of neuropathology, structural and functional changes in the brain and symptoms (as assessed via clinical and neuropsychological assessment and MRI). This study will explore these pathophysiological mechanisms using positron emission tomography (PET) which allows in vivo imaging of inflammation, amyloid and τ deposition, together with neuropsychological profiling, MRI and peripheral biomarker analysis...
January 7, 2017: BMJ Open
https://www.readbyqxmd.com/read/27913990/sirukumab-a-potential-treatment-for-mood-disorders
#7
REVIEW
Aileen J Zhou, Yena Lee, Giacomo Salvadore, Benjamin Hsu, Trehani M Fonseka, Sidney H Kennedy, Roger S McIntyre
Convergent evidence indicates that abnormalities in the innate immune system may be pertinent to the pathogenesis, phenomenology, and possible treatment of several mental disorders. In keeping with this view, the targeting of interleukin-6 with the human monoclonal antibody sirukumab may represent a possible treatment and disease modification approach, for adults with brain-based disorders (e.g., major depressive disorder). A PubMed/Medline database search was performed using the following search terms: sirukumab; anti-IL-6; IL-6; major depressive disorder; inflammation...
January 2017: Advances in Therapy
https://www.readbyqxmd.com/read/27872486/alpha-2-macroglobulin-in-alzheimer-s-disease-a-marker-of-neuronal-injury-through-the-rcan1-pathway
#8
V R Varma, S Varma, Y An, T J Hohman, S Seddighi, R Casanova, A Beri, E B Dammer, N T Seyfried, O Pletnikova, A Moghekar, M R Wilson, J J Lah, R J O'Brien, A I Levey, J C Troncoso, M S Albert, M Thambisetty
Preclinical changes that precede the onset of symptoms and eventual diagnosis of Alzheimer's disease (AD) are a target for potential preventive interventions. A large body of evidence suggests that inflammation is closely associated with AD pathogenesis and may be a promising target pathway for such interventions. However, little is known about the association between systemic inflammation and preclinical AD pathophysiology. We first examined whether the acute-phase protein, alpha-2 macroglobulin (A2M), a major component of the innate immune system, was associated with cerebrospinal fluid (CSF) markers of neuronal injury in preclinical AD and risk of incident AD in the predictors of cognitive decline among normal individuals (BIOCARD) cohort...
January 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/27752078/antidepressant-activity-of-anti-cytokine-treatment-a-systematic-review-and-meta-analysis-of-clinical-trials-of-chronic-inflammatory-conditions
#9
N Kappelmann, G Lewis, R Dantzer, P B Jones, G M Khandaker
Inflammatory cytokines are commonly elevated in acute depression and are associated with resistance to monoaminergic treatment. To examine the potential role of cytokines in the pathogenesis and treatment of depression, we carried out a systematic review and meta-analysis of antidepressant activity of anti-cytokine treatment using clinical trials of chronic inflammatory conditions where depressive symptoms were measured as a secondary outcome. Systematic search of the PubMed, EMBASE, PsycINFO and Cochrane databases, search of reference lists and conference abstracts, followed by study selection process yielded 20 clinical trials...
October 18, 2016: Molecular Psychiatry
https://www.readbyqxmd.com/read/27646264/depression-daily-stressors-and-inflammatory-responses-to-high-fat-meals-when-stress-overrides-healthier-food-choices
#10
J K Kiecolt-Glaser, C P Fagundes, R Andridge, J Peng, W B Malarkey, D Habash, M A Belury
Depression, stress and diet can all alter inflammation. This double-blind, randomized crossover study addressed the impact of daily stressors and a history of major depressive disorder (MDD) on inflammatory responses to high-fat meals. During two separate 9.5 h admissions, 58 healthy women (38 breast cancer survivors and 20 demographically similar controls), mean age 53.1 years, received either a high saturated fat meal or a high oleic sunflower oil meal. The Daily Inventory of Stressful Events assessed prior day stressors and the Structured Clinical Interview for DSM-IV evaluated MDD...
March 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/27646260/prevention-of-behavioral-deficits-in-rats-exposed-to-folate-receptor-antibodies-implication-in-autism
#11
A Desai, J M Sequeira, E V Quadros
Folate receptor alpha (FRα) autoantibodies have been associated with fetal abnormalities and cerebral folate deficiency-related developmental disorders. Over 70% of the children with autism spectrum disorders (ASD) are positive for these autoantibodies and high-dose folinic acid is beneficial in treating these children. Here we show that antibodies (Abs) to the rat FRα administered during gestation produce communication, learning and cognitive deficits in a rat model that can be prevented by folinic acid and dexamethasone...
September 20, 2016: Molecular Psychiatry
https://www.readbyqxmd.com/read/27587328/aspree-d-aspirin-for-the-prevention-of-depression-in-the-elderly
#12
Michael Berk, R L Woods, M R Nelson, R C Shah, C M Reid, E Storey, S M Fitzgerald, J E Lockery, R Wolfe, M Mohebbi, A M Murray, B Kirpach, R Grimm, J J McNeil
BACKGROUND: Not only is depression associated with increased inflammation but inflammation is a risk factor for the genesis of depression. Many of the environmental risk factors for depression are transduced through inflammatory signaling. Anti-inflammatory agents show promise for the management of depression in preclinical, epidemiological, and early clinical studies. This opens the door to the potential for anti-inflammatory agents to treat and prevent depression. There are no evidence-based pharmacotherapies for depression prevention...
October 2016: International Psychogeriatrics
https://www.readbyqxmd.com/read/27574431/relationship-between-neutrophil-lymphocyte-ratio-with-oxidative-stress-and-psychopathology-in-patients-with-schizophrenia
#13
Burak Kulaksizoglu, Sibel Kulaksizoglu
INTRODUCTION: The aim of our study was to evaluate the relationship between neutrophil/lymphocyte ratio (NLR) and total antioxidant status (TAS), total oxidative status (TOS), oxidative stress index (OSI), paraoxonase, and total thiol (T.thl) in schizophrenic patients compared to healthy control group and investigate the relationship between these parameters and psychopathological symptoms. METHODS: The study population consisted of 61 healthy control subjects and 64 volunteer patients monitored in the outpatient clinics of psychiatry of Antalya Education and Research Hospital...
2016: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/27431396/does-diet-matter-the-use-of-polyunsaturated-fatty-acids-pufas-and-other-dietary-supplements-in-inflammation-associated-depression
#14
Caitlín N M Hastings, Hannah Sheridan, Carmine M Pariante, Valeria Mondelli
An increasingly pertinent issue in psychiatry in recent years is that of the limitations of conventional antidepressants, which are not effective in a large number of patients with major depressive disorder (MDD). Coupled with emerging hypotheses about the role of inflammation in depression, it would appear that it is time to look for alternative treatments for these symptoms.This review will examine an emerging area in psychiatry, that of dietary supplements and the diet in general to treat depressive symptoms, and inflammation in depression...
2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/27350034/transcriptome-sequencing-implicates-dorsal-striatum-specific-gene-network-immune-response-and-energy-metabolism-pathways-in-bipolar-disorder
#15
R Pacifico, R L Davis
Bipolar disorder (BD) is a highly heritable and heterogeneous mental illness whose manifestations often include impulsive and risk-taking behavior. This particular phenotype suggests that abnormal striatal function could be involved in BD etiology, yet most transcriptomic studies of this disorder have concentrated on cortical brain regions. We believe we report the first transcriptome sequencing of the postmortem human dorsal striatum comparing bipolar (18) and control (17) subjects. Fourteen genes were detected as differentially expressed at a 5% false discovery rate, including a few immune response genes such as NLRC5, S100A12, LILRA4 and FCGBP, as well as an assortment of non-protein coding genes...
March 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/27271499/postmortem-evidence-of-cerebral-inflammation-in-schizophrenia-a-systematic-review
#16
REVIEW
M O Trépanier, K E Hopperton, R Mizrahi, N Mechawar, R P Bazinet
Schizophrenia is a psychiatric disorder which has a lifetime prevalence of ~1%. Multiple candidate mechanisms have been proposed in the pathogenesis of schizophrenia. One such mechanism is the involvement of neuroinflammation. Clinical studies, including neuroimaging, peripheral biomarkers and randomized control trials, have suggested the presence of neuroinflammation in schizophrenia. Many studies have also measured markers of neuroinflammation in postmortem brain samples from schizophrenia patients. The objective of this study was to conduct a systematic search of the literature on neuroinflammation in postmortem brains of schizophrenia patients indexed in MEDLINE, Embase and PsycINFO...
August 2016: Molecular Psychiatry
https://www.readbyqxmd.com/read/27263834/safety-pharmacology-investigations-on-the-nervous-system-an-industry-survey
#17
Simon Authier, Joseph Arezzo, Marcus S Delatte, Mary-Jeanne Kallman, Carrie Markgraf, Dominique Paquette, Michael K Pugsley, Sian Ratcliffe, William S Redfern, Joanne Stevens, Jean-Pierre Valentin, Hugo M Vargas, Michael J Curtis
The Safety Pharmacology Society (SPS) conducted an industry survey in 2015 to identify industry practices as they relate to central, peripheral and autonomic nervous system ('CNS') drug safety testing. One hundred fifty-eight (158) participants from Asia (16%), Europe (20%) and North America (56%) responded to the survey. 52% of participants were from pharmaceutical companies (>1000 employees). Oncology (67%) and neurology/psychiatry (66%) were the most frequent target indications pursued by companies followed by inflammation (48%), cardiovascular (43%), metabolic (39%), infectious (37%), orphan (32%) and respiratory (29%) diseases...
September 2016: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/27229941/highlights-lecture-eanm-2015-the-search-for-nuclear-medicine-s-superheroes
#18
Andreas Buck, Clemens Decristoforo
The EANM 2015 Annual Congress, held from October 10th to 14th in Hamburg, Germany, was outstanding in many respects. With 5550 participants, this was by far the largest European congress concerning nuclear medicine. More than 1750 scientific presentations were submitted, with more than 250 abstracts from young scientists, indicating that the future success of our discipline is fuelled by a high number of young individuals becoming involved in a multitude of scientific activities. Significant improvements have been made in molecular imaging of cancer, particularly in prostate cancer...
September 2016: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/27206977/the-value-of-interleukin-6-as-a-peripheral-diagnostic-marker-in-schizophrenia
#19
Kayla A Chase, Jackson J Cone, Cherise Rosen, Rajiv P Sharma
BACKGROUND: Associations between a pro-inflammatory state and schizophrenia have been one of the more enduring findings of psychiatry, with various lines of evidence suggesting a compelling role for IL-6 in the underlying pathogenesis of schizophrenia. METHODS: In this study, we examined IL-6 mRNA levels by real-time RT-PCR from fresh extracted peripheral blood mononuclear cells (PBMC) in normal controls and participants with schizophrenia. RESULTS: We found that peripheral PBMC IL-6 mRNA levels, in the absence of any other information, reliably discriminated between a diagnosis of schizophrenia and normal controls...
May 20, 2016: BMC Psychiatry
https://www.readbyqxmd.com/read/27090302/inflammasome-signaling-affects-anxiety-and-depressive-like-behavior-and-gut-microbiome-composition
#20
M-L Wong, A Inserra, M D Lewis, C A Mastronardi, L Leong, J Choo, S Kentish, P Xie, M Morrison, S L Wesselingh, G B Rogers, J Licinio
The inflammasome is hypothesized to be a key mediator of the response to physiological and psychological stressors, and its dysregulation may be implicated in major depressive disorder. Inflammasome activation causes the maturation of caspase-1 and activation of interleukin (IL)-1β and IL-18, two proinflammatory cytokines involved in neuroimmunomodulation, neuroinflammation and neurodegeneration. In this study, C57BL/6 mice with genetic deficiency or pharmacological inhibition of caspase-1 were screened for anxiety- and depressive-like behaviors, and locomotion at baseline and after chronic stress...
June 2016: Molecular Psychiatry
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