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Schizophrenia immunology

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https://www.readbyqxmd.com/read/28488252/multiscale-modeling-in-the-clinic-diseases-of-the-brain-and-nervous-system
#1
REVIEW
William W Lytton, Jeff Arle, Georgiy Bobashev, Songbai Ji, Tara L Klassen, Vasilis Z Marmarelis, James Schwaber, Mohamed A Sherif, Terence D Sanger
Computational neuroscience is a field that traces its origins to the efforts of Hodgkin and Huxley, who pioneered quantitative analysis of electrical activity in the nervous system. While also continuing as an independent field, computational neuroscience has combined with computational systems biology, and neural multiscale modeling arose as one offshoot. This consolidation has added electrical, graphical, dynamical system, learning theory, artificial intelligence and neural network viewpoints with the microscale of cellular biology (neuronal and glial), mesoscales of vascular, immunological and neuronal networks, on up to macroscales of cognition and behavior...
May 9, 2017: Brain Informatics
https://www.readbyqxmd.com/read/28485731/differential-antibody-responses-to-gliadin-derived-indigestible-peptides-in-patients-with-schizophrenia
#2
R T McLean, P Wilson, D St Clair, C J Mustard, J Wei
Gluten consumption has previously been implicated in the development of schizophrenia while an immunological link between gluten and schizophrenia was established by the detection of circulating antibodies against gliadin, a major component of wheat gluten. Several studies have reported an increase in circulating antibodies against native gliadin molecules that are unlikely to survive degradation in the digestive system. In this study, therefore, we measured plasma immunoglobulin G (IgG) and IgA antibodies against indigestible gliadin-derived peptide antigens using an in-house enzyme-linked immunosorbent assay (ELISA) among 169 patients with schizophrenia and 236 control subjects...
May 9, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28467611/risk-of-developing-psoriasis-in-patients-with-schizophrenia-a-nationwide-retrospective-cohort-study
#3
Sebastian Yu, Chu-Ling Yu, Yu-Chi Huang, Hung-Pin Tu, Cheng-Che E Lan
BACKGROUND: Schizophrenia is a complex disease proceeds from an interaction between genetic background and environmental factors. Recent studies showed T helper 17 (Th17) signaling, which is the main downstream immune response of psoriasis, is activated in schizophrenia. OBJECTIVE: To investigate if patients with schizophrenia have higher risk of psoriasis. METHODS: In this nationwide retrospective cohort study, we analyzed the 1-million-enroll cohort from Taiwan's National Health Insurance Research Database...
May 3, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28393621/a-review-on-the-relationship-between-gluten-and-schizophrenia-is-gluten-the-cause
#4
Can Ergün, Murat Urhan, Ahmet Ayer
INTRODUCTION: Schizophrenia is a chronic disease that possesses various clinical manifestations. It presents rather heterogeneous characteristics with respect to onset type, symptoms, and the course of the disease. Although the lifetime prevalence is as low as 1%, it can cause serious disability. Thus, it is very important to develop efficient treatment methods. In some studies, it is hypothesized that removing gluten from the diet leads to a significant improvement in disease symptoms...
April 9, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28285148/acute-variations-of-cytokine-levels-after-antipsychotic-treatment-in-drug-na%C3%A3-ve-subjects-with-a-first-episode-psychosis-a-meta-analysis
#5
REVIEW
Enrico Capuzzi, Francesco Bartoli, Cristina Crocamo, Massimo Clerici, Giuseppe Carrà
Schizophrenia is likely to be associated with immunological abnormalities. However, antipsychotics may induce immunomodulatory effects, by influencing plasma cytokines. In order to distinguish these influences, we carried out a systematic review and meta-analysis exploring the acute effect of antipsychotics on candidate cytokines plasma levels (IL-1β, IL-2, IL-6, IL-17, IFN-γ, TNF-α) among drug-naïve subjects with first episode psychosis. We searched main Electronic Databases, identifying eight studies meeting our inclusion criteria...
March 9, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28259864/-an-attempt-to-identify-22q11-2-microdeletions-in-samples-of-the-hungarian-schizophrenia-dna-bank-by-multiplex-ligation-based-probe-amplification-mlpa-literature-review-methodology-and-results
#6
Izabella Klein, Katalin Szocs, Katalin Vincze, Judit Benkovits, Szilvia Somogyi, Levente Herman, Janos M Rethelyi
Schizophrenia is a severe debilitating psychiatric disorder, with a typical onset in adolescence or early adulthood. This condition is characterized by heterogeneous symptoms (hallucinations, delusions, disorganized behaviour, affective flattening, and social isolation) and a life-time prevalence of 0.5-1.2%. In spite of the efforts to uncover the etiology of the disorder, its pathogenesis and neurobiological background are poorly understood. Given the high heritability in schizophrenia, genetic research remains an important area of focus...
December 2016: Neuropsychopharmacologia Hungarica
https://www.readbyqxmd.com/read/28255578/neuropil-pruning-in-early-course-schizophrenia-immunological-clinical-and-neurocognitive-correlates
#7
Konasale M Prasad, Ashley M Burgess, Matcheri S Keshavan, Vishwajit L Nimgaonkar, Jeffrey A Stanley
INTRODUCTION: Neuropathological studies suggest neuropil reduction in schizophrenia. Altered synaptic pruning is proposed to underlie neuropil reduction. Underlying factors and clinical correlates of synaptic pruning are poorly understood. Using phosphorus magnetic resonance spectroscopy ((31)P MRS), it is feasible to assess membrane phospholipid (MPL) metabolites in the brain that specifically and sensitively reflect neuropil expansion (elevated MPL precursors) or contraction (elevated MPL catabolites)...
November 2016: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging
https://www.readbyqxmd.com/read/28228737/schizophrenia-associated-with-epileptiform-discharges-without-seizures-successfully-treated-with-levetiracetam
#8
Dominique Endres, Evgeniy Perlov, Bernd Feige, Dirk-Matthias Altenmüller, Nils Venhoff, Ludger Tebartz van Elst
BACKGROUND: Schizophrenia-like disorders can be divided into endogenic or primary, idiopathic, polygenetic forms, and different secondary, organic subgroups [e.g., (para)epileptic, immunological, degenerative]. Epileptic and paraepileptic explanatory approaches have a long tradition due to the high rate of electroencephalography (EEG) alterations in patients with schizophrenia. CASE PRESENTATION: We present the case of a 23-year-old female patient suffering, since the age of 14 years, from a fluctuating paranoid-hallucinatory syndrome with formal thought disorder, fear, delusions of persecution, auditory, visual, and tactile hallucinations, as well as negative and cognitive symptoms...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28117000/vasopressin-and-related-peptides-potential-value-in-diagnosis-prognosis-and-treatment-of-clinical-disorders
#9
Ewa Szczepanska-Sadowska, Tymoteusz Zera, Piotr Sosnowski, Agnieszka Cudnoch-Jedrzejewska, Anna Puszko, Aleksandra Misicka
Vasopressin (AVP) and its receptors play a pivotal role in maintaining body homeostasis under physiological and pathophysiological conditions. As a consequence, the vasopressin system has emerged as an important target for both diagnostic and therapeutic applications in a number of medical conditions. Stoichiometric generation of AVP with copeptin, which is relatively accessible in the blood for measurements, makes copeptin a valuable surrogate of AVP. In this review, we present the regulation of release of AVP and activation of V1a, V1b, and V2 vasopressin receptors under physiological and pathological conditions...
January 19, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28003154/antipsychotics-influence-toll-like-receptor-tlr-expression-and-its-relationship-with-cognitive-functions-in-schizophrenia
#10
Szabolcs Kéri, Csilla Szabó, Oguz Kelemen
Increasing evidence suggests that altered immune functions are related to the pathophysiology of schizophrenia. Relatively little information is available on Toll-like receptors (TLRs), which are implicated in the recognition of molecular patterns associated with pathogens and internal cellular damage signals. By using immunophenotyping and flow cytometry, we investigated TLRs in CD14+ monocytes, CD4+CD25+Foxp3+ regulatory T cells (Treg), and CD3+CD4+CD25+ activated T cells (Tact) in 35 drug-naïve patients with schizophrenia before and after an 8-week period of antipsychotic treatment with risperidone or olanzapine...
December 19, 2016: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/27984197/chronic-nicotine-treatment-decreases-lps-signaling-through-nf-%C3%AE%C2%BAb-and-tlr-4-modulation-in-the-hippocampus
#11
Cecília Cerqueira Café-Mendes, Humberto Miguel Garay-Malpartida, Marília Brinati Malta, Cristóforo Scavone, Zulma S Ferreira, Regina P Markus, Tania Marcourakis
The hippocampus is a brain region that is rich in nicotinic acetylcholine receptors (nAChRs), especially the α7 subtype. The hippocampus is severely affected in disorders that have a neuroinflammatory component, such as Alzheimer's disease, Parkinson's disease, and schizophrenia. Previous studies demonstrated both in vivo and in vitro that nicotine inhibits immunological responses, including those that are triggered by the inflammatory agent lipopolysaccharide (LPS), the endotoxin of Gram-negative bacteria...
October 28, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/27921323/the-application-of-strand-invasion-phenomenon-directed-by-peptide-nucleic-acid-pna-and-single-stranded-dna-binding-protein-ssb-for-the-recognition-of-specific-sequences-of-human-endogenous-retroviral-herv-w-family
#12
Grzegorz Machnik, Łukasz Bułdak, Jarosław Ruczyński, Tomasz Gąsior, Małgorzata Huzarska, Dariusz Belowski, Magdalena Alenowicz, Piotr Mucha, Piotr Rekowski, Bogusław Okopień
The HERV-W family of human endogenous retroviruses represents a group of numerous sequences that show close similarity in genetic composition. It has been documented that some members of HERV-W-derived expression products are supposed to play significant role in humans' pathology, such as multiple sclerosis or schizophrenia. Other members of the family are necessary to orchestrate physiological processes (eg, ERVWE1 coding syncytin-1 that is engaged in syncytiotrophoblast formation). Therefore, an assay that would allow the recognition of particular form of HERV-W members is highly desirable...
December 6, 2016: Journal of Molecular Recognition: JMR
https://www.readbyqxmd.com/read/27920282/nmda-receptor-encephalitis-and-other-antibody-mediated-disorders-of-the-synapse-the-2016-cotzias-lecture
#13
REVIEW
Josep Dalmau
Investigations during the last 10 years have revealed a group of disorders mediated by antibodies against ion channels and synaptic receptors, which cause both neurologic and psychiatric symptoms. In this review, I discuss the process of discovery and immunologic triggers of these disorders, and use anti-NMDA receptor encephalitis to emphasize the importance of understanding the underlying physiopathologic mechanisms in those diseases. A better knowledge of these mechanisms reveals points of convergence with other disorders (e...
December 6, 2016: Neurology
https://www.readbyqxmd.com/read/27900676/functional-implications-of-the-il-23-il-17-immune-axis-in-schizophrenia
#14
REVIEW
Monojit Debnath, Michael Berk
The aetiology of schizophrenia seems to stem from complex interactions amongst environmental, genetic, metabolic, immunologic and oxidative components. Chronic low-grade inflammation has been persistently linked to schizophrenia, and this has primarily been based on the findings derived from Th1/Th2 cytokine balance. While the IL-23/IL-17 axis plays crucial role in the pathogenesis of several immune-mediated disorders, it has remained relatively unexplored in neuropsychiatric disorders. Altered levels of cytokines related to IL-23/IL-17 axis have been observed in schizophrenia patients in a few studies...
November 29, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27847927/family-association-study-of-transforming-growth-factor-beta1-gene-polymorphisms-in-schizophrenia
#15
Paweł Kapelski, Maria Skibińska, Małgorzata Maciukiewicz, Dorota Zaremba, Maria Jasiak, Joanna Hauser
OBJECTIVES: Schizophrenia is a serious mental illness with chronic symptoms and significant impairment in psychosocial functioning. An etiopathological role for immunologic abnormalities in schizophrenia was hypothesized. Inflammatory markers are well-known etiological factors for psychiatric disorders, including schizophrenia. Several studies have investigated the possible effects of antipsychotics on inflammation and neurogenesis. Additionally, antiinflammatory adjuvant therapy has been under investigation as a treatment option for schizophrenia...
2016: Psychiatria Polska
https://www.readbyqxmd.com/read/27827293/vitamin-d-deficiency-behavioral-atypicality-anxiety-and-depression-in-children-with-chromosome-22q11-2-deletion-syndrome
#16
L Kelley, A F P Sanders, E A Beaton
Chromosome 22q11.2 deletion syndrome (22q11.2DS) is a complex developmental disorder with serious medical, cognitive and emotional symptoms across the lifespan. This genetic deletion also imparts a lifetime risk for developing schizophrenia that is 25-30 times that of the general population. The origin of this risk is multifactorial and may include dysregulation of the stress response and immunological systems in relation to brain development. Vitamin D is involved in brain development and neuroprotection, gene transcription, immunological regulation and influences neuronal signal transduction...
December 2016: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/27793216/toxoplasma-gondii-a-gastrointestinal-pathogen-associated-with-human-brain-diseases
#17
E G Severance, J Xiao, L Jones-Brando, S Sabunciyan, Y Li, M Pletnikov, E Prandovszky, R Yolken
Serious psychiatric disorders such as schizophrenia, bipolar disorder, and major depression are important causes of mortality and morbidity worldwide. While these are primarily diseases involving altered brain functioning, numerous studies have documented increased rates of gastrointestinal inflammation and dysfunction in many individuals with these disorders. Toxoplasma gondii is an apicomplexan protozoan intracellular parasite with a widespread distribution in both developed and developing countries. Toxoplasma organisms enter the ecosystem through the shedding of oocysts by Toxoplasma-infected felines...
2016: International Review of Neurobiology
https://www.readbyqxmd.com/read/27781077/neuroprotective-effects-of-a%C3%A3-a%C3%A3-euterpe-oleracea-mart-against-rotenone-in-vitro-exposure
#18
Alencar Kolinski Machado, Ana Cristina Andreazza, Tatiane Morgana da Silva, Aline Augusti Boligon, Vanusa do Nascimento, Gustavo Scola, Angela Duong, Francine Carla Cadoná, Euler Esteves Ribeiro, Ivana Beatrice Mânica da Cruz
Neuropsychiatric diseases, such as bipolar disorder (BD) and schizophrenia (SCZ), have a very complex pathophysiology. Several current studies describe an association between psychiatric illness and mitochondrial dysfunction and consequent cellular modifications, including lipid, protein, and DNA damage, caused by cellular oxidative stress. Euterpe oleracea (açaí) is a powerful antioxidant fruit. Açaí is an Amazonian palm fruit primarily found in the lowlands of the Amazonian rainforest, particularly in the floodplains of the Amazon River...
2016: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/27776604/negative-affect-perceived-health-and-endocrine-and-immunological-levels-in-caregivers-of-offspring-with-schizophrenia
#19
Sara De Andrés-García, Irene Cano-López, Luis Moya-Albiol, Esperanza González-Bono
BACKGROUND: Negative affect (NA) and chronic stress are separately associated with health imbalances, and the interaction between the two aspects remains unclear. Care of relatives with long-term pathologies could be a likely model in the study of this issue, as caregivers frequently report chronic stress and health complaints. The aim of this study is examine the role of NA on psychophysiological stress-induced response and health in schizophrenia caregivers. METHOD: Forty-one caregivers were distributed into two groups accordingly to their scores in NA...
November 2016: Psicothema
https://www.readbyqxmd.com/read/27766084/vitamin-d-deficiency-in-adult-patients-with-schizophreniform-and-autism-spectrum-syndromes-a-one-year-cohort-study-at-a-german-tertiary-care-hospital
#20
Dominique Endres, Rick Dersch, Oliver Stich, Armin Buchwald, Evgeniy Perlov, Bernd Feige, Simon Maier, Andreas Riedel, Ludger Tebartz van Elst
INTRODUCTION: Vitamin D has many immunomodulatory, anti-inflammatory, and neuroprotective functions, and previous studies have demonstrated an association between vitamin D deficiency and neuropsychiatric disease. The aim of our study was to analyze the prevalence of vitamin D deficiency in a 1-year cohort of adult inpatients with schizophreniform and autism spectrum syndromes in a naturalistic inpatient setting in Germany. PARTICIPANTS AND METHODS: Our study was comprised of 60 adult schizophreniform and 23 adult high-functioning autism spectrum patients who were hospitalized between January and December of 2015...
2016: Frontiers in Psychiatry
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