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Schizophrenia immunology

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https://www.readbyqxmd.com/read/29045744/developmental-differences-between-schizophrenia-and-bipolar-disorder
#1
Mara Parellada, Sandra Gomez-Vallejo, Monica Burdeus, Celso Arango
Ample evidence supports a neurodevelopmental origin in some cases of schizophrenia (SZ). More inconsistent information is available for bipolar disorder (BD). We herein review studies with a focus on premorbid (adjustment and functionality) and early developmental milestones that include both SZ and BD patients. A search was performed in the PubMed electronic database, retrieving 619 abstracts; 30 were ultimately included in this systematic review. Eight prospective cohorts, 15 retrospective studies, and 7 studies based on national registries...
October 14, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28953849/the-role-of-hormones-and-inflammatory-markers-in-cognitive-functioning-of-schizophrenic-patients
#2
Krzysztof Krysta, Marek Krzystanek, Wiesław J Cubała, Mariusz S Wiglusz, Katarzyna Jakuszkowiak-Wojten, Maria Gałuszko-Węgielnik, Monika Czarnowska-Cubała, Joanna Szarmach, Adam Włodarczyk, Małgorzata Janas-Kozik
BACKGROUND: In the literature we can find evidence that immunological processes are involved the alterations of cognition in schizophrenic patients. Another factor, which may have an impact on cognitive domains in this clinical group are hormones. OBJECTIVE: The objective of this review was to explore studies, in which the role of both immunological and endocrine factors on cognitive functions in schizophrenia are analyzed. METHODS: The search of papers covering this topic in PubMed and Google Scholar was performed...
September 2017: Psychiatria Danubina
https://www.readbyqxmd.com/read/28942756/association-between-schizophrenia-and-an-autoimmune-bullous-skin-disease-pemphigus-a-population-based-large-scale-study
#3
K Kridin, S Zelber-Sagi, D Comaneshter, A D Cohen
AIMS: Immunological hypotheses have become increasingly prominent suggesting that autoimmunity may be involved in the pathogenesis of schizophrenia. Schizophrenia was found to be associated with a wide range of autoimmune diseases. However, the association between pemphigus and schizophrenia has not been established yet. We aimed to estimate the association between pemphigus and schizophrenia using a large-scale real-life computerised database. METHODS: This study was conducted as a cross-sectional study utilising the database of Clalit Health Services...
September 25, 2017: Epidemiology and Psychiatric Sciences
https://www.readbyqxmd.com/read/28925886/the-microbiota-gut-brain-axis-in-neuropsychiatric-disorders-pathophysiological-mechanisms-and-novel-treatments
#4
Yong-Ku Kim, Cheolmin Shin
BACKGROUND: The human gut microbiome comprise a huge number of microorganisms with co-evolutionary associations with humans. It has been repeatedly revealed that bidirectional communication exists between the brain and the gut and involves neural, hormonal, and immunological pathways. Evidences from neuroscience researches over the past few years suggest that microbiota is essential for the development and maturation of brain systems that are associated to stress responses. METHOD: This review provides that the summarization of the communication among microbiota, gut and brain and the results of preclinical and clinical studies on gut microbiota used in treatments for neuropsychiatric disorders...
September 15, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28843452/the-microbiome-as-a-key-regulator-of-brain-behavior-and-immunity-commentary-on-the-2017-named-series
#5
Michael T Bailey, John F Cryan
The focus on the microbiome for the 2017 Named Series in Brain, Behavior, and Immunity reflects the rapidly growing interest in commensal microbes and the effects that they can have on physiological processes often studied in PsychoNeuroImmunology Research. The studies included in this Named Series show that commensal microbes can impact immune system activity, as well as brain and behavioral processes across the lifespan, and are involved in behavioral and immunological responses to social stresses. The studies also show that dietary effects on brain, behavior, and immunity often involve alterations of the gut microbiota...
August 23, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28839195/erratum-uniting-the-neurodevelopmental-and-immunological-hypotheses-neuregulin-1-receptor-erbb-and-toll-like-receptor-activation-in-first-episode-schizophrenia
#6
Szabolcs Kéri, Csilla Szabó, Oguz Kelemen
A correction to this article has been published and is linked from the HTML version of this paper. The error has been fixed in the paper.
August 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28810663/different-properties-of-polysialic-acids-synthesized-by-the-polysialyltransferases-st8sia2-and-st8sia4
#7
Airi Mori, Masaya Hane, Yuki Niimi, Ken Kitajima, Chihiro Sato
Polysialic acid (polySia) is mainly found as a modification of neural cell adhesion molecule (NCAM) in whole embryonic brains, as well as restricted areas of adult vertebrate brains, including the hippocampus. PolySia shows not only repulsive effects on NCAM-involved cell-cell interactions due to its bulky and hydrated properties, but also attractive effects on the interaction with neurologically active molecules, which exerts a reservoir function. Two different polysialyltransferases, ST8SIA2 and ST8SIA4, are involved in the synthesis of polySia chains; however, to date, the differences of the properties between polySia chains synthesized by these two enzymes remain unknown...
September 1, 2017: Glycobiology
https://www.readbyqxmd.com/read/28805697/multiple-sclerosis-and-schizophrenia
#8
REVIEW
Borros M Arneth
The psychiatric and neurological aspects of health may present methodological challenges in the diagnosis and treatment of disease. This is especially true for patients whose symptoms indicate the coexistence of multiple sclerosis (MS) and schizophrenia (SCZ). These cases raise critical questions regarding the relationship between the mind and the brain. Studies have noted that patients with MS have an increased risk of developing SCZ or bipolar disorder (BD). It is suggested here that MS and a subgroup of SCZ have similar etiologies...
August 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28753980/transgenerational-social-stress-alters-immune-behavior-associations-and-the-response-to-vaccination
#9
Alexandria Hicks-Nelson, Gillian Beamer, Kursat Gurel, Rachel Cooper, Benjamin C Nephew
Similar to the multi-hit theory of schizophrenia, social behavior pathologies are mediated by multiple factors across generations, likely acting additively, synergistically, or antagonistically. Exposure to social adversity, especially during early life, has been proposed to induce depression symptoms through immune mediated mechanisms. Basal immune factors are altered in a variety of neurobehavioral models. In the current study, we assessed two aspects of a transgenerational chronic social stress (CSS) rat model and its effects on the immune system...
July 21, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28742074/untargeted-screening-for-novel-autoantibodies-with-prognostic-value-in-first-episode-psychosis
#10
A Zandian, L Wingård, H Nilsson, E Sjöstedt, D X Johansson, D Just, C Hellström, M Uhlén, J M Schwenk, A Häggmark-Månberg, O Norbeck, B Owe-Larsson, P Nilsson, M A A Persson
Immunological and inflammatory reactions have been suggested to have a role in the development of schizophrenia, a hypothesis that has recently been supported by genetic data. The aim of our study was to perform an unbiased search for autoantibodies in patients with a first psychotic episode, and to explore the association between any seroreactivity and the development of a Diagnostic and Statistical Manual of Mental Disorders, fourth edition (DSM-IV) disorder characterized by chronic or relapsing psychotic symptoms...
July 25, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28694195/hemoglobins-emerging-roles-in-mental-disorders-metabolical-genetical-and-immunological-aspects
#11
REVIEW
Meric A Altinoz, Bahri Ince
Hemoglobin (Hb) expression in the central nervous system is recently shown. Cooccurences of mental disorders (mainly bipolar disorder (BD) and tic disorders) with β- or α-thalassemia trait or erythrocytosis were witnessed, which may be due to peripheral or central hypoxia/hyperoxia or haplotypal gene interactions. β-Globin genes reside at 11p15.5 close to tyrosine hydroxylase, dopamine receptor DRD4 and Brain Derived Neurotrophic Factor, which involve in psychiatric diseases. α-Globin genes reside at 16p13...
October 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28676105/antipsychotic-associated-psoriatic-rash-a-case-report
#12
Camelia-Eugenia Bujor, Torkel Vang, Jimmi Nielsen, Ole Schjerning
BACKGROUND: Antipsychotics are a heterogeneous group of drugs. Although, antipsychotics have been used for years, unexpected side effects may still occur. With this case report we focus on a possible association between psoriasis and antipsychotics. Data on the patient's course of psychiatric disease, onset of psoriasis and its evolution were extracted from the patient's medical files. CASE PRESENTATION: We present a case of a 21-year-old female diagnosed with schizophrenia...
July 4, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28671614/endocannabinod-signal-dysregulation-in-autism-spectrum-disorders-a-correlation-link-between-inflammatory-state-and-neuro-immune-alterations
#13
REVIEW
Anna Lisa Brigida, Stephen Schultz, Mariana Cascone, Nicola Antonucci, Dario Siniscalco
Several studies highlight a key involvement of endocannabinoid (EC) system in autism pathophysiology. The EC system is a complex network of lipid signaling pathways comprised of arachidonic acid-derived compounds (anandamide, AEA) and 2-arachidonoyl glycerol (2-AG), their G-protein-coupled receptors (cannabinoid receptors CB1 and CB2) and the associated enzymes. In addition to autism, the EC system is also involved in several other psychiatric disorders (i.e., anxiety, major depression, bipolar disorder and schizophrenia)...
July 3, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28656540/human-endogenous-retrovirus-w-env-increases-nitric-oxide-production-and-enhances-the-migration-ability-of-microglia-by-regulating-the-expression-of-inducible-nitric-oxide-synthase
#14
Ran Xiao, Shan Li, Qian Cao, Xiuling Wang, Qiujin Yan, Xiaoning Tu, Ying Zhu, Fan Zhu
Human endogenous retrovirus W env (HERV-W env) plays a critical role in many neuropsychological diseases such as schizophrenia and multiple sclerosis (MS). These diseases are accompanied by immunological reactions in the central nervous system (CNS). Microglia are important immunocytes in brain inflammation that can produce a gasotransmitter-nitric oxide (NO). NO not only plays a role in the function of neuronal cells but also participates in the pathogenesis of various neuropsychological diseases. In this study, we reported increased NO production in CHME-5 microglia cells after they were transfected with HERV-W env...
June 2017: Virologica Sinica
https://www.readbyqxmd.com/read/28646138/uniting-the-neuro-developmental-and-immunological-hypotheses-neuregulin-1-receptor-erbb-and-toll-like-receptor-activation-in-first-episode-schizophrenia
#15
Szabolcs Kéri, Csilla Szabó, Oguz Kelemen
Current pathophysiological models of schizophrenia focus on neurodevelopmental and immunological mechanisms. We investigated a molecular pathway traditionally linked to the neurodevelopmental hypothesis (neuregulin 1 - ErbB), and pathogen-associated pattern recognition receptors associated with the immune hypothesis (Toll-like receptors, TLRs). We recruited 42 first-episode, drug-naïve patients with schizophrenia and 42 matched healthy control subjects. In monocytes TLR4/TLR5 and ErbB expressions were measured with flow-cytometry...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28617372/-characteristics-of-psychopathological-symptomatology-in-hiv-infection-schizophrenic-patients
#16
D A Polyanskiy, V V Kalinin
AIM: To study the psychopathological structure of psychotic syndromes in HIV-infected schizophrenic patients and in patients without HIV infection. MATERIAL AND METHODS: Forty HIV-infected patients, 23 women and 17 men, with confirmed diagnosis of schizophrenia were included in the study. The control group consisted of 40 patients without HIV infection, 23 women (48%) and 17 men (52%). The psychopathological state in all patients was assessed with the PANSS. Flow cytometry was used to measure immunological parameters in HIV-infected patients...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28610803/catatonia-is-not-schizophrenia-and-it-is-treatable
#17
Francisco J Appiani, Gonzalo S Castro
Catatonia is a cluster of motor features that appears in many recognized psychiatric illnesses, that according to the DSM-5 it is not linked as a subtype to schizophrenia anymore. The classic signs are mutism, a rigid posture, fixed staring, stereotypic movements, and stupor, which are all part of a broad psychopathology that may be found in affective, thought, neurological, toxic, metabolic and immunological disorders. Despite the many etiologies, catatonia may be a life-threatening condition with a specific treatment...
June 10, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28566947/immunological-aspects-of-the-treatment-of-depression-and-schizophrenia
#18
Norbert Müller
Schizophrenia and major depression (MD) have been associated with immune system dysfunction. One example of this is the altered level of cytokines-important inflammatory mediators-in blood, and a proinflammatory immune state has been described in some subgroups of patients. A knock to the immune system in early life might trigger a life-long increased immune reactivity, and infections and autoimmune disorders are now known to be risk factors for development of schizophrenia and MD. Pro- and anti-inflammatory cytokines mediate indoleamine 2,3-dioxygenase activity; this enzyme drives metabolism of tryptophan and kynurenin in the central nervous system and degrades serotonin...
March 2017: Dialogues in Clinical Neuroscience
https://www.readbyqxmd.com/read/28557385/-telomere-telomerase-system-in-aging-norm-and-pathology-literature-review
#19
K I Pavlov, V N Mukhin, V M Klimenko, V N Anisimov
This literature review presents results of research showing association between functional activity of the telomere-telomerase system and mental cognitive and emotional processes in normal and various pathological states: chronic stress, depression, bipolar disorder, schizophrenia, mild cognitive impairment and dementia in aging. It also refers to age-specific, psycho-social, economic, immunological, genetic and epigenetic factors that influence these relationships.
2017: Advances in Gerontology, Uspekhi Gerontologii
https://www.readbyqxmd.com/read/28488252/multiscale-modeling-in-the-clinic-diseases-of-the-brain-and-nervous-system
#20
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
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