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      Os efeitos do estresse na função do eixo hipotalâmico-pituitário-adrenal em indivíduos com esquizofrenia Translated title: The effects of stress on hypothalamic-pituitary-adrenal (HPA) axis function in subjects with schizophrenia

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          Abstract

          Nas últimas décadas, têm surgido evidências sugerindo que a patogênese de desordens psiquiátricas, tais como a esquizofrenia, pode envolver perturbações no eixo hipotalâmico-pituitário-adrenal (HPA). Variações na manifestação desses efeitos poderiam estar relacionadas a diferenças em sintomas clínicos entre os indivíduos afetados, assim como a diferenças na resposta ao tratamento. Tais efeitos podem também ser originados de complexas interações entre genes e fatores ambientais. Aqui, revisamos os efeitos do estresse maternal em anormalidades na regulação do eixo HPA e desenvolvimento de desordens psiquiátricas, incluindo a esquizofrenia. Estudos nessa área podem gerar o aumento do nosso entendimento da natureza multidimensional da esquizofrenia. Posterior pesquisa nesse campo poderia, em última instância, levar ao desenvolvimento de melhores diagnósticos e novas abordagens terapêuticas para essa debilitante condição psiquiátrica.

          Translated abstract

          Over the last few decades, evidence has been emerging that the pathogenesis of psychiatric disorders such as schizophrenia can involve perturbations of the hypothalamic-pituitary-adrenal (HPA) axis. Variations in the manifestation of these effects could be related to the differences in clinical symptoms between affected individuals as well as to differences in treatment response. Such effects can also arise from the complex interaction between genes and environmental factors. Here, we review the effects of maternal stress on abnormalities in HPA axis regulation and the development of psychiatric disorders including schizophrenia. Studies in this area may prove critical for increasing our understanding of the multi-dimensional nature of schizophrenia. Further research in this area could ultimately lead to the development of improved diagnostics and novel therapeutic approaches for treating this debilitating psychiatric condition.

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          Most cited references114

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          Chronic stress, cognitive functioning and mental health.

          This review aims to discuss the evidence supporting the link between chronic stress, cognitive function and mental health. Over the years, the associations between these concepts have been investigated in different populations. This review summarizes the findings that have emerged from older populations as well as from populations suffering from pathological aging, namely Mild Cognitive Impairment and Alzheimer's Disease. Although older adults are an interesting population to study in terms of chronic stress, other stress-related diseases can occur throughout the lifespan. The second section covers some of these stress-related diseases that have recently received a great deal of attention, namely burnout, depression, and post-traumatic stress disorder. Given that chronic stress contributes to the development of certain pathologies by accelerating and/or exacerbating pre-existing vulnerabilities that vary from one individual to the other, the final section summarizes data obtained on potential variables contributing to the association between chronic stress and cognition. Copyright © 2011 Elsevier Inc. All rights reserved.
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            Maternal nutrition, fetal nutrition, and disease in later life.

            Recent findings suggest that many human fetuses have to adapt to a limited supply of nutrients and in doing so they permanently change their physiology and metabolism. These "programmed" changes may be the origins of a number of diseases in later life, including coronary heart disease and the related disorders stroke, diabetes, and hypertension.
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              Autism prevalence following prenatal exposure to hurricanes and tropical storms in Louisiana.

              Hurricanes and tropical storms served as natural experiments for investigating whether autism is associated with exposure to stressful events during sensitive periods of gestation. Weather service data identified severe storms in Louisiana from 1980 to 1995 and parishes hit by storm centers during this period. Autism prevalences in different cohorts were calculated using anonymous data on birth dates and parishes of children diagnosed with autism in the state mental health system, together with corresponding census data on all live births in Louisiana. Prevalence increased in dose-response fashion with severity of prenatal storm exposure, especially for cohorts exposed near the middle or end of gestation (p < 0.001). Results complement other evidence that factors disrupting development during sensitive gestational periods may contribute to autism.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rpc
                Archives of Clinical Psychiatry (São Paulo)
                Arch. Clin. Psychiatry (São Paulo)
                Faculdade de Medicina da Universidade de São Paulo (São Paulo )
                1806-938X
                2013
                : 40
                : 1
                : 20-27
                Affiliations
                [1 ] Bristol University United Kingdom
                [2 ] University of Cambridge United Kingdom
                [3 ] Ludwig Maximilians Universität München Germany
                [4 ] Universidade de São Paulo Brazil
                [5 ] Erasmus University Medical Center Netherlands
                Article
                S0101-60832013000100005
                10.1590/s0101-60832012005000002
                b505940d-0dd4-4b49-a91f-8acbfbbfc659

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0101-6083&lng=en
                Categories
                MEDICINE, GENERAL & INTERNAL
                PSYCHIATRY

                Internal medicine,Clinical Psychology & Psychiatry
                Psychiatric disorders,schizophrenia,HPA axis dysfunction,diagnosis,biomarkers,Desordens psiquiátricas,esquizofrenia,disfunção do eixo HPA,diagnóstico,biomarcadores

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