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      Increased monocytes are associated with overweight in children and adolescents with autism spectrum disorder Translated title: El aumento de los monocitos se asocia con el sobrepeso en los niños y adolescentes con trastorno del espectro autista

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          Abstract

          Abstract Objective: to investigate the monocyte count and its association with nutritional status in children and adolescents with autism spectrum disorder (ASD). Methods: a cross-sectional study carried out at a Neurodevelopmental Center in the south of Brazil, with 68 ASD patients aged 3 to 18 years. The number of monocytes (per mm3) was determined in blood samples. Nutritional status was defined as BMI-for-age according to WHO standards. The Children's Eating Behaviour Questionnaire and a standard questionnaire to collect sociodemographic and clinical characteristics were administered to caregivers. Comparisons between sociodemographic, clinical, and eating behavior variables were performed with parametric tests. Linear regression was used to test the association between nutritional status and monocyte count. Results: mean age was 8.6 ± 3.3 years, 79 % were males and 66 % were overweight. In the unadjusted regression overweight was associated with higher monocyte counts compared to those non-overweight (B: 64.0; 95 % CI, 13.9 to 114.1; β: 0.30, p = 0.01). This association remained significant after adjustment for the subscale of “emotional overeating” (B: 37.0; 95 % CI, 17.1 to 91.3; β: 0.29; p = 0.02). The variability in monocyte count attributed to overweight was 14 %. Conclusions: overweight is associated with a higher monocyte count in children and adolescents with ASD. Nutritional intervention to control overweight is essential to mitigate the negative impact on inflammatory activity and immune dysfunction in these patients.

          Translated abstract

          Resumen Objetivo: investigar el recuento de monocitos y su asociación con el estado nutricional en niños y adolescentes con trastorno del espectro autista (TEA). Método: estudio transversal realizado en el Centro de Neurodesarrollo, en el sur de Brasil, con 68 pacientes con TEA de 3 a 18 años de edad. Se determinó el número de monocitos (por mm3) en muestras de sangre. El estado nutricional se definió como IMC para la edad según los estándares de la OMS. Se aplicó a los cuidadores el Cuestionario de Conducta Alimentaria Infantil y un cuestionario estándar para recoger características sociodemográficas y clínicas. Las comparaciones entre las variables sociodemográficas, clínicas y de conducta alimentaria se realizaron con pruebas paramétricas. Se utilizó la regresión lineal para probar la asociación entre el estado nutricional y el recuento de monocitos. Resultados: la edad media fue de 8,6 ± 3,3 años, el 79 % eran varones y el 66 % tenían sobrepeso. En la regresión no ajustada, el sobrepeso se asoció a un mayor número de monocitos en comparación con los que no tenían sobrepeso (B: 64,0; IC 95 %: 13,9 a 114,1; β: 0,30; p = 0,01). Esta asociación siguió siendo significativa tras ajustar la subescala de “sobrealimentación emocional” (B: 37,0; IC 95 %: 17,1 a 91,3; β: 0,29; p = 0,02). La variabilidad en el recuento de monocitos atribuida al sobrepeso fue del 14 %. Conclusiones: el sobrepeso se asocia a un mayor recuento de monocitos en niños y adolescentes con TEA. La intervención nutricional para controlar el sobrepeso es esencial para mitigar el impacto negativo sobre la actividad inflamatoria y la disfunción inmune en estos pacientes.

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          Prevalence of Autism Spectrum Disorder Among Children Aged 8 Years — Autism and Developmental Disabilities Monitoring Network, 11 Sites, United States, 2016

          Problem/Condition Autism spectrum disorder (ASD). Period Covered 2016. Description of System The Autism and Developmental Disabilities Monitoring (ADDM) Network is an active surveillance program that provides estimates of the prevalence of ASD among children aged 8 years whose parents or guardians live in 11 ADDM Network sites in the United States (Arizona, Arkansas, Colorado, Georgia, Maryland, Minnesota, Missouri, New Jersey, North Carolina, Tennessee, and Wisconsin). Surveillance is conducted in two phases. The first phase involves review and abstraction of comprehensive evaluations that were completed by medical and educational service providers in the community. In the second phase, experienced clinicians who systematically review all abstracted information determine ASD case status. The case definition is based on ASD criteria described in the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition. Results For 2016, across all 11 sites, ASD prevalence was 18.5 per 1,000 (one in 54) children aged 8 years, and ASD was 4.3 times as prevalent among boys as among girls. ASD prevalence varied by site, ranging from 13.1 (Colorado) to 31.4 (New Jersey). Prevalence estimates were approximately identical for non-Hispanic white (white), non-Hispanic black (black), and Asian/Pacific Islander children (18.5, 18.3, and 17.9, respectively) but lower for Hispanic children (15.4). Among children with ASD for whom data on intellectual or cognitive functioning were available, 33% were classified as having intellectual disability (intelligence quotient [IQ] ≤70); this percentage was higher among girls than boys (40% versus 32%) and among black and Hispanic than white children (47%, 36%, and 27%, respectively). Black children with ASD were less likely to have a first evaluation by age 36 months than were white children with ASD (40% versus 45%). The overall median age at earliest known ASD diagnosis (51 months) was similar by sex and racial and ethnic groups; however, black children with IQ ≤70 had a later median age at ASD diagnosis than white children with IQ ≤70 (48 months versus 42 months). Interpretation The prevalence of ASD varied considerably across sites and was higher than previous estimates since 2014. Although no overall difference in ASD prevalence between black and white children aged 8 years was observed, the disparities for black children persisted in early evaluation and diagnosis of ASD. Hispanic children also continue to be identified as having ASD less frequently than white or black children. Public Health Action These findings highlight the variability in the evaluation and detection of ASD across communities and between sociodemographic groups. Continued efforts are needed for early and equitable identification of ASD and timely enrollment in services.
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            Adipokines in inflammation and metabolic disease.

            The worldwide epidemic of obesity has brought considerable attention to research aimed at understanding the biology of adipocytes (fat cells) and the events occurring in adipose tissue (fat) and in the bodies of obese individuals. Accumulating evidence indicates that obesity causes chronic low-grade inflammation and that this contributes to systemic metabolic dysfunction that is associated with obesity-linked disorders. Adipose tissue functions as a key endocrine organ by releasing multiple bioactive substances, known as adipose-derived secreted factors or adipokines, that have pro-inflammatory or anti-inflammatory activities. Dysregulated production or secretion of these adipokines owing to adipose tissue dysfunction can contribute to the pathogenesis of obesity-linked complications. In this Review, we focus on the role of adipokines in inflammatory responses and discuss their potential as regulators of metabolic function.
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              Peripheral and central inflammation in autism spectrum disorders.

              Recent reports have given a central role to environmental factors in the etiology of autism spectrum disorders (ASD). However, most proposed perinatal factors seem to converge into the activation of the immune system, suggesting that an early inflammatory response could be a unifying factor in the etiology ASD. Here I review the evidence of early immune activation in individuals with ASD, and the chronic peripheral and central alterations observed in the inflammatory response in ASD. This evidence shows that ASD is associated with altered neuroinflammatory processes and abnormal immune responses in adulthood. How these immune alterations can affect developmental programming of adult behavior or directly affect behavior later in life is discussed in the context of both clinical and animal models of research. Recent studies in rodents clearly support a role of elevated cytokines in the behavioral symptoms of ASD, both during development and in adulthood. This article is part of a Special Issue entitled 'Neuroinflammation in neurodegeneration and neurodysfunction'. Copyright © 2012 Elsevier Inc. All rights reserved.
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                Author and article information

                Journal
                nh
                Nutrición Hospitalaria
                Nutr. Hosp.
                Grupo Arán (Madrid, Madrid, Spain )
                0212-1611
                1699-5198
                December 2023
                : 40
                : 6
                : 1136-1143
                Affiliations
                [1] Pelotas Rio Grande do Sul orgnameUniversidade Federal de Pelotas orgdiv1Universidade Federal de Pelotas Brazil
                [2] Porto Alegre orgnameHospital de Clínicas de Porto Alegre orgdiv1Department of Neuropediatrics Brazil
                Article
                S0212-16112023000800004 S0212-1611(23)04000600004
                10.20960/nh.04472
                1fb86227-a55c-4ffd-adf4-4b08477ba517

                This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

                History
                : 29 September 2022
                : 09 February 2023
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 30, Pages: 8
                Product

                SciELO Spain

                Categories
                Original Papers

                Autism spectrum disorder,Monocytes,Nutritional status,Overweight,Eating behavior,Trastorno del espectro autista,Monocitos,Estado nutricional,Sobrepeso,Conducta alimentaria

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