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    Cytokine expression profiles in children and adolescents with tic disorders
    (Nature Portfolio, 2024) Kutuk, Meryem Ozlem; Tufan, Ali Evren; Kilicaslan, Fethiye; Gokcen, Cem; Aksu, Gulen Guler; Yektas, Cigdem; Kandemir, Hasan
    The etiology of tic disorders (TDs) is not precisely known, although several lines of evidence suggest involvement of the immune system in pathogenesis. Here, we aimed to determine the expression levels of pro-inflammatory and anti-inflammatory cytokines in children with TD and compare them with those of healthy controls. Furthermore, we also evaluated their association with clinical variables in the TD group. Within the study period, 88 children with tic disorders and 111 healthy control children were enrolled. Most children with tic disorders were diagnosed with Tourette's disorder (n = 47, 53.4%) or persistent motor tic disorder (n = 39, 44.3%), while the remainder (n = 2, 2.3%) were diagnosed with persistent vocal tic disorder. We found that children with tic disorders had significantly elevated levels of IL-1 beta, TNF-alpha, IL-6 and IL-4 expression, while we detected lower expression levels of IL-17 in children with tic disorders. Our findings provide a molecular landscape of cytokine expression in children with TD, which may suggest a proinflammatory state not affected by the presence of comorbidity and symptom severity. Delineating the contribution of alterations in the immune system to the pathogenesis of tic disorders may pave the way for better therapeutic interventions.
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    High Depression Symptoms and Burnout Levels Among Parents of Children with Autism Spectrum Disorders: A Multi-Center, Cross-Sectional, Case-Control Study (Jan, 10.1007/s10803-021-04874-4, 2021)
    (Springer/Plenum Publishers, 2021) Kutuk, Meryem Ozlem; Tufan, Ali Evren; Kilicaslan, Fethiye; Guler, Gulen; Celik, Fatma; Altintas, Ebru; Gokcen, Cem
    The original version of the article has unfortunately missed the revised affiliations for the following authors.
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    High depression symptoms and burnout levels among parents of children with autism spectrum disorders: a multi-center, cross-sectional, case–control study
    (Springer, 2021) Kütük, Meryem Özlem; Tufan, Ali Evren; Kılıçaslan, Fethiye; Güler, Gülen; Çelik, Fatma; Altıntaş, Ebru; Gökçen, Cem; Karadağ, Mehmet; Yektaş, Çiğdem; Mutluer, Tuba; Kandemir, Hasan; Büber, Ahmet; Topal, Zehra; Açıkbaş, Ufuk; Giray, Aslı; Kütük, Özgür
    The diagnosis of autism spectrum disorder (ASD) in a child affects family processes, increases parenting stress and marital conflicts, and may lead to parental psychopathology. It may also affect the prognosis for their children. The aim of this study is to determine depression and burnout levels as well as their predictors among parents of children with ASD compared with those of healthy children. We also sought to evaluate rate of complementary and alternative medicine (CAM) interventions among parents and explore the associations of this phenomenon in an exploratory fashion. 145 children with ASD and 127 control children were enrolled along with their mothers and fathers. Beck Depression Inventory and Maslach Burnout Inventory were used to evaluate parents’ depression symptoms and burnout levels. Symptoms of children with ASDs were evaluated according to the Childhood Autism Rating Scale by the clinicians. Family, child and CAM variables were screened by means of a sociodemographic data form. Descriptive, bivariate and correlation analyses were used in statistical evaluations. Predictors of burnout were evaluated with multiple regression analysis. Burnout and depression levels among parents of children with ASD were significantly elevated compared to controls. Burnout levels of mothers were significantly elevated compared to fathers while depression scores of fathers were significantly elevated compared to mothers. Maternal burnout was significantly predicted by presence of functional speech in child while paternal burnout was significantly predicted by paternal vocation. Maternal depression was associated with paternal depression, lack of speech in child and attendance of child to special education services. Paternal depression was associated with autistic symptom severity and maternal depression. More than half the parents sought CAM interventions. Education level did not affect search for CAM interventions while both maternal and paternal psychopathology and presence of epilepsy among children increased use of CAM methods. Psychological support should be provided to both mothers and fathers of a child receiving a diagnosis of ASD. Addressing parents’ burnout and stress levels and facilitating their negotiation of knowledge on etiology and treatments for ASD may be beneficial for the family unit as a whole. © 2021, The Author(s), under exclusive licence to Springer Science+Business Media, LLC part of Springer Nature.
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    Novel inflammatory targets for immunotherapies in pediatric patients with trichotillomania
    (Elsevier Gmbh, 2020) Kütük, Meryem Özlem; Tufan, Ali Evren; Kılıçaslan, Fethiye; Mutluer, Tuba; Gökçen, Cem; Karadağ, Mehmet; Kütük, Özgür
    Immune dysregulation may be important in the etiology of obsessive-compulsive and related disordersandbody-focusedrepetitivebehaviors, such as Trichotillomania (TTM). The role of inflammation and inflammatory markers in TTM has received relatively little attention. This study was aimed to determine the expression levels of inflammatory markers (i.e. IL-1 beta, IL-1 alpha, IL-4, IL-6, IL-17, TNF-alpha and TGF-5) in peripheral blood mononuclear cells of children with TTM and healthy controls and to evaluate their association with clinical variables. Seventy-seven patients with TTM and 107 healthy controls were enrolled in the study. Peripheral blood was collected in standardized conditions. The mean age of patients and controls did not differ significantly (10.8 +/- 4.4 and 12.0 +/- 3.2 years; respectively). The majority of patients with TTM and controls were females (n = 55, 71.4 % and n = 55, 51.4 %; respectively); with a greater preponderance of females among TTM. Patients with TTM had significantly elevated expression levels of TNF-alpha, IL-6 and IL-17 compared to controls. However, the expression level of IL-4 was significantly reduced in TTM patients compared to controls. Accordingly, we found a proinflammatory state in TTM and those findings may suggest novel treatment options for TTM and further, crossdisciplinary studies focusing on neuro- inflammation in TTM conducted on larger samples are needed.