Publications by authors named "Erol Goka"

This study aimed to evaluate the role of neuroinflammation in neuronal and glial cells in the pathophysiology of Major Depressive Disorder (MDD) through different biomarkers.S100-B and VILIP-1 levels of patients diagnosed with MDD were evaluated before and after antidepressant treatment. A total of 65 patients diagnosed with MDD and 69 healthy controls were included.

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Objective: The aim of this study is to identify the attachment style displayed by obese individuals and to compare it with the attachment style of individuals diagnosed with opioid use disorder (OUD) and a healthy control group.

Method: A total of 201 participants were included in the study, consisting of 66 individuals diagnosed with obesity, 62 diagnosed with OUD and 73 healthy controls. Sociodemographic Data Form and Adult Attachment Style Scale were administered to all participants, the Addiction Profile Index (API) was administered to participants diagnosed with OUD and the Yale Food Addiction Scale was administered to those diagnosed with obesity.

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Objectives: Schizophrenia is a complex psychiatric disorder with an unclear etiopathogenesis. This study investigates the plasma G72 protein levels in drug-naive schizophrenia patients (DNS), those in acute psychotic episodes (AES), and healthy controls (HC). It also examines the correlation between the plasma G72 protein levels and Positive and Negative Syndrome Scale (PANSS) scores.

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Introduction: Galectins (Gal) were linked with inflammatory responses in the central nervous system, may play an important role in the pathogenesis of BD.In this study,we aimed to investigate whether serum Gal-1 and Gal-3 levels are related to BD.

Methods: 36 patients diagnosed with BD were included.

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This study aims to examine the plasma concentrations of NGAL and other inflammatory parameters, including TNF-α, IL-1β, and IFN-γ, in schizophrenia patients and healthy volunteers. It also investigates potential associations between these biomarkers and symptom severity in schizophrenia and the utility of NGAL as a potential diagnostic and monitoring biomarker for schizophrenia. The study included 49 drug-naive schizophrenia patients (DNS), 59 patients with schizophrenia in remission (REM) on antipsychotic treatment, and 58 healthy volunteers (HC).

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Rationale: Although the immune system is thought to contribute to the etiology of schizophrenia, the mechanism has not been elucidated. Clarifying the relationship between them is important in terms of diagnosis, treatment, and prevention approaches.

Objective: In this study, it is aimed to determine whether there is any difference in serum levels of neutrophil gelatinase-associated lipocalin (NGAL) and tumor necrosis factor-alpha (TNF-α) in the group of patients with schizophrenia and healthy volunteers, whether these values are changed by medical treatment, whether there is any relation between these values and the severity of the symptoms of patients with schizophrenia, and whether NGAL can be used as a biomarker in the diagnosis and the follow-up of the schizophrenia.

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Objective: The course of bipolar disorder (BD) is sensitive to factors that may disrupt biological and social rhythms. It is important for patients diagnosed with BD to continue their follow-up and treatment during the pandemic due to personal and social effects. This study aimed to evaluate the disease course and treatment compliance of individuals diagnosed with BD during the pandemic.

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Aim: The final common pathway in the etiopathogenesis of schizophrenia is suggested that there is a defect in the presynaptic terminal in dopaminergic transmission, in which α-synuclein has an important role. Peripheral biomarker studies in schizophrenia have become crucial for better diagnoses, early interventions, and personalized therapies. This study aims to compare α-synuclein levels in patients with schizophrenia and their unaffected siblings with healthy controls, as a potential peripheral biomarker for schizophrenia.

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Objective: The aim of this study was to compare the formal thought disorder (FTD) in the acute episode of schizophrenia (SCHZ) and bipolar affective disorder (BPAD), and to determine the FTD dimensions associated with BPAD.

Method: The study included a total of 34 SCHZ patients not meeting the standardized remission criteria and 20 patients in BPAD manic episode. The patients completed the Positive and Negative Syndrome Scale (PANSS), the Clinical Global Impression Scale (CGI), the Young Mania Rating Scale (YMRS), the Hamilton Depression Rating Scale (HAM-D) and the Thought and Language Disorder Scale (TALD) in order to assess FTD.

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Purpose: Aminoacylase 1 (ACY1) catalyzes the hydrolysis reaction during protein degradation. N-acetylamino acids are accumulated in the urine in Aminoacylase 1 deficiency (ACY1D). This study attempts to evaluate the potential of ACY1 as a biomarker for schizophrenia and predict genetic vulnerability in the high-risk population.

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Background: Neuronal pentraxin-2 (NPTX2, an immediate-early gene), which regulates synapse activity and neuroplasticity, plays an essential role in the neurodevelopmental process. NPTX2 possibly enhances the accumulation of amino-3-hydroxy-5-methyl-4-isoxazolepropionic receptors (AMPAR) on the postsynaptic membranes and stimulates excitatory synaptogenesis. We aimed to evaluate the plasma concentrations of NPTX2 of patients with schizophrenia in acute psychotic episodes compared with matched community-based controls.

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Introduction: Even though the assessment of criminal responsibility constitutes an important part of forensic psychiatry practices, it is observed that there is little published data in our country about these cases. In this study, it was aimed to examine the sociodemographic data, characteristics of the alleged crime, their diagnoses and the expert opinions on criminal responsibilities of the forensic cases referred to our hospital.

Method: The medical files and medical board expert reports of 356 cases referred to our hospital by judicial authorities for evaluation of criminal liability, between 1 January 2017 and 31 December 2017, were retrospectively examined.

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Background: The neurodevelopmental hypothesis is one of the most-emphasized hypotheses in the etiology of schizophrenia. Nerve growth factor (NGF) and glial cell-line derived neurotropic factor (GDNF) are neurotrophic factors that provide growth, differentiation, and survival in nerve cells in the development process. In this study, we aimed to compare the GDNF and NGF levels of schizophrenia patients with healthy controls and to analyze the relationship between the Positive and Negative Syndrome Scale (PANSS) scores, serum GDNF and NGF levels and the duration of untreated psychosis (DUP) of the patients.

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Objective: The whole world is still struggling with the COVID-19 pandemic. Inflammation response, thought to be associated with severe illness and death, is an important research topic in COVID-19. Inflammation is also an essential condition explored in psychiatric illnesses.

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Article Synopsis
  • This study explores the link between anxiety and anti-Mullerian hormone (AMH) levels among healthcare workers treating COVID-19 patients.
  • Researchers involved 52 healthcare professionals and used anxiety assessments along with AMH level measurements, finding a significant relationship between anxiety severity and lower AMH levels.
  • Results indicated that those with moderate to severe anxiety had lower AMH levels, suggesting that increased anxiety due to the pandemic may negatively impact ovarian reserve in these professionals.
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Purpose: This study explored how patients with schizophrenia were provided with social support and treatment compliance during the pandemic.

Design And Methods: A total of 396 patients with schizophrenia and their relatives were interviewed by telephone calls.

Findings: Multiple antipsychotic use and depot antipsychotics were not superior in preventing relapse.

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Turkey has witnessed an increase in migration of people belonging to neighboring countries due to civil war. Traumatic life events experienced by refugees bring along mental problems. Their psychological resilience enables them to cope with these difficulties.

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Objective: Bipolar disorder and unipolar depressive disorder are complex phenotypes. There appear to be phenotypical, mechanistic, and therapeutic differences between bipolar depression (BD) and unipolar depression (UD). There is a need for understanding the underlying biological variation between these clinical entities.

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The original version of this article unfortunately contained a mistake. The name of the 5th author was incorrectly listed as Çiğdem Yüksel, when it is actually Çiğdem Yücel. The correct information is as shown above.

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In this study, the rates of antipsychotic polypharmacy, factors affecting combined drug use, the relationship between antipsychotic polypharmacy as it relates to duration of hospitalization and re-hospitalization, and treatment compliance were evaluated in schizophrenia patients. The study data was obtained between January 1, 2017 and December 31, 2017 by examining the files of all patients who were hospitalized in Ondokuz Mayıs University Faculty of Medicine Hospital, Ankara Numune Training and Research Hospital, Ankara Gulhane Training and Research Hospital psychiatric services. The inpatients' drug prescriptions at discharge and after one-year outpatient follow-up, as well as treatment compliance and re-hospitalization, were examined.

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Many hypothesis suggest that inflammation plays an important role in schizophrenia. Galectins can regulate inflammatory response in central nervous system. The relation between galectins and neuropsyhchiatric diseases and schizophrenia is unclear.

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Many hypotheses have been proposed for the development of schizophrenia, including the one proposing that exogenous and endogenous factors are linked to inflammatory processes. There is strong evidence about the immunological and inflammatory dysfunction in schizophrenia. In this study, we aimed to measure serum 15-deoxy-delta(12,14)-prostaglandin J (15d-PGJ), peroxisome proliferator-activated receptor gamma(PPARγ), prostaglandin E2 (PGE2) and C-reactive protein (CRP) levels.

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