Publications by authors named "Can G"

Introduction: Bipolar 2 disorder (BD2) is an independent disease with specific familial aggregation, significant functional impairment, specific treatment challenges and several distinctive clinical features. However, unlike bipolar 1 disorder, studies investigating causal and functional genes are lacking. This study aims to identify and prioritize causal genetic variants and genes for BD2 by analyzing brain-specific gene expression markers, to improve the understanding of its genetic underpinnings and support advancements in diagnosis, treatment and prognosis.

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Background: Acromegaly is a disease with high morbidity and mortality rates. The role of primary care physicians is very important in the early diagnosis of acromegaly. The present study aims to determine the knowledge and attitudes of primary care physicians about acromegaly in different countries worldwide.

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Background: Constipation is an important symptom that is common in patients using opioids and leads to major health problems among patients. Reflexology is one of the approaches utilized to manage constipation.

Objective: To examine the effect of reflexology socks on constipation in patients with opioid-induced constipation.

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When cells enter mitosis with under-replicated DNA, sister chromosome segregation is compromised, which can lead to massive genome instability. The replisome-associated E3 ubiquitin ligase TRAIP mitigates this threat by ubiquitylating the CMG helicase in mitosis, leading to disassembly of stalled replisomes, fork cleavage, and restoration of chromosome structure by alternative end-joining. Here, we show that replisome disassembly requires TRAIP phosphorylation by the mitotic Cyclin B-CDK1 kinase, as well as TTF2, a SWI/SNF ATPase previously implicated in the eviction of RNA polymerase from mitotic chromosomes.

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Article Synopsis
  • The study investigates the north-south gradient hypothesis, suggesting that individuals with rheumatoid arthritis (RA) in southern regions (like Turkey) tend to have a younger age of onset and milder disease than those in northern regions (like Denmark).
  • In a comparison of 223 treatment-naïve RA patients from Denmark and Turkey, it was found that Danish patients had a later onset age (60 years) and more severe joint symptoms compared to Turkish patients (51 years).
  • The findings support the hypothesis and reveal that Danish patients have more genetic risk factors for RA, prompting the need for future research into the genetic and environmental influences on these regional differences.
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The aim of this systematic review is to provide reliable, high-quality data with an evidence-based, up-to-date overview of the use of nonpharmacologic interventions in the management of symptoms in advanced cancer patients with metastatic disease. A comprehensive literature search was performed by searching PubMed, EBSCO, Cochrane, and Google Scholar databases. "Nonpharmacologic," "palliative care," and "cancer" were the three main terms combined with the main symptoms of cancer palliative care such as "pain," "fatigue," "nausea and vomiting," "psychosocial distress," "loss of appetite," "dyspnea," "constipation," and "drowsiness," and each symptom was searched separately.

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Background: Air pollution is one of the major environmental risk factors for health. Children are vulnerable to the negative health consequences of air pollution. We aimed to determine the effect of PM10 levels on postneonatal mortality in Istanbul, the most populous city in Türkiye.

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Objective: Given the limited studies on types of vaccination and infection rates among health care workers (HCWs) in Türkiye, we analyzed the demographic, clinical, and vaccination characteristics as well as the attitudes of HCWs who have been infected with COVID-19.

Methods: We retrospectively analyzed demographic and clinical data on breakthrough COVID-19 infections in HCWs from hospital surveillance data collected between April 5, 2020, and November 1, 2022. The comparison was based on four subgroups that consisted of unvaccinated, one-shot-vaccinated, homologous vaccinated, and heterologous vaccinated individuals.

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Background: Hyperprogressive disease (HPD) is a new phenomenon developing in the era of immune checkpoint inhibitor (ICI) therapy. HPD is characterized by an unexpected and fast progression in tumor volume and poor survival. There is no standardized definition for HPD and clinicopathological variables associated with HPD are unclear.

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To reveal factors affecting 2-year mortality in geriatric patients hospitalized with COVID-19. Demographic characteristics, clinical and laboratory data, thorax computed tomography (CT) images, second-year survival status, and causes of death were analyzed. The 2-year post-discharge mortality rate of 605 patients was 21.

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The study aimed to evaluate the effect of booster dose COVID-19 vaccines on prevention and humoral immune response in individuals with different vaccination schemes during the period BA.4 and BA.5 omicron sub-variants were globally dominant.

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Viral hepatitis are infections that can cause liver damage, become chronic, lead to cirrhosis, hepatocellular carcinoma and ultimately result in death due to their ability to spread in the community through blood and infected body fluids. The aim of this study was to determine the seroprevalence of hepatitis B (HBV), hepatitis C (HCV), and hepatitis D (HDV) transmitted through blood among individuals living in Trabzon province and to examine the factors potentially associated with seroprevalence. This cross-sectional study was conducted in Trabzon province, located in the northeast of Türkiye, including a total of 10 districts, including the central district.

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Objective: To compare the functional (obstruction relieving) outcomes and complications of unilateral J-cut division, partial and subtotal vaginal removal techniques were performed for mesh-related urethral obstruction (MRUO) in females.

Methods: Patient review included demographics, a medical history and proforma with details of lower urinary tract symptoms (LUTS), physical and urodynamic findings, detailed surgical reports and follow-up data. Variables were compared between the three groups.

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Familial Mediterranean fever (FMF) is characterized by inflammatory attacks due to overactivation of pyrin inflammasome. This study aimed to investigate the reliability of S100A8/A9, neopterin, and matrix metalloproteinase 3 (MMP3) at monitoring subclinical inflammation and disease activity, and at differentiating FMF attacks from appendicitis, the most common misdiagnosis among FMF patients. Blood samples (n = 75), comprising from FMF patients during an attack (n = 20), the same FMF patients during the attack-free period (n = 14), patients with appendicitis (n = 24), and healthy volunteers (n = 17) were obtained.

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Purpose: This research was conducted as a randomized controlled study to examine the effect of breathing exercises on managing chemotherapy-related nausea and vomiting in patients who underwent autologous hematopoietic stem cell transplantation.

Methods: A randomized controlled trial design was used, including an intervention group doing breathing exercises and a control group receiving standard care for chemotherapy-induced nausea and vomiting. The sample was selected from patients hospitalized in the bone marrow transplantation unit.

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Background/aim: Adipose tissue produces several inflammatory mediators. Thus, obesity affects the disease course and the responses to the antirheumatic agents in inflammatory diseases. The aim of the study was to determine whether the body mass index (BMI) is involved in the response to rituximab in rheumatoid arthritis (RA).

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Background/aim: The distinctive liver framework is converted into structurally abnormal nodules as a consequence of tissue fibrosis in cirrhosis. Cardiac dysfunction in cirrhosis was described, and the term "cirrhotic cardiomyopathy (CCM)" was coined to describe this syndrome. Recent research has shown that the contractile characteristics of the right ventricular outflow tract (RVOT) have a significant impact on right ventricular functions.

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Objectives: This study compared the secukinumab treatment responses and adverse effects in psoriatic arthritis patients who received secukinumab as second-line with those that received secukinumab after two or more tumor necrosis factor-alpha (TNF-α) inhibitors.

Patients And Methods: The retrospective study included 68 psoriatic arthritis patients followed up between October 2018 and October 2021. The patients were divided into two groups according to their anti-TNF-α treatment history.

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In this article, a colorimetric biosensor for detection of Leishmania major surface protease (Gp63) antibody (anti-gp63) was developed by using gold nanoparticle (AuNP) as a color reagent. The dispersion or aggregation of AuNPs leads to a distinct and sensitive change in UV-vis spectra and solution color. For this purpose, kinetoplastid membrane protein-11 (KMP-11) was labeled with AuNPs surface directly.

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In this study, we reported a selective impedimetric biosensor for the detection of A29 which is the target protein of the monkeypox virus (MPXV). The working principle of the biosensor relies on the interaction mechanism between A29, which is an internal membrane protein of MPXV, and the heparan sulfate receptor. For this purpose, after immobilizing heparan sulfate onto the gold screen-printed electrode surface, its interaction with A29 protein was monitored using electrochemical impedance spectroscopy.

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Article Synopsis
  • The study looked at patients with PsA (psoriatic arthritis) who started a 2nd or 3rd TNFi (a type of medicine) and how many continued taking it after a year.
  • Out of the patients studied, about 68% stayed on their 2nd TNFi and 66% on their 3rd TNFi after a year.
  • The results showed that effectiveness of the new medicine depended on why they stopped taking the previous one, with better outcomes for those who stopped because the first medicine didn’t work as well after some time.
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Setting-objective: In this study, it was aimed to reveal the incidence of tuberculosis development in patients receiving tumor necrosis factor-alpha (TNF-α) blocker therapy, despite tuberculosis chemoprophylaxis.

Design: 520 patients who were receiving anti TNF-α treatment in the last 3 years were evaluated retrospectively. Radiological imaging tuberculin skin test (TST), history of tuberculosis, BCG vaccine, chemoprophylaxis administration, used anti TNF-α drugs were recorded.

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In this study, we aimed to reveal the pro-inflammatory effects of serum 25-hydroxyvitamin D3 (Vit D) deficiency and insufficiency in new-onset type 2 diabetes mellitus (T2DM) and prediabetes. We recruited 84 prediabetes patients, 94 new-onset T2DM patients and 113 healthy participants. We measured the levels of C-reactive protein (CRP), fibrinogen, ferritin, interleukin-1β (IL-1β), interleukin-6 (IL-6), interleukin-8 (IL-8), tumor necrosis factor-α (TNF-α), nuclear factor kappa-B (NF-κB) and mitogen-activated protein kinase (MAPK) in the serum of the participants.

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