Publications by authors named "Keskin O"

Introduction: Advances in neonatal and pediatric intensive care have improved patient survival rates, emphasizing the need for respiratory support in cases of chronic respiratory failure, resulting in the establishment of the Turkish National Pediatric Patients Receiving Home Mechanical Ventilation (HMV) Support Registration System in 2023. This study aims to present the initial findings of the registry.

Methods: In this cross-sectional study, epidemiological and demographic data was obtained from the registry and compared between invasive ventilation (IV) and non-invasive ventilation (NIV) groups.

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In coronavirus disease 2019 (COVID-19), older age and co-morbidities are associated with mortality. Among liver disease aetiologies alcoholic liver disease was associated with mortality. Chronic hepatitis delta (CHD) had not been studied.

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 To assess the efficacy of distal radius volar plates in cases involving dorsal fragments at the Ulnar Corner (UC) and Lister Tubercle (LT).  A retrospective study that included patients with distal radius fractures (DRFs) featuring UC and LT dorsal fragments treated with volar plates. The exclusion criteria comprised lunate facet fractures, UC fragment ratio below 25%, and patients treated with dorsal plates.

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The rationale behind this study was the lack of an accurate predictor to facilitate treatment management and anticipate prognosis in crush syndrome. Our research aimed to investigate the following: (1) Is there a correlation between the ratios of blood cell counts upon admission and the adverse outcomes of crush syndrome? and (2) if such a correlation exists, what are the precise thresholds of blood cell count ratios for predicting these adverse outcomes? In this single-centered and retrospective design study, we analyzed all patients admitted to our hospital after Kahramanmaras Earthquake. The data on length of stay in the ICU and mortality status were obtained using our hospital system.

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IKKα is a multifunctional serine/threonine kinase that controls various biological processes, either dependent on or independent of its kinase activity. However, the importance of the kinase function of IKKα in human physiology remains unknown since no biallelic variants disrupting its kinase activity have been reported. In this study, we present a homozygous germline missense variant in the kinase domain of IKKα, which is present in three children from two Turkish families.

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Article Synopsis
  • - The advanced lung cancer inflammation index (ALI) is a new tool that evaluates inflammation and nutritional status in patients, focusing on factors like albumin, BMI, and the neutrophil-to-lymphocyte ratio (NLR).
  • - A study with 102 idiopathic pulmonary fibrosis (IPF) patients used clinical data to calculate ALI and NLR scores and looked at various health indicators, finding significant differences in ALI across specific patient subgroups, but not related to comorbidities.
  • - Results showed that ALI levels are linked to the severity and mortality rates of IPF, indicating its potential as a meaningful prognostic tool.
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This study aims to investigate the effectiveness of non-invasive fibrosis markers in predicting varices in compensated advanced chronic liver disease patients and variceal bleeding in decompensated cirrhotic patients. Between 1 July 2020-2021, 137 newly diagnosed cirrhosis patients (67 females/70 males; mean age: 53.35) were included in the study.

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  • Brucellosis is a sickness caused by bacteria that affects both people and animals, causing health problems and money loss in farming in Türkiye and other countries.
  • Researchers studied the genes of 106 samples from animals and humans in Türkiye to understand how they differ from each other and from samples in other countries.
  • The study found different types of the bacteria in Türkiye, showing they are also related to bacteria from neighboring countries and some European countries, which means travel might help spread the disease, so better controls are needed to keep it from spreading.
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  • Enzyme replacement therapy (ERT) can effectively manage lysosomal storage diseases, but it may cause hypersensitivity reactions in some patients.
  • A study reviewed medical records of pediatric patients to assess the frequency and characteristics of these allergic reactions, finding that 25.3% experienced them, with anaphylaxis occurring in 6 cases.
  • Management of hypersensitivity may include premedication and slower infusions, and some patients may require desensitization protocols to continue ERT safely.
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  • Celiac disease (CD) is an autoimmune disorder caused by gluten intake in genetically predisposed people, leading to various symptoms, often resulting in misdiagnosis due to lack of awareness.
  • A case study of a 42-year-old male with gastritis revealed severe blood count issues, and after diagnostic procedures, he was confirmed to have CD, with significant improvement after switching to a gluten-free diet.
  • Notably, the patient experienced a change in hair color, with premature graying reversing after diet changes, suggesting a possible link between CD and hair color changes that requires further research into the effects of nutritional deficiencies associated with the disease.*
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RHOA mutations are found at diverse residues in various cancer types, implying mutation- and cell-specific mechanisms of tumorigenesis. Here, we focus on the underlying mechanisms of two gain-of-function RHOA mutations, A161P and A161V, identified in adult T-cell leukemia/lymphoma. We find that RHOA and RHOA are both fast-cycling mutants with increased guanine nucleotide dissociation/association rates compared with RHOA and show reduced GTP-hydrolysis activity.

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Herein, we aimed to investigate the antifungal susceptibility pattern of Candida auris clinical strains in our setting Bahrain Oncology Center-King Hamad University Hospital-Bahrain. C. auris strains isolated from different clinical specimens in the Microbiology Laboratory from October-2021 to November-2022 were evaluated.

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Background: Major histocompatibility complex class II deficiency, a combined immunodeficiency, results from loss of HLA class II expression on antigen-presenting cells. Currently, hematopoietic stem cell transplantation stands as the sole curative approach, although factors influencing patient outcomes remain insufficiently explored.

Objectives: To elucidate the clinical, immunologic, and genetic profiles associated with MHC-II deficiency and identify prognostic indicators that affect survival rates.

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Article Synopsis
  • The study analyzes data from the CF Registry of Turkey to measure the rate of decline in pulmonary function (ppFEV1) among cystic fibrosis patients and identifies risk factors related to this decline.
  • It found that patients with more severe disease (ppFEV1 < 40) had poorer nutritional status and a higher prevalence of chronic Pseudomonas aeruginosa infection compared to those with better lung function.
  • The results emphasize the need for regular monitoring of patients with normal initial ppFEV1 and early treatment for P. aeruginosa infections, highlighting the crucial role of proper nutrition in managing cystic fibrosis.
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  • * A study conducted whole-exome sequencing (WES) on 303 IEI patients in Türkiye, achieving likely genetic diagnoses for 41.1% and discovering 52 novel variants, as well as new potential IEI genes in six patients.
  • * The findings emphasize the importance of cross-cohort outcomes in IEI research and aim to enhance collaboration between clinical and scientific communities.
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The PPInterface dataset contains 815,082 interface structures, providing the most comprehensive structural information on protein-protein interfaces. This resource is extracted from over 215,000 three-dimensional protein structures stored in the Protein Data Bank (PDB). The dataset contains a wide range of protein complexes, providing a wealth of information for researchers investigating the structural properties of protein-protein interactions.

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Proteins interact through their interfaces, and dysfunction of protein-protein interactions (PPIs) has been associated with various diseases. Therefore, investigating the properties of the drug-modulated PPIs and interface-targeting drugs is critical. Here, we present a curated large data set for drug-like molecules in protein interfaces.

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Background And Aims: Chronic hepatitis delta represents a major global health burden. Clinical features of hepatitis D virus (HDV) infection vary largely between different regions worldwide. Treatment approaches are dependent on the approval status of distinct drugs and financial resources.

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Objective: The vaginal microbiota dysbiosis induces inflammation in the uterus that triggers tissue damage and is associated with preterm birth. Progesterone is used to prevent labor in pregnant women at risk of preterm birth. However, the mechanism of action of progesterone still needs to be clarified.

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Nonalcoholic fatty liver disease (NAFLD) is more prevalent in patients with obesity, diabetes, and metabolic syndrome, which are risk factors for nonalcoholic steatohepatitis and liver fibrosis. NAFLD is related to cardiovascular outcomes in diabetes. We aimed to investigate the relationship between diabetic complications and NAFLD fibrosis score (NFS) and Fibrosis-4 score (FIB-4).

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  • This study aimed to assess the effectiveness of vaginal natural orifice transluminal endoscopic surgery (vNOTES) compared to conventional laparoscopy in terms of surgeon ergonomics and patient comfort.
  • It involved 47 patients, with the researchers analyzing demographic and surgical data post-surgery for both groups.
  • Results indicated that the vNOTES group experienced less pain and greater satisfaction with comfort compared to the conventional laparoscopy group, even though both groups had similar outcomes regarding sexual function.*
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Background: The vaginal microbiota plays a significant role in pregnancy outcomes and newborn health. Indeed, the composition and diversity of the vaginal microbiota can vary among different ethnic groups. Our study aimed to investigate the composition of the vaginal microbiome throughout the three trimesters of pregnancy and to identify any potential variations or patterns in the Turkish population compromising mixed ethnicities.

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Introduction: Cystic fibrosis transmembrane conductance regulator (CFTR) modulator drugs target the underlying defect and improve CFTR function. They are a part of standard care in many countries, but not all patients are eligible for these drugs due to age and genotype. Here, we aimed to determine the characteristics of non-eligible patients for CFTR modulators in the CF registry of Turkey (CFRT) to highlight their clinical needs.

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