Publications by authors named "Gueleser Akpinar"

Para-labral cysts in the acetabulum often occur in the setting of labral tears. While labral tears are commonly identified in femoroacetabular impingement syndrome, developmental dysplasia of the hip is also a cause of chondrolabral pathology. Our understanding of para-labral cysts has encouraged addressing the concomitant labral pathology, as this has been shown to result in cyst resolution.

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Aim: This study assessed the effectiveness of ultrasonography-measured optic nerve sheath diameter (ONSD) in predicting large vessel occlusion (LVO) in ischemic stroke patients.

Materials And Methods: This single-center, prospective observational study involved patients presenting to the emergency department within 24 hours of symptom onset with moderate to severe stroke, and healthy volunteers.

Results: The study included 133 ischemic stroke patients and 63 healthy volunteers.

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Generative Adversarial Networks (GANs) have emerged as a powerful tool in artificial intelligence, particularly for unsupervised learning. This systematic review analyzes GAN applications in healthcare, focusing on image and signal-based studies across various clinical domains. Following Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) guidelines, we reviewed 72 relevant journal articles.

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Purpose: Bilateral inferior petrosal sinus sampling (BIPSS) is the gold standard for localizing ACTH-dependent Cushing's syndrome (CS). While corticotropin-releasing hormone (CRH) was initially used for stimulation, desmopressin has become a common alternative. This research evaluates desmopressin's effectiveness in lateralizing Cushing's disease (CD) during BIPSS compared to CRH stimulation.

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To compare the predictive effects of stone size and volume on the efficacy and safety of retrograde intrarenal surgery (RIRS) and to determine the cutoff values of stone volume for prediction of RIRS efficacy and safety. Patients who underwent RIRS between 2017 and 2021 in six referral centers were retrospectively included in the study. The database of the RIRsearch group, which was formed prospectively, was used for this retrospective analysis.

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Article Synopsis
  • - This study explores how manipulating whiskers during early development affects adult learning and memory, focusing on tactile stimulation (TS) and spatial memory in rats.
  • - Four groups of Wistar albino male rats underwent different treatments: control, whisker trimming, tactile stimulation, and a combination of both, with results assessed using an 8-arm radial maze test.
  • - Findings showed that tactile stimulation negatively impacted spatial memory and neuronal density in the hippocampus, suggesting that early sensory deprivation can trigger learning through moderate stress, while excessive TS may disrupt normal development and materal care.
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Objectives: To evaluate the effectiveness of intramedullary nailing combining with iliac or fibular autograft for the treatment of adult forearm nonunions.

Methods: Design: Retrospective case series.

Setting: Two academic trauma referral center.

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Total resection of glioblastoma (GB) tumors is nearly impossible, and systemic administration of temozolomide (TMZ) is often inadequate. This study presents a hybrid layered composite nanofiber mesh (LHN) designed for localized treatment in GB tumor bed. The LHN, consisting of polyvinyl alcohol and core-shell polylactic acid layers, was loaded with TMZ and rutin.

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Article Synopsis
  • The study focuses on detecting multijet signatures from proton-proton collisions at a high energy of 13 TeV, analyzing a dataset totaling 128 fb^{-1}.
  • A special data scouting method is utilized to pick out events with low combined momentum in jets.
  • This research is pioneering in its investigation of electroweak particle production in R-parity violating supersymmetric models, particularly examining hadronically decaying mass-degenerate higgsinos, and it broadens the limits on the existence of R-parity violating top squarks and gluinos.
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Article Synopsis
  • Multiple pulmonary nodules can arise from either benign or malignant processes, with metastasis being a primary concern in patients with a known primary cancer.
  • Differentiating between the causes of these nodules is complicated, as metastatic nodules can resemble those from infections, inflammation, and rare benign diseases.
  • Radiological features, along with clinical and laboratory findings, play a crucial role in distinguishing between metastatic and non-metastatic causes of multiple pulmonary nodules, which is essential for accurate diagnosis and treatment.
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Background: Periodic fever, aphthous stomatitis, pharyngitis, and adenitis (PFAPA) syndrome is a recurrent fever syndrome. The exact etiopathogenesis of PFAPA syndrome remains unknown. Biological fluids or tissues may provide disease-specific biomarkers that may help clinicians to find new pathogenic pathways.

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is an X-linked RNA helicases that escapes X chromosome inactivation and is expressed at higher levels in female brains. Mutations in are associated with intellectual disability (ID) and autism spectrum disorder (ASD) and are predominantly identified in females. Using cellular and mouse models, we show that mediates sexual dimorphisms in brain development at a molecular, cellular, and behavioral level.

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: Lymphedema is a progressive, chronic condition. Traumatic damage to the lymphatics, removal of lymph nodes, and/or radiation are the major causes of fibrosis and a subsequent pathological cascade. Macrophages play a crucial role in wound healing, with M1 macrophages known for their pro-inflammatory effects and M2 macrophages recognized for their anti-inflammatory effects, including improved angiogenesis, lymph angiogenesis, and tissue healing.

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The first search for soft unclustered energy patterns (SUEPs) is performed using an integrated luminosity of 138  fb^{-1} of proton-proton collision data at sqrt[s]=13  TeV, collected in 2016-2018 by the CMS detector at the LHC. Such SUEPs are predicted by hidden valley models with a new, confining force with a large 't Hooft coupling. In events with boosted topologies, selected by high-threshold hadronic triggers, the multiplicity and sphericity of clustered tracks are used to reject the background from standard model quantum chromodynamics.

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Background: Food protein-induced allergic proctocolitis (FPIAP) typically develops in infancy, a critical period for taste preference and feeding skill development. Eliminating culprit foods, along with limited food options and the child's distressing symptoms, can significantly impact the mothers' parenting roles. However, research on behavioral feeding problems and parenting stress in toddlers with FPIAP is lacking.

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This study aims to characterize idiopathic epiretinal membrane (iERM) using proteomic analysis to enhance diagnosis and treatment strategies. In a prospective case-control clinical trial, vitreous fluids (VF) from twelve iERM patients were collected during surgery and analyzed by 2DE-based MALDI TOF-TOF MS/MS. PANTHER and STRING analyses were performed to investigate the biological relationships between the identified proteins and to determine relevant cellular pathways.

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Objective: This study addressed the imperative for educational methodologies that effectively cultivate an understanding of diverse cultures within midwifery education curricula, particularly focusing on culture-based practices in the professional milieu. The primary objective was to develop a comprehensive methodology for the integration of cultural competence acquisition into midwifery undergraduate education. This study endeavoured to introduce and critically assesses an educational approach tailored to facilitate the acquisition of cultural competence and sensitivity among midwifery students.

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Current antibody-based immunotherapy depends on tumor antigen shedding for proper T cell priming. Here we select a novel human CD40 agonistic drug candidate and generate a bispecific antibody, herein named BiA9*2_HF, that allows for rapid antibody-peptide conjugate formation. The format is designed to facilitate peptide antigen delivery to CD40 expressing cells combined with simultaneous CD40 agonistic activity.

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Abernethy syndrome is a rare congenital vascular anomaly. In this condition, blood from the portal system is diverted to the caval system through a portocaval shunt, entirely or partially bypassing the liver. Prevalence figures in the literature range from 1 per 30000 population up to 1 per 50000 population.

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Article Synopsis
  • The study investigates the use of Artificial Intelligence (AI) to assess liver fibrosis in patients with Metabolic-Associated Steatotic Hepatitis (MASH) more accurately than traditional methods.
  • Out of 60 patients, biopsies were analyzed using AI technology to measure features like collagen area and entropy, revealing significant differences across fibrosis stages and treatment responses.
  • Results showed that AI could identify changes in fibrosis in 76% of cases post-treatment, suggesting it offers a more reliable way to evaluate disease progression and treatment efficacy.
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Background: There is limited information on the ethical issues encountered in living donor organ transplants performed on refugees and asylum seekers. This study investigates the ethical challenges faced by Syrian refugees under temporary protection in Türkiye who engage in living donor organ transplants.

Methods: From April to July 2022 in Istanbul, the research employed a qualitative design involving semi-structured, in-depth interviews with 27 participants, including organ donors and recipients.

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The first search for the Z boson decay to ττμμ at the CERN LHC is presented, based on data collected by the CMS experiment at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV and corresponding to an integrated luminosity of 138  fb^{-1}. The data are compatible with the predicted background. For the first time, an upper limit at the 95% confidence level of 6.

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Objective: The study aims to evaluate the stress distribution on tooth and restoration of zirconia endocrowns with pulp chamber or intracanal extension and zirconia post performed maxillary first molar using finite element analysis.

Method And Materials: Three three-dimensional endodontically treated maxillary molars were modeled. Cortical bone and cementum were modeled 2 mm and 200 μm in thickness.

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New FOXM1-specific inhibitors with the potential to be used for therapeutic purposes are under extensive research. We hypothesized that deacetylation of FOXM1 would decrease protein expression, thus providing novel therapeutic management of colon cancers. Immunostaining was used to determine FOXM1 and SIRT2 expressions in human colon cancer tissue microarrays (n = 90) from Stage I to Stage IV.

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Observation of the decay.

Eur Phys J C Part Fields

October 2024

Using proton-proton collision data corresponding to an integrated luminosity of collected by the CMS experiment at , the decay is observed for the first time, with a statistical significance exceeding 5 standard deviations. The relative branching fraction, with respect to the decay, is measured to be , where the first uncertainty is statistical, the second is systematic, and the third is related to the uncertainties in and .

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