Publications by authors named "Buesra Ergen"

Objectives: In this study, we aimed to evaluate microvascular changes using nailfold capillaroscopy in patients who underwent digit replantation and revascularization.

Patients And Methods: A total of 46 patients (34 males, 12 females; mean age: 45.8±17.

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Purpose: Recently, blood flow restriction (BFR) and cross education (CE) trainings are the options for quadriceps strength recovery after anterior cruciate ligament reconstruction (ACLR). The aim of this study was to investigate the effects of CE combined with BFR on quadriceps strength and thickness after ACLR.

Methods: Twenty-four male patients [(Age: 24.

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The optical centers in AlN can frequently exist in various charge states and can be accompanied by many coexisting defect species, creating a complex environment where mutual interactions are inevitable. Therefore, it is an immediate quest to design AlN crystal growth protocols that can target a specific optical center of interest and tune its concentration while preventing the formation of other unwanted point defects. Here, we provide a powerful workflow for point defect engineering in wide band gap, binary semiconductors that can be readily used to design optimal crystal growth protocols through combining CALPHAD-based phase analysis, and defect calculations.

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Introduction: The most prevalent head and neck cancer type is laryngeal cancer. Laryngeal cancer susceptibility is increased by a combination of genetic variables and environmental factors. Genetic predispositions that influence the functioning of the immune system can affect tumor development.

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The Achilles tendon is the strongest and largest tendon in the human body, composed of the distal confluence of the gastrocnemius and soleus muscles and may also include the plantaris longus tendons. Despite its tremendous strength, it is frequently injured. Soft tissue tumors or tumor-like conditions of Achilles tendon are much less common in comparison to traumatic and infectious/inflammatory lesions.

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Objective: This study aimed to develop a robotic system with autonomous functionality for holding and manipulating the endoscope in endoscopic endonasal surgery. A cost-effective prototype was created with the goal of using robotic assistance and achieving a more efficient learning curve for endoscopic surgery.

Methods: A Stewart platform-based endoscope holder and positioner robotic system, developed by the Mechatronics Engineering Department of Kocaeli University, was used in conjunction with 3D Slicer and Plus Toolkit open-source health technology software.

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Cell-type classification is a crucial step in single-cell sequencing analysis. Various methods have been proposed for transferring a cell-type label from an annotated reference atlas to unannotated query datasets. Existing methods for transferring cell-type labels lack proper uncertainty estimation for the resulting annotations, limiting interpretability and usefulness.

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Objective: This study aimed to develop the Turkish version of the Brief Michigan Hand Outcomes Questionnaire (B-MHQ) and to demonstrate its reliability and validity for evaluating hand function in the Turkish population with hand/wrist disorders.

Methods: This study was conducted in accordance with Beaton et al.'s Guidelines for the Process of Cross-Cultural Adaptation of SelfReport Measures.

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Unveiling functional relationships between various molecular cell phenotypes from data using machine learning models is a key promise of multiomics. Existing methods either use flexible but hard-to-interpret models or simpler, misspecified models. VI-VS (Variational Inference for Variable Selection) balances flexibility and interpretability to identify relevant feature relationships in multiomic data.

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Background:  Pituitary apoplexy is an acute clinical syndrome constituted by headache, visual impairment, ophthalmoplegia, and altered mental status. Abducens nerve palsy due to pituitary apoplexy is a significant clinical manifestation in pituitary apoplexy cases.This study aims to investigate the rare occurrence of isolated sixth cranial nerve palsy in patients with pituitary apoplexy, a condition characterized by sudden hemorrhagic or ischemic infarction of the pituitary gland.

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  • The study examines how cats respond to bacterial versus viral infections, focusing on the inflammatory responses that play a key role in managing these infections.
  • It involved 75 cats divided into three groups: healthy controls, those with bacterial infections, and those with viral infections, analyzing various blood parameters.
  • Findings indicated that while some inflammatory markers were similar, certain markers like TGF-β were lower in viral infections, and WBC count and IL-6 levels were higher in bacterial infections, highlighting distinct response patterns that could aid in treatment strategies for feline diseases.
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  • A recent discovery links the ZFYVE19 mutation to non-syndromic cholestasis, characterized by high gamma-glutamyl transferase levels, and potentially causing neonatal and intrahepatic cholestasis.
  • A 4-year-old patient with a confirmed ZFYVE19 mutation, diagnosed at age 2, showed elevated liver enzymes but maintained normal liver function; treatment with ursodeoxycholic acid effectively reduced symptoms.
  • Continued monitoring and whole exome sequencing (WES) are recommended to further understand the mutation's effects and possible liver complications in similar cases of unexplained liver issues.
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  • The study explores the link between trigeminal neuralgia (TN) and Chiari malformation type I (CMI), emphasizing the need for effective treatment strategies.
  • A review of 19 cases revealed that the V2 nerve division was most commonly affected, with various compressions and deformities observed in patients’ radiological findings.
  • The combination of posterior fossa decompression (PFD) and microvascular decompression (MVD) showed the most promising results for treating TN, particularly in cases involving the V2 nerve distribution.
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Objective: Immune-related gene expression levels in the tumor microenvironment (TM) of head and neck squamous cell carcinoma (HNSCC) patients was compared.

Materials And Methods: The CD163, CD274, CD86, FUT4, FOXP3, and ITGAX levels of HNSCC patients in their tumor tissues (n =76) and surrounding tissues adjacent to the tumor (n =76) were determined using quantitative real-time PCR (qRT-PCR). Changes in these genes were also evaluated by associating with demographical data of the patients.

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Background: Humeral lateral condyle fracture is the most common elbow fracture in children after supracondylar fractures. Non-union of these fractures may cause ulnar nerve deficit, deformity and loss of joint motion, which are difficult to manage. Treatment of lateral condyle non-union can be done in two stages or one stage.

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  • Latent tuberculosis infection (LTBI) screening is essential for solid organ transplant (SOT) recipients, but many centers in Turkey are not adequately performing these screenings.
  • In a study involving 766 SOT patients, 46.9% tested positive for LTBI, but only about half of those treated were registered, and there was a low completion rate of treatment.
  • The findings highlight the need for better TB risk assessment and adherence to national guidelines to improve pre-transplant care for SOT recipients in Turkey.
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Importance: Occupational therapy practitioners need modern tools for the assessment of maximal grip strength in clinical and remote settings.

Objective: To establish the (1) interrater reliability and (2) precision of the GripAble among three raters with different expertise in occupational therapy when testing healthy participants, and to (3) evaluate the relative reliabilities of different approaches to estimating grip strength (i.e.

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GaN is a technologically indispensable material for various optoelectronic properties, mainly due to the dopant-induced or native atomic-scale point defects that can create single photon emitters, a range of luminescence bands, and n- or p-type conductivities. Among the various dopants, chromium and manganese-induced defects have been of particular interest over the past few years, because some of them contribute to our present-day light-emitting diode (LED) and spintronic technologies. However, the nature of such atomistic centers in Cr and Mn-doped GaN is yet to be understood.

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Background: Crush syndrome (CS) is characterized by high morbidity and mortality due to severe electrolyte disorders, circulatory dysfunction, and multiple organ failure, secondary to severe rhabdomyolysis and reperfusion injuries. Acute kidney injury (AKI) related to crush syndrome is one of the life-threatening complications and is the most frequent cause of death following earthquakes, other than trauma. We conducted a retrospective study to identify predictive parameters from clinical and laboratory data that aid in recognizing CS, assessing its severity, and evaluating acute kidney injury and amputation indications in patients.

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  • - The study explores the relationship between microRNAs, particularly miR-127-5p, and cancer stem cells in breast cancer, focusing on boric acid's potential anti-cancer properties.
  • - Boric acid was found to reduce the viability of breast cancer stem cells (BC-SCs) in a dose- and time-dependent manner, with specific IC50 values established for both MCF-7 cells and BC-SCs.
  • - Results indicated that while boric acid increases miR-127-5p expression and downregulates certain metastatic genes, it does not enhance the metastasis properties of breast cancer stem cells.
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Objective: To investigate the impact of cumulative cisplatin dose on clinical outcomes in locally advanced cervical cancer patients undergoing definitive chemoradiotherapy.

Methods: A retrospective analysis was conducted on 654 patients with stage IB3-IVA disease treated with definitive chemoradiotherapy. Radiotherapy was applied as external beam pelvic with or without para-aortic radiotherapy and brachytherapy.

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During ontogeny, γδ T cells emerge from the thymus and directly seed peripheral tissues for in situ immunity. However, their functional role in humans has largely been defined from blood. Here, we analyzed the phenotype, transcriptome, function, and repertoire of human γδ T cells in blood and mucosal and lymphoid tissues from 176 donors across the life span, revealing distinct profiles in children compared with adults.

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Background: The Liliequist membrane (LM) represents a crucial yet challenging anatomical structure in neuroanatomy. First observed in 1875 and later elucidated by Bengt Liliequist in 1956, the LM's precise anatomical description and boundaries remain complex. Its significance extends to neurosurgery, impacting various procedures like endoscopic third ventriculocisternostomies, aneurysm and tumor surgeries, treatment of suprasellar arachnoid cysts, and managing perimesencephalic hemorrhages.

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