Publications by authors named "Ozguer Er"

Magnesium (Mg) is a mineral necessary for many biological activities in mammals. Here, we compared the effect of two Mg compounds [Mg picolinate (MgPic) to Mg oxide (MgO)] on Mg bioavailability and intestinal Mg and calcium transporter protein levels. Three groups of 21 male Wistar-Albino rats were randomly allocated and fed a standard diet (control) or a 500 mg/kg Mg-supplemented (MgPic or MgO) diet for 8 weeks.

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Chronic granulomatous disease (CGD) is a congenital disorder impairing phagocyte function, causing recurrent, life-threatening infections, and is rarely seen in adulthood. We present a 36-year-old male initially diagnosed with pneumonia. Bronchoalveolar lavage and blood cultures yielded complex, sputum cultures .

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Objective: This retrospective study aimed to assess the presence and amount of external apical root resorption (EARR) in endodontically treated teeth (ETT) and contralateral teeth with vital pulp (VPT) following orthodontic treatment.

Methods: The study sample included panoramic radiographs of 503 patients (314 females and 189 males; 16.29 years±3.

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Highly selective inhibitors of cyclin-dependent kinase 4 and 6 (CDK4/6is) have emerged as a standart of care for first- and second-line therapies in combination with endocrine therapy (ET) for HR+/HER2- metastatic breast cancer (MBC) patients. It has been reported that combination therapy is more effective than ET alone and is safe in elderly patients as well as young patients. Nevertheless, elderly and very old patients with HR+/HER2-MBC treated with CDK4/6 inhibitor (CDK4/6i) combinations are relatively underrepresented in randomized controlled trials.

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Purpose: The mandible is the second most fractured facial bone. The timing of open reduction internal fixation (ORIF) has been a subject of debate for decades. The authors sought to investigate the association between the timing of ORIF and the incidence of postoperative complications.

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Novel therapeutic interventions are required to address the critical antimicrobial resistance caused by multidrug-resistant (MDR-PA) infections. This study examines the impact of combining delafloxacin with antibiotics on MDR-PA isolated from various samples. The minimum inhibitory concentrations (MICs) of delafloxacin, alone and in combination with other antibiotics, were determined against forty distinct MDR-PA isolates using the broth microdilution method.

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We investigated oscillatory motion of a camphor disk floating on water containing 5 mM hexylethylenediaminium trifluoroacetate (HHexen-TFA) as an ionic liquid (IL). The frequency of the oscillatory motion increased with increasing concentrations of the transition metal ions Cu and Ni but was insensitive to Na, Ca, and Mg, the typical metal ions in the water phase. The surface tension of the water phase containing 5 mM HHexen-TFA also increased with increasing concentrations of Cu and Ni but was insensitive to Na, Ca, and Mg.

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Introduction: This study describes and analyzes the distribution of fall cases documented in the National Injury Surveillance System (NISS) from 2019 to 2022.

Methods: Fall data from the NISS (2019-2022) were descriptively analyzed by gender and age.

Results: The NISS in China reported 2,324,577 fall cases from 2019 to 2022.

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Article Synopsis
  • Entamoeba histolytica is a parasite causing intestinal amebiasis, particularly prevalent in tropical areas and a major health issue in developing countries. Traditional diagnostic methods can cause delays in treatment, exacerbating patient conditions.
  • A case involving a 59-year-old HIV-positive man revealed how initial testing misdiagnosed his illness, but advanced diagnostics using the FilmArray GI Panel quickly identified E. histolytica in under an hour.
  • The successful and prompt treatment with antiamoebic drugs significantly improved the patient's health, highlighting the importance of rapid diagnosis in managing gastrointestinal infections effectively.
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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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Machine learning models for the diagnosis of breast cancer can facilitate the prediction of cancer risk and subsequent patient management among other clinical tasks. For the models to impact clinical practice, they ought to follow standard workflows, help interpret mammography and ultrasound data, evaluate clinical contextual information, handle incomplete data and be validated in prospective settings. Here we report the development and testing of a multimodal model leveraging mammography and ultrasound modules for the stratification of breast cancer risk based on clinical metadata, mammography and trimodal ultrasound (19,360 images of 5,216 breasts) from 5,025 patients with surgically confirmed pathology across medical centres and scanner manufacturers.

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Autoimmune gastritis is an immune-mediated disease characterized by the destruction of parietal cells and atrophy of the oxyntic mucosa due to anti-parietal cell antibodies. It may lead to serious conditions including iron/vitamin B12 and micronutrient deficiencies, neurological disorders, and gastric malignancies. The exact mechanism of this disease is not exactly understood; however, dysregulated immunological mechanisms appear to be major contributors.

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Singapore has seen an increase in norovirus outbreaks in preschools from 2019 to 2022 primarily due to person-to-person transmission. This study describes the use of compartmental susceptible-exposed-infectious-recovered (SEIR) modelling to simulate the spread of norovirus among preschool children in a classroom setting. Different intervention measures, such as isolation of infected preschoolers, handwashing and surface decontamination were modelled to quantify their effectiveness at reducing the number of children infected.

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Background: Patients with primary aldosteronism (PA) exhibit a high prevalence of diabetes mellitus (DM). However, the relationship between visceral adipose tissue (VAT) and new-onset diabetes mellitus (NODM) in PA patients remains unclear.

Objectives: To explore the association between VAT and the risk of NODM in PA patients.

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  • Voriconazole (VCZ) serum concentrations can be influenced by various factors, and this study explores its levels in patients with COVID-19-associated aspergillosis (CAPA) and invasive pulmonary aspergillosis (IPA).
  • The study included 85 patients, finding that about 50.6% had VCZ levels in the therapeutic range, while a significant number had either sub-therapeutic or supra-therapeutic levels, with inflammation markers notably higher in those with supra-therapeutic levels.
  • CAPA patients showed a higher incidence of adverse effects and elevated VCZ levels compared to IPA patients, highlighting the need for more frequent monitoring of VCZ in this group.
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  • Dual antiplatelet therapy (DAPT) is essential for managing acute and chronic coronary syndromes, helping to lower mortality rates and prevent further complications.
  • A study followed 1500 patients on a specific fixed-dose DAPT (ASA + clopidogrel) to evaluate its effectiveness and safety, primarily focusing on hospitalization and bleeding risks.
  • Results indicated that the fixed-dose combination therapy was effective, with low rates of hospitalization for cardiovascular issues and minimal bleeding complications in appropriately selected patients.
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  • * The study explores how the Hedgehog signalling pathway affects trastuzumab resistance in HER2-positive breast cancer, revealing that resistant cell lines show increased Hedgehog activity and stemness markers.
  • * Treatment with the Hedgehog inhibitor GANT61 combined with trastuzumab significantly lowers stemness marker expression, indicating that targeting Hedgehog signalling could help overcome resistance and improve treatment outcomes.
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Food safety and food security can impact the quality of human life, and these two aspects are interrelated alongside many influencing external factors. Global stressors such as climate change, recent pandemic, and geopolitical tensions have demonstrated tangible impacts on food security and safety. Food and food system innovation is a key strategy towards feeding the world in a more sustainable and climate-resilient manner.

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Background: Learning analytics (LA) is a tool for gathering, analysing, and interpreting data related to student's learning behaviour, engagement, and performance. As the student data collected by the institutions are used to construct LA, it is essential to understand the acceptance and readiness of the students regarding the implementation of LA.

Methods: A sequential mixed method research design was used in this study.

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Anesthesia is applied to protect fish welfare for reducing employee workload in aquaculture. The efficacy of the anesthetic agent varies depending on the fish species. In this study, the effect of a commercial anesthetic (VetiVital AquaSED) manufactured mainly with herbal extracts (includes eugenol, linalool, linalyl acetat etc.

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Post-traumatic stress disorder (PTSD) induced by war and conflict can impact the cognitive functions of both traumatized veterans and their spouses. This qualitative study explores the experiences of veterans diagnosed with PTSD and their spouses, focusing on the challenges in their cognitive functions, using a phenomenological approach. In-depth interviews were conducted with 42 participants, including 21 veterans and 21 spouses of veterans diagnosed with PTSD.

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  • Prolonged storage and improper temperatures negatively impact the nutritional and biological properties of raw camel milk.
  • A study on Bactrian camel milk from Qinghai Province, China, reveals that protein, fats, and other components decrease over a week when stored at 4°C.
  • Microbial shifts during storage lead to further degradation, highlighting the challenges of transporting camel milk long distances while maintaining its quality.
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An undescribed relapsing fever group Borrelia species was detected in a male Haemaphysalis semermis tick infesting a rural cat in an indigenous population in Pahang National Park, Peninsular Malaysia. The 16 S rRNA gene sequence revealed close similarity of this variant to several undescribed Borrelia species and Borrelia theileri, with genetic distances ranging from 0.58 to 0.

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In this study, five 3-aryloxirane-2-carboxylate derivatives were prepared, and the antiproliferative activities of molecules were screened in lung and colon cancer cell lines. The results showed that molecules had antiproliferative activity on cancerous cells with IC values under 100 µM. Furthermore, all of the molecules were found to have a much higher cytotoxic effect than cisplatin in colon cancer cells.

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