Publications by authors named "Keles M"

Introduction: Dysphagia is a prevalent symptom of various neurological diseases and is associated with decreased quality of life. The M.D.

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  • HbA is crucial for diagnosing and treating diabetes, serving as a key biomarker for monitoring blood sugar levels and predicting vascular complications.
  • The study measured biological variation (BV) in HbA by collecting and analyzing blood samples from 38 healthy individuals over ten weeks using advanced statistical methods.
  • Findings showed a within-subject BV of 2.9% and a between-subject BV of 7.9%, suggesting that the reference change value is more reliable for interpreting HbA1c than standard population references.
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  • * About 9.8% of the patients died during hospitalization, with older individuals and those with preexisting kidney issues showing higher mortality rates due to severe injuries and complications.
  • * Key factors influencing mortality included age, injury severity, shock, and certain elevated lab values, highlighting the need for better disaster preparedness and health care improvements for future events.
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  • Millions are affected by natural disasters annually, leading to serious medical issues like crush syndrome, which often results in acute kidney injury tied to high mortality rates.
  • This study analyzed data from 1024 patients with crush syndrome after the February 2023 earthquakes in Kahramanmaras, focusing on their treatment and outcomes in Turkish hospitals.
  • The findings revealed high rates of acute kidney injury and hemodialysis treatment, with a 9.8% in-hospital mortality rate, highlighting the urgent need for improved emergency response training and protocols for managing kidney health in disaster scenarios.
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  • Pathological cardiac remodeling can lead to heart failure, and the study focused on two long non-coding RNAs (lncRNAs) that are upregulated in failing hearts.
  • Overexpressing these lncRNAs in mice worsened heart dysfunction and increased hypertrophy and fibrosis in response to pressure overload.
  • Knocking out these lncRNAs reduced heart damage and improved blood vessel growth but also led to sudden death in some mice, highlighting their complex role in heart failure and potential as therapeutic targets.
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Purpose: The purpose of this finite element analysis (FEA) study was to analyze the stress distribution on prosthetic components of splinted and nonsplinted prostheses, bone, and implants with different crown height space (CHS).

Materials And Methods: Mandibular posterior segment was modeled with no resorption at the second premolar site and various amounts of resorption (0, 3, 6, and 9 mm) at the first molar site. Two adjacent implants (Straumann bone level implants, 4.

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Animals exhibit rhythmic patterns of behavior that are shaped by an internal circadian clock and the external environment. Although light intensity varies across the day, there are particularly robust differences at twilight (dawn/dusk). These periods are also associated with major changes in behavioral states, such as the transition from arousal to sleep.

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Mini-PCNL is one of the most effective surgical methods in the treatment of kidney stones in pediatric patients. In this study, we aimed to compare PCNL in the supine-prone position in pediatric patients (especially operation time, postop complications, hospital stay and stone-free rates).We conducted our study in a randomized and prospective manner.

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  • The study aimed to assess the vaccine response and impact of the BNT162b2 booster on COVID-19 positivity in haemodialysis (HD) and peritoneal dialysis (PD) patients previously vaccinated with two doses of CoronaVac.
  • A total of 80 PD and 163 HD patients were analyzed for antibody levels at various intervals post-vaccination, noting that all patients receiving the BNT162b2 booster showed seropositivity, while those who received another CoronaVac booster did not.
  • Results suggested that older age increased COVID-19 positivity, but receiving the booster significantly reduced this risk, highlighting the potential need for additional vaccination doses for patients undergoing dialysis.
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Fibrosis is a hallmark of chronic disease. Although fibroblasts are involved, it is unclear to what extent endothelial cells also might contribute. We detected increased expression of the transcription factor in endothelial cells in several different mouse fibrosis models.

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Animal behavior depends on internal state. While subtle movements can signify significant changes in internal state, computational methods for analyzing these "microbehaviors" are lacking. Here, we present FlyVISTA, a machine-learning platform to characterize microbehaviors in freely-moving flies, which we use to perform deep phenotyping of sleep.

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Circadian clocks generate rhythms of arousal, but the underlying molecular and cellular mechanisms remain unclear. In Drosophila, the clock output molecule WIDE AWAKE (WAKE) labels rhythmic neural networks and cyclically regulates sleep and arousal. Here, we show, in a male mouse model, that mWAKE/ANKFN1 labels a subpopulation of dorsomedial hypothalamus (DMH) neurons involved in rhythmic arousal and acts in the DMH to reduce arousal at night.

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Animals exhibit rhythmic patterns of behavior that are shaped by an internal circadian clock and the external environment. While light intensity varies across the day, there are particularly robust differences at twilight (dawn/dusk). These periods are also associated with major changes in behavioral states, such as the transition from arousal to sleep.

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Background: Endothelial cells (ECs) are primed to respond to various signaling cues. For example, TGF (transforming growth factor)-β has major effects on EC function and phenotype by driving ECs towards a more mesenchymal state (ie, triggering endothelial to mesenchymal activation), a dynamic process associated with cardiovascular diseases. Although transcriptional regulation triggered by TGF-β in ECs is well characterized, post-transcriptional regulatory mechanisms induced by TGF-β remain largely unknown.

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Background: Prostate cancer (PCa) is the most common cancer affecting men, apart from cutaneous cancers. Serum prostate specific antigen (PSA) levels are frequently used to predict prostate cancer diagnosis. However, many causes (e.

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The chemical composition of PM at two sites in Lebanon, a country in the East Mediterranean - Middle East region, is investigated in the spring and summer seasons. The average PM concentrations were of (29 ± 16) µg/m for Beirut urban site and (32 ± 14) µg/m for Beirut suburban site. This study showed that the geographic location of the East Mediterranean region, such as its proximity to the Mediterranean Sea and the dust storm intrusion are a significant contributor to the high PM levels from natural sources, which cannot be mitigated, rendering the PM WHO annual Air Quality guideline unattainable due to high natural background, which also applies to the entire Middle East region.

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Background: Erectile dysfunction (ED) involves the inability to initiate or sustain penile erection with sufficient hardness to ensure satisfying sexual relations. Many causes are blamed in the etiology.

Objectives: In this study, the correlation between serum vitamin B12 (vit B12) levels with ED was researched in a homogeneous case group after exclusion of all other predisposing conditions causing ED.

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Aim: The study aims to explore the predictors of the quality of life of caregivers of women receiving cancer treatment in Turkey.

Method: This study was conducted in a Medical-Oncology inpatient clinic of a University Hospital in Istanbul, Turkey, between February and June 2020. Descriptive data were collected from 128 family caregivers using caregiver and patient identification forms and the quality of life scale- family version.

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The objective of the present study was to investigate the physicochemical properties and powder characterization of hempseed milk powders obtained by whole hempseed and cold-pressed whole hempseed paste (de-oiled). Whole hempseed and de-oiled hempseed paste were used to produce plant based milk powder applying spray drying process. The influence of oil content on physicochemical features, emulsion and rheological properties of the powders was examined.

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In this study, the association between PAPPA2 coding variants and gastrointestinal (GI) nematode fecal egg count (FEC) score in adult Turkish sheep was investigated. For this purpose, the FEC score was determined in adult sheep from six breeds: Karacabey Merino (n = 137), Kivircik (n = 116), Cine capari (n = 109), Karakacan (n = 102), Imroz (n = 73), and Chios (n = 50). Sheep were classified as shedders or non-shedders within breeds and flocks.

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The optically pure binaphthyl-based phosphoramidite ligands and their perfluorinated analogs have been first used for the preparation of chiral palladium nanoparticles (PdNPs). These PdNPs have been extensively characterized by X-ray diffraction, X-ray photoelectron spectroscopy, transmission electron microscopy, P NMR, and thermogravimetric analysis techniques. The circular dichroism(CD) analysis of chiral PdNPs exhibited negative cotton effects.

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(1) Background: Diabetic cardiomyopathy is a major health problem worldwide. CTRP9, a secreted glycoprotein, is mainly expressed in cardiac endothelial cells and becomes downregulated in mouse models of diabetes mellitus; (2) Methods: In this study, we investigated the impact of CTRP9 on early stages of diabetic cardiomyopathy induced by 12 weeks of high-fat diet; (3) Results: While the lack of CTRP9 in knock-out mice aggravated insulin resistance and triggered diastolic left ventricular dysfunction, AAV9-mediated cardiac CTRP9 overexpression ameliorated cardiomyopathy under these conditions. At this early disease state upon high-fat diet, no fibrosis, no oxidative damage and no lipid deposition were identified in the myocardium of any of the experimental groups.

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