Publications by authors named "Oner C"

An embryo culture medium is a specialized set of ambient conditions, technological equipment, and nutrients that embryos require to grow properly. We aimed to investigate the , , and gene expression differences between developing and non-developing embryos in spent embryo culture medium. , , and gene expressions were determined from the spent embryo culture medium containing developing and non-developing embryos of 20 normoresponder patients admitted to the Bahçeci Umut IVF Center.

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Neuroblastoma shows the highest lethality in childhood and has poor prognosis at high grade. Our objectives included determining how retinoic acid affected the growth of neuroblastoma cells and the relationship between chemicals unique to neurons and cell death processes like apoptosis and mitophagy. The 50% inhibitory concentration of retinoic acid on SH-SY5Y neuroblastoma cells was determined at the 24th, 48th and 72nd hours.

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  • PIWI-Interacting RNAs (piRNAs) are small non-coding RNAs that help regulate gene expression by silencing transposons and degrading mRNA, which is critical for controlling cancer cell behavior.
  • The study focused on inhibiting two specific piRNAs (piR-651 and piR-823) in triple-negative breast cancer cells (MDA-MB-231) and assessing the impact on healthy human vascular cells (HUVEC).
  • Findings showed that blocking piR-651 and piR-823 significantly reduced cancer cell motility and invasion, while having minimal effects on healthy cells, indicating their potential for use in targeted cancer therapies.
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  • Mitochondria play a crucial role in early embryo development by providing energy through mitochondrial DNA, particularly during the transition from oocyte to embryo.
  • This study compared the expression of specific genes related to mitophagy and apoptosis in the culture fluids of embryos from different patient groups, including those with polycystic ovary syndrome (PCOS) and varying ovarian reserves.
  • The findings suggest that analyzing the gene expressions in embryo culture fluids can offer insights into mitochondrial dysfunction and cellular health in female infertility without invasive procedures.
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  • The study evaluated the reliability of the AO Spine-DGOU Osteoporotic Fracture classification system using a cross-sectional survey with 23 trauma experts rating 33 cases at two different times.
  • The calculated kappa statistics indicated moderate inter-rater agreement and substantial intra-rater reproducibility, suggesting that while raters differed slightly, individual consistency was high.
  • The findings highlight the importance of training in improving the reliability of the classification system for identifying fracture patterns and guiding treatment.
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Although various approaches have been used in diabetes self-management education (DSME) programs, the effect of DSME programs on glycemic control is controversial. This study aimed to compare the effects of structured individual education and combined education on glycemic regulation in type 2 diabetes mellitus (T2DM). This study included T2DM patients who applied to the Ust Kaynarca Diabetes Center between 1 January 2018 and 11 March 2020.

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Study Design: Literature review with clinical recommendations.

Objective: To highlight important studies about osteoporotic spinal fractures (OF) that may be integrated into clinical practice based on the assessment of the AO Spine KF Trauma and Infection group key opinion leaders.

Methods: 4 important studies about OF that may affect current clinical practice of spinal surgeons were selected and reviewed with the aim of providing clinical recommendations to streamline the journey of research into clinical practice.

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Introduction: It was not even a century ago when a spinal cord injury (SCI) would inevitably result in a fatal outcome, particularly for those with complete SCI. Throughout history, there have been extensive endeavours to change the prospects for SCI patients by performing surgery, even though many believed that there was no way to alter the catastrophic course of SCI. To this day, the debate regarding the efficacy of surgery in improving the neurological outcome for SCI patients persists, along with discussions about the timing of surgical intervention.

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  • - The study aimed to investigate how socioeconomic factors affect the time between abnormal cervical cancer screenings and follow-up colposcopy in patients at a large urban medical center, focusing on differences based on insurance status.
  • - Researchers looked at data from patients aged 21-65 who had colposcopy appointments between January 2021 and January 2022, comparing patient demographics and the waiting times for colposcopy based on whether they were seen by resident or faculty practices.
  • - Findings revealed that publicly insured patients in the resident practice waited significantly longer for colposcopy (median of 79.5 days) compared to those in the faculty practice (median of 34 days), suggesting a need to address these disparities in healthcare access.
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Diabetic retinopathy is a commonly observed cause of blindness and is a common problem in individuals with diabetes. Recent investigations have showed the capability of serum α-Klotho and FGF 23 in mitigating the effects of diabetic retinopathy. This study aimed to discover the correlation between FGF 23, α-Klotho, and diabetic retinopathy in type 1 diabetics.

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Study Design: A prospective study.

Objective: to evaluate the impact of vertebral body comminution and Posterior Ligamentous Complex (PLC) integrity on the treatment recommendations of thoracolumbar fractures among an expert panel of 22 spine surgeons.

Methods: A review of 183 prospectively collected thoracolumbar burst fracture computed tomography (CT) scans by an expert panel of 22 trauma spine surgeons to assess vertebral body comminution and PLC integrity.

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Study Design: Retrospective analysis of prospectively collected data.

Objectives: To compare decision-making between an expert panel and real-world spine surgeons in thoracolumbar burst fractures (TLBFs) without neurological deficits and analyze which factors influence surgical decision-making.

Methods: This study is a sub-analysis of a prospective observational study in TL fractures.

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Study Design: Prospective Observational Study.

Objective: To determine the alignment of the AO Spine Thoracolumbar Injury Classification system and treatment algorithm with contemporary surgical decision making.

Methods: 183 cases of thoracolumbar burst fractures were reviewed by 22 AO Spine Knowledge Forum Trauma experts.

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Study Design: Reliability study utilizing 183 injury CT scans by 22 spine trauma experts with assessment of radiographic features, classification of injuries and treatment recommendations.

Objectives: To assess the reliability of the AOSpine TL Injury Classification System (TLICS) including the categories within the classification and the M1 modifier.

Methods: Kappa and Intraclass correlation coefficients were produced.

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Article Synopsis
  • This study analyzed data from 183 cases of thoracolumbar burst fractures to understand factors affecting treatment agreement among experts.
  • Only 4.4% of cases reached full expert consensus, with 44.3% in the agreement group and 55.7% in the equipoise group, indicating significant uncertainty among the panel.
  • The agreement group showed greater certainty regarding PLC disruption and more usage of the M1 modifier, while the equipoise group had a higher proportion of more severe A3/A4 fractures, suggesting a need for further research on how comminution influences treatment decisions.
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Study Design: This paper presents a description of a conceptual framework and methodology that is applicable to the manuscripts that comprise this focus issue.

Objectives: Our goal is to present a conceptual framework which is relied upon to better understand the processes through which surgeons make therapeutic decisions around how to treat thoracolumbar burst fractures (TL) fractures.

Methods: We will describe the methodology used in the AO Spine TL A3/4 Study prospective observational study and how the radiographs collected for this study were utilized to study the relationships between various variables that factor into surgeon decision making.

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Study Design: Predictive algorithm via decision tree.

Objectives: Artificial intelligence (AI) remain an emerging field and have not previously been used to guide therapeutic decision making in thoracolumbar burst fractures. Building such models may reduce the variability in treatment recommendations.

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Study Design: Cross-sectional survey study.

Objective: To investigate factors affecting decision-making in thoracolumbar burst-fractures without neurologic deficit.

Methods: A 40-question survey addressing expert-related, economic, and radiological factors was distributed to 30 international trauma experts.

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We propose that the key to improving care for these patients is to truly understand the processes that take place from the interpretation of radiographic findings, through the assessment of the severity of various injuries, to inclusion within a classification category and finally to selecting a specific treatment.

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Study Design: Global cross-sectional survey.

Objective: To establish a surgical algorithm for sacral fractures based on the Arbeitsgemeinschaft für Osteosynthesefragen (AO) Spine Sacral Injury Classification System.

Summary Of Background Data: Although the AO Spine Sacral Injury Classification has been validated across an international audience of surgeons, a consensus on a surgical algorithm for sacral fractures using the Sacral AO Spine Injury Score (Sacral AOSIS) has yet to be developed.

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Introduction: Cervical intraepithelial neoplasia 3 is associated with a high degree of progression to cervical cancer. Its risk is markedly reduced after excisional treatment. Hence, it is critical that providers accurately diagnose and treat this condition.

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Objective: To identify the presence of MAFLD (metabolic associated fatty liver disease) with some non-invasive screening methods and the factors affecting in patients with metabolic dysfunction.

Study Design: A cross-sectional study. Place and Duration of the Study: University of Health Sciences, Kartal Dr.

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