Publications by authors named "Ozdemir C"

Objective And Aim: Interventional diagnostic procedures such as bronchoscopy and transthoracic needle aspiration can lead to significant complications, especially in more vulnerable patients. In our study, we aimed to evaluate the characteristics of patients with high diagnostic rates via sputum cytology, a non-invasive technique.

Methods: This retrospective, nested case-control study included patients who were diagnosed with lung cancer and who underwent sputum cytology at least once in our tertiary referral hospital between 2012 and 2022.

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Skeletal dysplasias, characterized by bone, cartilage, and connective tissue abnormalities, often arise due to disruptions in extracellular matrix (ECM) dynamics and growth factor-dependent signaling pathways. RSPRY1, a secreted protein with RING and SPRY domains, has been implicated in bone development, yet its exact role remains to be determined. gene mutations are associated with spondyloepimetaphyseal dysplasia (SEMD), a rare skeletal disorder characterized by severe epiphyseal and metaphyseal deformities.

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Bone marrow is a complex tissue featuring distinct cellular organization and diverse cell types. Bone marrow adipose tissue (BMAT) is a dynamic component crucial for tissue function and disease processes. This study explores differences between bone marrow-derived mesenchymal stem cells (BM-MSCs) and BMAT-derived mesenchymal stem cells (BMAT-MSCs), isolated from the same cavity, examining their differentiation potential and secretory profiles.

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Aim: This systematic review and meta-analysis aimed to evaluate the effect of technology-based interventions on the pain of paediatric surgery patients.

Background: Recently, the number of technology-based interventions involving multimodal nonpharmacological methods tailored to pain management in paediatric surgery patients has increased. It is crucial to determine the effectiveness of these interventions.

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Background: Polysomnography (PSG) is resource-intensive but remains the gold standard for diagnosing Obstructive Sleep Apnea (OSA). We aimed to develop a screening tool to better allocate resources by identifying individuals at higher risk for OSA, overcoming limitations of current tools that may under-diagnose based on self-reported symptoms.

Methods: A total of 884 patients (490 diagnosed with OSA) were included, which was divided into the training, validation, and test sets.

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Ischemia-reperfusion (I/R) injury is a process in which impaired perfusion is restored by restoring blood flow and tissue recirculation. Nanomedicine uses cutting-edge technologies that emerge from interdisciplinary influences. In the literature, there are very few in vivo and in vitro studies on how cerium oxide (CeO) affects systemic anti-inflammatory response and inflammation.

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Bone marrow adipose tissue (BMAT) has garnered significant attention due to its critical roles in leukemia pathogenesis, cancer metastasis, and bone marrow failure. BMAT is a metabolically active, distinct tissue that differs from other fat depots. Marrow adipocytes, closely interacting with hematopoietic stem/progenitor cells and osteoblasts, play a pivotal role in regulating their functions.

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Tracheal schwannomas are exceedingly rare, accounting for a minute fraction of primary tracheal tumors. They are classified into intraluminal and mixed types, with treatment strategies varying significantly between these subtypes. While thorax tomography is usually sufficient to distinguish intraluminal and mixed type, endobronchial ultrasonography (EBUS) can also be used in cases where the distinction cannot be made clearly with tomography.

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Silicon photonics is a rapidly developing technology that promises to revolutionize the way we communicate, compute and sense the world. However, the lack of highly scalable, native complementary metal-oxide-semiconductor (CMOS)-integrated light sources is one of the main factors hampering its widespread adoption. Despite considerable progress in hybrid and heterogeneous integration of III-V light sources on silicon, monolithic integration by direct epitaxy of III-V materials remains the pinnacle of cost-effective on-chip light sources.

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Background And Aims: Insulin resistance is considered the most important key mechanism in the development of nonalcoholic fatty liver disease (NAFLD). Some studies have reported that hyperinsulinemia decreases the hepatic secretion of apolipoprotein (Apo) B. Chronic hyperinsulinemia in NAFLD may be responsible for the accumulation of triglycerides in hepatocytes.

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Article Synopsis
  • Cryptorchidism can lead to infertility and testicular cancer, with estrogen signaling being essential for testicle descent and hormonal imbalances contributing to the condition.
  • The study aimed to examine the association between specific genetic variations (polymorphisms) in the CYP19 and ESR2 genes and the risk of developing cryptorchidism in children.
  • Results showed significant differences in the frequency of certain genotypes and alleles between cryptorchid patients and healthy controls, suggesting that specific variations could increase the risk of cryptorchidism while others may provide protection.
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Genes involved in lipid metabolism have been considered potential therapeutic targets in lung cancer because lipid metabolism is severely disrupted in this cancer. Monoglyceride lipase (MGLL) is a lipolytic enzyme that converts monoacylglycerides to fatty acids and glycerol. MicroRNAs (miRNA), one of the most important epigenetic regulators of gene expression, are also considered potential biomarkers in diagnosing, treating, and prognosis lung cancer.

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Alzheimer's disease (AD) is a neurocognitive disorder that deteriorates memory and impairs cognitive functions. Mild Cognitive Impairment (MCI) is generally considered as an intermediate phase between normal cognitive aging and more severe conditions such as AD. Although not all individuals with MCI will develop AD, they are at an increased risk of developing AD.

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The abscopal effect refers to an anti-tumor response that occurs in areas where radiotherapy (RT) has not been directly administered but is triggered by the immune system. We presented a case of an undifferentiated pleomorphic sarcoma with three relapses that showed a complete response after distant metastatic disease. The tumor was initially detected in the left pectoral muscle.

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  • The study focuses on the sphenoid sinus (SS), which is significant in neurosurgery due to its proximity to vital neurovascular structures.
  • It involved analyzing helical CT scans from 49 patients (21 females, 28 males) to measure the volumetric differences in the SS between genders.
  • The results showed that males had larger volumes of the SS compared to females, with a statistically significant difference in side asymmetry, suggesting that gender-related factors may influence the size of the SS during the pneumatization process.
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There are conflicting data regarding the prognostic effect of microvascular density (MVD) in breast cancer and its molecular subtypes. It is thought that high levels of FOXP3 + T cells in breast cancer are associated with poor prognosis. However, data regarding FOXP3 show significant variability in the literature.

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  • The study examined how indoor allergen exposure during the COVID-19 pandemic affected allergen sensitivity in young children with asthma.
  • Asthmatic children tested after the lockdown showed significantly higher sensitivity to house dust mites and animal dander compared to those tested before the pandemic.
  • Increased indoor time and pet ownership during lockdown were linked to heightened allergen sensitization and a rise in asthma attacks requiring treatment.
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Background: Since nursing students' interactions with nurses in the clinical practice process play an important role in nursing education and practice, it is a necessity to evaluate nurses' attitudes towards students.

Aim: To develop a valid and reliable measurement tool to determine the attitudes of nurses' towards nursing students in the clinical practice process.

Design: This study used a quantitative cross-sectional design.

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It is well-established that the dam and seqA genes act in the biofilm production in Salmonella. However, the molecular basis underlying this activity remains unexplored. This study aims to address this gap in the literature.

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Background: This study aims to examine leptin and ghrelin gene polymorphisms and serum levels in children with autism spectrum disorder (ASD).

Methods: The study comprised a case group of 40 children aged 2-7 diagnosed with ASD and a control group of 40 healthy children. The severity of ASD symptoms was assessed using the Childhood Autism Rating Scale and the Autism Behavior Checklist.

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Purpose: In this study, we aimed to investigate the risk of balance disorders and falls in patients with diabetic neuropathic pain and the associated kinesiophobia and physical limitation.

Methods: This study was designed as a cross-sectional descriptive study and was conducted with 250 patients seen in Family Medicine outpatient clinics between February and March 2023. The Tampa Kinesiophobia Scale (TSK) was used to measure the patients' fear of movement/reinjury, the International Fall Efficacy Scale (FES-I) was used to measure the level of fear of falling, the Berg Balance Scale (BBS) was used to assess balance status, and the International Physical Activity Questionnaire (IPAQ) was used to assess all activities during the day.

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Purpose: This study investigated the respiratory response and isocapnic buffering (IB) phase during an incremental exercise test to exhaustion in 16 child soccer players (11.9±0.9 years) and 18 youth soccer players (18.

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The prevalence of many chronic noncommunicable diseases has been steadily rising over the past six decades. During this time, over 350,000 new chemical substances have been introduced to the lives of humans. In recent years, the epithelial barrier theory came to light explaining the growing prevalence and exacerbations of these diseases worldwide.

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Article Synopsis
  • The study investigated how nurses' attitudes toward evidence-based practices impact individualized nursing care using data from 200 clinical nurses.
  • The results showed that nurses had high scores in individualized care aspects, with a moderate positive correlation (r=0.50) between their attitudes towards evidence-based practices and individualized care.
  • The findings suggest that a positive attitude towards evidence-based practices enhances individualized nursing care and indicates that professional experience influences these attitudes.
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Objective: The aim of this study is to compare the relationship between molecular classification and HALP score in endometrial cancer (EC).

Methods: Patients who were operated with the diagnosis of EC 2014 and 2024 were included in our study. 150 patients were included in the study.

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