Publications by authors named "Celik N"

Unlabelled: Allan-Herndon-Dudley syndrome is a neurodevelopmental disorder characterized by motor and intellectual disabilities. Despite its rarity, there has been a rise in interest due to ongoing research and emerging therapy suggestions. In this multicenter, retrospective, cross-sectional study, the genetic characteristics and clinical data of twenty-one cases of genetically confirmed MCT8 deficiency were evaluated.

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Objectives: To determine the effects of hyperandrogenemia and other phenotypic parameters on endometrial vitamin D receptor (VDR-X2 and VDR-X4) expression in women with polycystic ovary syndrome (PCOS) undergoing ovarian stimulation and total embryo freezing.

Methods: Forty-four PCOS patients were divided into four phenotypes according to the criteria for hyperandrogenemia (HA), ovulatory dysfunction (OD), and polycystic ovary morphology (PCOM): phenotype A (HA+OD+PCOM), phenotype B (HA+OD), phenotype C (HA+PCOM), and phenotype D (OD+PCOM). Endometrial VDR expression was determined by real-time PCR and immunohistochemistry.

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Background: Candy cane (CC) syndrome is a complication that occurs following Roux-en-Y bypass (RYGB), implicated as a long, small-bowel blind limb at gastrojejunostomy possibly caused using circular staplers.

Objectives: We aimed to report our experience with CC resection and improving outcomes following RYGB.

Setting: University hospital.

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Objective: Management of type 1 diabetes (T1DM) is quite challenging for both adolescents and their families. In this study, we aimed to translate the 14-item Problem Areas in Diabetes-Teen (PAID-T) scale, which measures variables that influence diabetes distress, to Turkish and investigate the Turkish version's reliability and validity.

Methods: One hundred and ninety-four adolescents with T1DM participated in the study.

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Article Synopsis
  • - HITS-Bio is a new bioprinting system that allows for the rapid and efficient placement of multiple cell spheroids, achieving speeds ten times faster than current methods while maintaining high cell viability (>90%).
  • - It demonstrates significant applications, such as using microRNA-modified stem cell spheroids for nearly complete bone defect closure in rats after 3 to 6 weeks, showcasing its potential in regenerative medicine.
  • - The system also effectively fabricates large cartilage constructs with around 600 chondrogenic spheroids in under 40 minutes, emphasizing its scalability and efficiency for medical repairs.
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Objective: This study was conducted to investigate the effect of nurses' Machiavellian and deontic justice personality on the tendency to make medical errors. Additionally, conducted to investigate the other factors associated with nurses' tendency to make medical errors.

Methods: This cross-sectional study consisted of 345 nurses working in a state university medical faculty health application and research hospital, and data were collected using the Medical Error Tendency in Nursing Scale, the Machiavellian Personality Scale, and the Deontic Justice Scale.

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Objective: The aim of the study was to determine the expression pattern of long pentraxin 3 (PTX3) mRNA in cumulus cells (CCs) isolated from metaphase II oocytes of women with unilateral endometrioma undergoing controlled ovarian stimulation using a gonadotropin-releasing hormone antagonist (GnRHa) protocol.

Patients And Methods: A total of 60 CC samples, 30 from the affected ovary and 30 from the contralateral ovary, were collected from 12 patients with unilateral endometrioma who underwent flexible GnRHa protocol with recombinant human chorionic gonadotropin (rhCG) trigger. Thirty CC samples collected from the left ovary of 12 women with male factor infertility were used as external controls.

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To determine whether the urinary excretion of podocyte degradation products varies according to PCOS phenotype and metabolic syndrome (MetS). The concentrations of podocalyxin (PDX) and nephrin, chronic markers of podocyte damage, and neutrophil gelatinase-associated lipocalin (NGAL), a marker of acute glomerular damage, were analyzed in the morning urine samples of 50 PCOS patients and 50 healthy controls matched by age and BMI. Albuminuria was assessed by calculating the urine albumin-creatinine ratio (uACR).

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The reactions of monospirocyclotriphosphazenes ( and ) with -methyl-1,3-diaminopropane gave unsymmetrical -( and ) and -( and ) dispirocyclotriphosphazenes. Trans-cis-trans () ( and ), cis-cis-cis () ( and ), trans-trans-cis () ( and ), and cis-trans-trans () () trispirocyclotriphosphazenes were obtained from the reactions of and and and with -methyl-1,3-diaminopropane. -Dispirocyclotriphosphazenes ( and ) exist as "pseudomesoracemates", while -dispirocyclotriphosphazenes ( and ) are in "racemates".

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Purpose: Adipose tissue has an important endocrine function by secreting a variety of hormones known as adipokines, such as Visfatin, Omentin-1 and Chemerin. On the other hand, these hormones are also secreted from places other than fatty tissues in the girl's genital system. The goal of this study was to demonstrate the secretory status of adipokines in patients with central precocious puberty (CPP) and their utility in the diagnosis of precocious puberty.

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Objectives: Comparison of maxillary, mandibular, dental crown and root mineral density in human skeletons identified in historical excavations with today's human maxillary, mandibular dental crown and root.

Methods: After the skull images were obtained, four groups were created: maxilla 1, mandible 1 from the old period, maxilla 2 from the images taken from today's patients, and mandible 2 from the images taken from today's patients. Seventeen skeletons were previously classified as young age, middle age, and older age.

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Article Synopsis
  • Pheochromocytoma is a rare tumor that secretes catecholamines and can cause severe symptoms like high blood pressure, rapid heart rate, headaches, and sweating; timely diagnosis is crucial to prevent complications.
  • A case study of a 25-year-old woman showed she presented with hypertensive encephalopathy and acute coronary syndrome linked to pheochromocytoma, which was later confirmed via imaging and biochemical tests.
  • After targeted treatment and surgery to remove the tumor, the patient’s hypertension and symptoms fully resolved, underscoring the need to consider pheochromocytoma in cases of acute neurological and cardiac issues.
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Periprosthetic joint infection (PJI) is regarded as a critical factor contributing to the failure of primary and revision total joint arthroplasty (TJA). With the increasing prevalence of TJA, a significant increase in the incidence of PJI is expected. The escalating number of cases, along with the significant economic strain imposed on healthcare systems, place emphasis on the pressing need for development of effective strategies for prevention.

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Background: Partial adrenalectomy (PA) is increasingly used to treat benign tumors to lower the probability of adrenal insufficiency and reduce need for lifetime hormone replacement therapy. Currently, two major concerns are increased bleeding and non-functioning adrenal remnants. This paper examines these concerns and compares surgical approaches with novel findings.

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Article Synopsis
  • Isolated hypogonadotropic hypogonadism (HH) is linked to various molecular defects, with TCF12 identified as a new defect that can also serve as a cancer biomarker; its variants have recently been associated with HH in patients.
  • A 15-year-old female was referred for obesity and was found to have HH, along with an absence of menarche, anosmia, and thyroid abnormalities, including nodules that were later diagnosed as multicentric papillary thyroid carcinoma.
  • The study highlights that haploinsufficiency of the TCF12 gene is associated with anosmic HH and can result in diverse symptoms, such as intellectual disability and craniosynostosis, emphasizing the need for further research into
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Tissue biofabrication that replicates an organ-specific architecture and function requires physiologically-relevant cell densities. Bioprinting using spheroids has the potential to create constructs with native cell densities, but its application is limited due to the lack of practical, scalable techniques. This study presents HITS-Bio (High-throughput Integrated Tissue Fabrication System for Bioprinting), a novel multiarray spheroid bioprinting technology enabling scalable tissue fabrication by rapidly positioning a number of spheroids simultaneously using a digitally-controlled nozzle array (DCNA) platform.

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Objectives: We aimed to investigate the relationship between the presence of the accessory maxillary ostium (AMO) with mucosal thickening (MT) and maxillary sinus cysts (MSCs).

Study Design: This single-center retrospective study included patients who underwent paranasal sinus computed tomography (CT) between November 2022 and February 2023. We excluded patients with natural maxillary ostium (NMO) occlusion.

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Cell aggregates are widely used to study heterotypic cellular interactions during the development of vascularization . In this study, we examined heterotypic cellular spheroids made of adipose-derived stem cells and CD34/CD31 endothelial progenitor cells induced by the transfection of miR-148b mimic for induction of osteogenic differentiation and miR-210 mimic for induction of endotheliogenesis, respectively. The effect of the microRNA (miRs) mimic treatment group and induction time on codifferentiation was assessed in spheroids formed of transfected cells over the course of a 4-week culture.

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Article Synopsis
  • The study investigates the relationship between Familial Mediterranean fever (FMF), a severe inflammatory condition, and the risk of cancer development compared to other diseases like fibromyalgia, Still's disease, and Behçet's disease.
  • Results show that FMF patients have a significantly lower risk for malignancies compared to fibromyalgia patients, with a risk ratio (RR) of 0.26; however, this risk is less clear when comparing with the other conditions.
  • Factors influencing cancer risk in FMF patients include age at onset and diagnosis, frequency of disease attacks, and treatment with specific biotechnological agents.
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Inflammatory mechanisms have been implicated and have been subject to research in the clinical course of COVID-19 patients. In this study, platelet large cell ratio (P-LCR) has been examined as a novel prognostic and inflammatory parameter. A total of 1992 COVID-19-positive patients admitted to COVID-19 unit of Infectious Diseases were included.

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: Urinary incontinence diminishes quality of life, and its severity can be worsened by mobility impairments. This study explored the link between urinary incontinence, osteoarthritis, and back musculoskeletal system disorders, considering pain, mobility issues, and daily activity difficulties. : This cross-sectional study included respondents aged ≥ 15 years from the 2008 Turkish Health Studies Survey (n = 13,976).

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Article Synopsis
  • The linear ubiquitin assembly complex (LUBAC), made up of HOIP, HOIL-1, and SHARPIN, is crucial for immune responses, with deficiencies leading to severe issues like immunodeficiency and autoinflammation.
  • Two individuals with SHARPIN deficiency exhibited autoinflammatory symptoms but did not have the expected skin problems seen in other cases, and their cells showed reduced immune responses.
  • Treatment with anti-TNF therapies successfully resolved the autoinflammatory symptoms in one case, highlighting LUBAC's important role in managing immune cell death and maintaining immune balance in humans.
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Lung transplant recipients are at higher risk of developing COVID-19 infection compared to other solid organ transplants. The risk further increases in the unvaccinated patients. We present a case of a 43-year-old male who underwent bilateral sequential lung transplantation for pulmonary alveolar microlithiasis (PAM) and had an uneventful recovery.

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