Publications by authors named "Unlu B"

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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Background: Despite improvements in therapy, breast cancer still contributes to high mortality rates. Survival of these patients becomes progressively worse upon diagnosis with cancer-associated thrombosis (CAT). Unfortunately, the mechanism causing CAT has remained unclear.

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Article Synopsis
  • Cancer increases the risk of venous thromboembolism, particularly in glioblastoma cases, highlighting the need for new models to study this issue at a molecular level.
  • A novel cancer-on-a-chip model was created to analyze how glioblastoma cells affect blood coagulation by co-culturing glioblastoma spheroids with endothelial cells.
  • Results showed that glioblastoma cells significantly heightened blood coagulation, and using anticoagulant drugs like rivaroxaban effectively reduced this coagulation in the model, suggesting its potential for discovering new anticoagulant therapies for glioblastoma and similar cancers.
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Acute zonal occult outer retinopathy (AZOOR) manifests as the rapid loss of one or multiple large zones of the outer retinal layers, often with a distinct sectoral distribution. Subtle fundus changes, such as pigmentary alterations around the optic nerve, are typically present in the early stages. Disease progression is characterized by the appearance of well-defined atrophic zones involving the outer retina, retinal pigment epithelium, and choroid.

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The University of North Carolina Symposia on Hemostasis began in 2002, with The First Symposium on Hemostasis with a Special Focus on FVIIa and Tissue Factor. They have occurred biannually since and have maintained the primary goal of establishing a forum for the sharing of outstanding advances made in the basic sciences of hemostasis. The 2024 11th Symposium on Hemostasis will bring together leading scientists from around the globe to present and discuss the latest research related to coagulation factors and platelet biology.

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Purpose: This study aims to compare the clinicopathological and prognostic features of women aged 40 years and younger and 65 years and older with breast cancer.

Methods: Between January 2011 and December 2021, 136 female cases aged 40 years and younger and 223 female cases aged 65 and over were identified among all cases (1395 cases) registered as breast cancer in the file archives of Afyonkarahisar Health Sciences University Faculty of Medicine, Department of Medical Oncology for the study. A Chi-square (× 2) test was used for categorical variables, and an independent sample t-test for continuous variables.

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Novel biomarkers are needed to improve current imperfect risk prediction models for cancer-associated thrombosis (CAT). We recently identified an RNA-sequencing profile that associates with CAT in colorectal cancer (CRC) patients, with REG4, SPINK4, and SERPINA1 as the top-3 upregulated genes at mRNA level. In the current study, we investigated whether protein expression of REG4, SPINK4 and alpha-1 antitrypsin (A1AT, encoded by SERPINA1) in the tumor associated with CAT in an independent cohort of CRC patients.

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The effect of aluminum (Al) concentration on the surface plasmon resonance (SPR) band position of aluminum/polyvinylpyrrolidone (Al/PVP) composite nanofibers was investigated to strengthen nonlinear absorption (NLA) and widen its spectral range. With increasing Al content in PVP nanofibers, the SPR band was shifted towards excitation wavelength and an improved NLA response was achieved. The NLA response was examined both experimentally, by conducting -scan experiments, and theoretically, using two models.

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Background: Genetic suppression occurs when the deleterious effects of a primary "query" mutation, such as a disease-causing mutation, are rescued by a suppressor mutation elsewhere in the genome.

Methods: To capture existing knowledge on suppression relationships between human genes, we examined 2,400 published papers for potential interactions identified through either genetic modification of cultured human cells or through association studies in patients.

Results: The resulting network encompassed 476 unique suppression interactions covering a wide spectrum of diseases and biological functions.

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BODIPY dyes substituted by phenol or -COOMe units at the meso-position (C8) with and without a distyryl group including a methoxy moiety at the -C3 and -C5 positions of the BODIPY have been synthesized to analyze the photophysical properties. To clarify the ground-state interaction, absorption and emission features were investigated in the THF environment. Extending the π-conjugation with the methoxy moiety at -C3 and -C5 positions of BODIPY leads to a spectral shifting of the absorption maxima toward red by 120 nm.

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Cancer enhances the risk of venous thromboembolism, but a hypercoagulant microenvironment also promotes cancer progression. Although anticoagulants have been suggested as a potential anticancer treatment, clinical studies on the effect of such modalities on cancer progression have not yet been successful for unknown reasons. In normal physiology, complex formation between the subendothelial-expressed tissue factor (TF) and the blood-borne liver-derived factor VII (FVII) results in induction of the extrinsic coagulation cascade and intracellular signaling via protease-activated receptors (PARs).

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Local coagulation activation has been shown to impact both primary tumor growth and metastasis in mice. It is well known that components of the blood clotting cascade such as tissue factor and thrombin play a role in tumor progression by activating cellular receptors and local formation of fibrin. However, whether venous thromboembolism (VTE) or a hypercoagulable state has a direct impact on cancer progression is unknown.

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Background: There is a lack of empirical evidence on the level of cultural adaptation required for psychological interventions developed in Western, Educated, Industrialized, Rich, and Democratic (WEIRD) societies to be effective for the treatment of common mental disorders among culturally and ethnically diverse groups. This lack of evidence is partly due to insufficient documentation of cultural adaptation in psychological trials. Standardised documentation is needed in order to enhance empirical and meta-analytic evidence.

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Tissue Factor (TF) is the initiator of blood coagulation but also functions as a signal transduction receptor. TF expression in breast cancer is associated with higher tumor grade, metastasis and poor survival. The role of TF signaling on the early phases of metastasis has never been addressed.

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Article Synopsis
  • Colorectal cancer patients have a higher risk of developing venous thromboembolism (VTE), leading to more health complications and higher death rates, prompting the need for better risk assessment methods.
  • The study examined tumor-expressed microRNAs (miRNAs) in a group of colorectal cancer patients to find potential biomarkers associated with VTE, involving 17 patients with VTE and 18 without, using advanced sequencing techniques.
  • The researchers identified 19 miRNAs that were significantly regulated in patients with VTE, suggesting potential new biomarkers that could help predict VTE risk in colorectal cancer patients in the future.
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Systemic sclerosis (SSc) is a rare disease with a prevalence ranging from 7 to 700 cases per million. Like with most autoimmune diseases, both environmental and genetic factors are involved in the pathogenesis of the SSc. Though the incidence of SSc in the family members of those affected and the concordance rate in twins is very low, inheritance is still the strongest risk factor of SSc.

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Lupus erythematosus (LE) is a heterogeneous disease with a wide range of manifestations ranging from localized lesions in cutaneous lupus erythematosus (CLE) to severe disseminated disease in systemic lupus erythematosus (SLE).Lupus results from a complex interaction between genetic and epigenetic backgrounds and environmental triggers that cause loss of tolerance to self-antigens and the formation of autoantibodies. Genetic susceptibility plays a key role in the pathogenesis of lupus erythematosus.

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Severe Acute Respiratory Syndrome (SARS) is caused by different SARS viruses. In 2020, novel coronavirus (SARS-CoV-2) led to an ongoing pandemic, known as "Coronavirus Disease 2019 (COVID-19)". The disease can spread among individuals through direct (via saliva, respiratory secretions, or secretion droplets) or indirect (through contaminated objects or surfaces) contact.

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Background: Immunosuppressive therapy has been a great concern during the pandemic. This study aimed to evaluate the pandemic's impact on psoriasis patients treated with immunosuppressive drugs.

Material And Methods: The multicenter study was conducted in 14 tertiary dermatology centers.

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Background: Internet cognitive behavioural therapy (iCBT) is a viable delivery format of CBT for depression. However, iCBT programmes include training in a wide array of cognitive and behavioural skills via different delivery methods, and it remains unclear which of these components are more efficacious and for whom.

Methods: We did a systematic review and individual participant data component network meta-analysis (cNMA) of iCBT trials for depression.

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  • The study aimed to determine the effectiveness of platelet-rich plasma (PRP) injections in treating adhesive capsulitis of the shoulder through a randomized controlled trial involving 32 adult patients.
  • Patients were divided into two groups: one received PRP injections, while the other received saline, alongside a standardized exercise program.
  • Results indicated that the PRP group experienced significantly greater improvements in shoulder pain and mobility compared to the control group, suggesting PRP as a viable treatment option for adhesive capsulitis.
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Background/aims: Alopecia areata (AA) is considered an organ-specific autoimmune disease of hair follicles. Adipose tissue plays a role in lipid metabolism and glucose metabolism and secretes adipokines such as leptin and adiponectin. Dysregulation in the adipokine balance may be associated with metabolic syndrome.

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Burch urethropexy is one of the earliest and most effective surgeries for stress urinary incontinence. Minimally invasive robotic surgery is becoming more popular in the field of urogynecology. Herein, we present the safety and efficacy of a large case series of robotic-assisted Burch urethropexy.

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The study aimed to analyse the anatomical, perioperative and postoperative outcomes of the robotic-assisted sacrocolpopexy (RSCP). After obtaining Institutional Review Board (IRB #19-0167) approval, our retrospective case series included 144 consecutive patients that underwent an RSCP for symptomatic stage II pelvic organ prolapse (POP) or symptomatic/asymptomatic stage III/IV POP. Patient information included operative parameters, perioperative and postoperative complications, readmissions and reoperation.

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Article Synopsis
  • This study aimed to evaluate the effectiveness of platelet-rich plasma (PRP) injections compared to a saline placebo on pain and functionality in patients with hemiplegic shoulder pain through a randomized, double-blind trial.
  • A total of 44 hemiplegic patients received either PRP or saline injections over three weeks, and outcomes were measured at various points over three months.
  • Results showed improvements in both groups without significant differences between them, indicating that PRP may not be a superior treatment and that rehabilitation techniques likely contributed to the observed benefits.
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