Publications by authors named "Ufuk Berber"

Aberrant expression of human leukocyte antigen G (HLA-G), an immunosuppressive molecule, has been observed in various cancer types. The exact mechanism of HLA-G expression is unclear. HLA-G expression is associated with low expression levels of microRNA (miR)-148a and miR-152.

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Objective: To analyze the contribution of multiparametric MRI and PCA3 assay, predecision of initial biopsy in PSA level between 3-10 ng/mL patients with normal digital rectal examination(DRE).

Materials And Methods: PSA level 3-10 ng/mL, patients, with normal DRE results and no previous prostate biopsy history, were included in this study. Each patient underwent multiparametric MRI one week before biopsy.

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Objective: Our aim was to evaluate and determine the frequency of Transmembrane protease, serine 2 (TMPRSS2)-ERG fusion in Turkish patients with clinically localized prostate cancer by using immunohistochemistry and reveal its relationship with clinicopathologic variables.

Material And Methods: Radical prostatectomy specimens of 99 patients, who underwent radical retropubic prostatectomy for localized cancer, between January 2002 and December 2011 were analyzed in the study. To detect ERG fusions, monoclonal ERG antibodyclone ID: EPR3864 (Epitomics, San Diego, CA, USA) and monoclonal anti-ERG antibody (9FY) (BiocareMedical, LLC, USA) were used.

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Malignant blue nevi (MBN) are extremely rare dermal melanocytic tumors that arise in association with atypical cellular blue nevi (ACBN), cellular blue nevi (CBN), common blue nevi (BN), or de novo. The frequency of BRAF, NRAS, and KIT mutations in malignant melanoma varies according to histological subtype and localization. These mutations are rarely observed in blue nevi, which have recently been shown to carry activating mutations in GNAQ/GNA11 genes.

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Background: KIT and mitogen-activated protein kinase cascade are important for melanomagenesis. In the present study, we analyzed the frequency of BRAF, NRAS, KIT, GNAQ and GNA11 gene mutations and investigated their association with clinicopathological features of melanomas in Turkish population.

Materials And Methods: Forty-seven primary cutaneous melanomas were included in our study.

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Background: There are increasing data about microRNAs (miRNA) in the literature, providing abundant evidence that they play important roles in pathogenesis and development of colorectal cancer. In this study, we aimed to investigate the miRNA expression profiles in surgically resected specimens of patients with recurrent and non-recurrent colorectal cancer.

Materials And Methods: The study population included 40 patients with stage II colorectal cancer (20 patients with recurrent tumors, and 20 sex and age matched patients without recurrence), who underwent curative colectomy between 2004 and 2011 without adjuvant therapy.

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Purpose: We examined expression profiles of 16 micro RNAs (miRNAs) in triple negative breast cancers to identify their potential as biomarkers for lymph node metastasis.

Methods: The expression profiles of miR-9, miR-21, miR-30a, miR-30d, miR-31, miR-34a, miR-34c, miR-100, miR-122, miR-125b, miR-146a, miR-146b, miR-155, miR-181a, miR-200c, and miR-205 were examined by using real-time quantitative reverse transcription polymerase chain reaction in tumor samples and corresponding benign breast tissues. Their associations with histopathological features and prognostic parameters were assessed.

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Objective: Acute pancreatitis continues to be associated with significant rates of mortality and morbidity, and therapeutic options are still very limited. We aimed to investigate the efficacy of trimetazidine on cerulein-induced pancreatic apoptosis and histopathological and biochemistrical consequences of acute pancreatitis.

Methods: Thirty-two Wistar albino rats were randomized into four groups (group 1: control group; group 2: acute pancreatitis group; group 3: acute pancreatitis and trimetazidine treatment group; group 4: placebo group).

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Aim: Acute pancreatitis (AP) is defined as an inflammatory disease of the pancreas. The purpose of this study was to examine the effectiveness of Anakinra on cerulein-induced experimental pancreatitis rat model by using the results of biochemical and histopathological findings.

Materials And Methods: Cerulein was administered to induce AP in rats.

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Objective: Although trophoblastic invasion has a critical role in human placental development, very little is known about them. The aim of the present study was to localise the expression of P-cadherin (cadherin-3) and E-selectin in first trimester placenta.

Material And Methods: This study was conducted on 140 patients who had applied to Gülhane Military Medical Academy, Haydarpaşa Education Hospital, Department of Obstetrics and Gynaecology between 2005 and 2006.

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Matrix metalloproteinase (MMP) plays a pivotal role in the pathophysiology of abdominal aortic aneurysms (AAA). Experimental studies have demonstrated that hyperbaric oxygen (HBO2) therapy decreases MMP levels in different tissues. However, the effect of HBO2 therapy on AAA has yet to be investigated.

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Background: Tularemia is a disease caused by a Gram-negative coccobacillus Francisella tularensis. This bacterium may cause different types of clinical pictures owing to acquisition route and entrance site, such as ulceroglandular, oropharyngeal, glandular, pneumonic, typhoid and ocular forms. Oropharyngeal tularemia (OPT) is the most common form of tularemia in some regions.

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We aimed to investigate bladder cancer risk with reference to polymorphic variants of cytochrome p450 (CYP) 1A1, CYP1B1, glutathione S-transferase (GST) M1, and GSTT1 genes in a case control study. Polymorphisms were examined in 114 bladder cancer patients and 114 age and sex-matched cancer-free subjects. Genotypes were determined using allele specific PCR for CYP1A1 and CYP1B1 genes, and by multiplex PCR and melting curve analysis for GSTM1 and GSTT1 genes.

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Angiomyolipomas are benign, solitary, noninvasive mesenchymal tumors. They most often arise in the kidney. Extrarenal presentations of these tumors are in skin, orophaynx, abdominal wall, gastrointestinal tract, heart, lung, liver, uterus, penis, and spinal cord.

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Aim: The intraneural fibro-lipoma is a benign, uncommon tumor which is characterised with infiltration of the epineurium and perineurium by fibrofatty tissue. The preoperative diagnosis is difficult. However, the Pressure-Specified Sensory Device (PSSD) may support identifying the earliest stages of intraneural fibro-lipoma when traditional electrodiagnostic testing will not be able to detect a change in peripheral nerve function.

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Article Synopsis
  • This study looked at how different ways of giving a medicine called glucocorticoids affect nasal polyps, which are growths in the nose.
  • They compared four groups of 12 patients each, where some got the medicine in different ways and one group got no treatment at all.
  • The results showed that the patients who got the glucocorticoids had more cell death in their nasal polyps than those who didn't, with the medicine taken by mouth causing the most cell death.
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We report the case of a 24-year-old male patient admitted for recent ascites and splenomegaly of unknown origin. The patient was referred to our institution with complaints of diarrhea, epigastric pain, abdominal cramping and weight loss over the past three weeks. The acute onset presented with colicky abdominal pain and peritoneal effusion.

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An anterior cervical decompression and fusion operation was complicated by extensive bleeding from the disc space. Histopathological evaluation of the resected specimen revealed the diagnosis as the very first reported case of capillary hemangioma in intervertebral disc space. Retrospective review of the preoperative MRI demonstrated supporting findings of a capillary hemangioma within the cervical intervertebral disc.

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