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BÜYÜKPINARBAŞILI, NUR

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Kurumdan Ayrılmıştır

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BÜYÜKPINARBAŞILI

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Now showing 1 - 4 of 4
  • Publication
    A Six Sigma Trial For Reduction of Error Rates in Pathology Laboratory
    (2016-09-01) TURNA, Seval; Tosuner, ZEYNEP; Gucin, ZÜHAL; Kiran, TUĞÇE; Buyukpinarbasili, NUR; TASKIRAN, Olcay; Arici, DİLEK SEMA; TOSUNER, ZEYNEP; GÜCİN, ZÜHAL; KIRAN, TUĞÇE; BÜYÜKPINARBAŞILI, NUR; TURNA, SEVAL; ARICI, DILEK SEMA
    Objective: The aim of this study is to determine differences of levels of empathy among undergraduates in each year of their four-year programs of physiotherapy. Methods: During the 2014-2015 academic school year, 381 physiotherapy students were enlisted from two universities in Istanbul, one a foundation and the other a government university. The Turkish version of the Jefferson Scale of Physician Empathy was administered. Students were asked to indicate interest in particular physiotherapy specialties as well as their region of origin in Turkey. The Kruskal-Wallis analysis was used to determine differences among the four study years, and also to measure relationships between specialty interest, home-region, and empathy scores of the students. Empathy scores were also compared according to gender. Results: The difference of empathy scores between the students of the two universities was borderline significant (p=0.057). Empathy scores in both universities increased to a significant degree after school entrance and decreased in the final year. Levels of empathy did not change according to gender, specialty interest, or home-region (p=0.722, 0.524, and 0.309, respectively). Conclusions: This study points to the need for physiotherapy curricula that would enhance empathy and give students practice in exhibiting this valuable attribute. Additional studies are needed that would include larger study populations and track the same students year by year as to how and why their empathy levels change during their training.
  • Publication
    p53 expression and relationship with MDM2 amplification in breast carcinomas
    (2016-04-01) Buyukpinarbasili, NUR; Gucin, ZÜHAL; Ersoy, YELİZ EMİNE; ILBAK, Ayca; Kadioglu, HÜSEYİN; Muslumanoglu, Mahmut; BÜYÜKPINARBAŞILI, NUR; GÜCİN, ZÜHAL; ERSOY, YELIZ EMINE; KADIOĞLU, HÜSEYİN
    Carcinoma of the breast, like other malignancies, is a genetic disease with multiple genetic events leading to the malignant phenotype. p53 mutations are the most common genetic events in human cancer. Inactivation of p53 can be a result of mutation in gene sequence. One of the main structures that regulate p53 stabilization is MDM2. It suppresses p53 transcriptional activation by recognizing transactivation domain of p53. The loss of MDM2 function on p53 regulation results in deprivation of p53 tumor suppressor ability. Single nucleotide polymorphisms (SNP309 T->G exchange) or MDM2 amplification has been proposed to play a role in this issue. In the present study, our aim is to analyze p53 and MDM2 status and investigate their interactions in human sporadic breast carcinoma. The study groups were separated according to their molecular classifications. In each group, histologic type of the tumor, conventional prognostic parameters, p53, and MDM2 interactions were compared statistically. Tumors are divided into 4 subtypes due to estrogen and progesterone receptor status, HER-2, and Ki-67 proliferation index results. According to this classification, 23 cases are in the luminal A, 32 cases are in the luminal B, 15 cases are in the HER-2 positive, and 22 cases are in the triple-negative group, with a total of 92 cases. p53 expression is low in luminal breast carcinomas than HER-2 and triple-negative subtypes. MDM2 amplification frequency was found to be 5.4% in total. MDM2 gene amplification does not have a significant role in breast carcinogenesis, but other possible mechanisms may play a role in its inactivation. (C) 2016 Elsevier Inc. All rights reserved.
  • Publication
    Estrogen Receptor Positive/Progesterone Receptor Negative Breast Carcinomas: A Subgroup Deserves Particular Interest
    (2015-08-01) Gucin, ZÜHAL; GECER, Melin Ozgun; Buyukpinarbasili, NUR; SONMEZ, Cavide; Ersoy, YELİZ EMİNE; MUSLUMANOGLU, Mahmut; GÜCİN, ZÜHAL; BÜYÜKPINARBAŞILI, NUR; ERSOY, YELIZ EMINE
    Objective: Breast carcinomas positive for the estrogen receptor (ER+) but negative for the progesterone receptor (PR−) have unfavorable prognostic features and are resistant to tamoxifen therapy. The goal of this study was to highlight the significance of PR− breast carcinomas. Methods: Therefore, 146 breast carcinomas comprising 87 ER+/PR+ and 59 ER+/PR− carcinomas were examined. These two groups were compared in terms of age; tumor type; tumor size; histologic grade; presence of an in situ component; lymphovascular and perineural invasion; and ER, PR, c-Erb B2, Ki-67, and epidermal growth factor receptor (EGFR) status. Results: While the number of metastatic lymph node and related pN2+pN3 tumors were found to be significantly higher in the ER+/ PR− group, the differences with respect to the tumor size, metastatic lymph node size, and frequency of lymphovascular invasion were nearly significant. Conclusion: ER+/PR− tumors have an unfavorable prognosis and show a clinical behavior closer to triple negative ones, although classified as luminal tumors. Revealing the mechanisms causing these differences will enhance the success of breast cancer therapy.
  • Publication
    General Overview of Renal Cell Carcinoma with the Evaluation of our cases
    (2015-12-01) Yildiz, PELİN; Sonmez, FATMA CAVİDE; Buyukpinarbasili, NUR; Gucin, ZÜHAL; Arici, DİLEK SEMA; KOCAKOC, Ercan; Akcay, MUZAFFER; YILDIZ, PELİN; SÖNMEZ, FATMA CAVİDE; BÜYÜKPINARBAŞILI, NUR; GÜCİN, ZÜHAL; ARICI, DILEK SEMA; AKÇAY, MUZAFFER
    Objective: Renal cell carcinoma (RCC) is the 14th most common tumor in the world. In 2010, the protocol for the examination of kidney specimens with invasive carcinoma of renal tubular origin was updated. The aim of our study was to review 1-year RCC patients of our hospital according to the new protocol, classification, and staging systems with respect to their morphological and immunohistochemical features.. Methods: The medical records of 54 RCC patients between July 2012 and July 2013 were retrospectively reviewed. They were classified according to the WHO 2004 classification system and newly defined subtypes. The following variables were determined in each case: age, sex, histological subtype, stage, and Fuhrman nuclear grade. Results: In our study, 30 (55.6%) men and 24 (44.4%) women were diagnosed with RCC out of 54 patients. The median age was 56 years. In total, 21 patients had (55.2%) right-and 17 had (44.74%) left-sided tumors. Thirty-eight (70.3%) clear cell, 6 (11.1%) papillary, 7 (12.96%) chromophobe, 1 (1.85%) multilocular, 1 (1.85%) unclassified, and 1 (1.85%) tubulocystic RCC were seen. According to primary tumor, 33 (61.1%) pT1, 10 (18.51%) pT2, 9 (16.66%) pT3, and 2 (3.70%) pT4 patients were reported. Chromophobe RCCs were excluded from the Fuhrman grading (G) system; of the remaining 2 (4.17%) were G1, 30 (62.5%) were G2, 13 (27.08%) were G3, and 3 (6.25%) were G4 tumors. Conclusion: Although RCC constitutes the majority of renal tumors, different subtypes are also encountered. In our study, clear cell RCCs were the most common type of tumors consistent with the literature. The remarkable point was that chromophobe RCCs were more frequent in our study. Because of infrequency, more examples are required to distinguish newly defined subtypes.