Ünlü, Miray
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Unlu, Miray
Unlu, M
Ünlü, M
Ünlü, M.
Unlu, M
Ünlü, M
Ünlü, M.
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04.03. Department of Molecular Biology and Genetics
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Former Staff
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Sustainable Development Goals
1NO POVERTY
0
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2ZERO HUNGER
0
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3GOOD HEALTH AND WELL-BEING
4
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4QUALITY EDUCATION
0
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5GENDER EQUALITY
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6CLEAN WATER AND SANITATION
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7AFFORDABLE AND CLEAN ENERGY
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8DECENT WORK AND ECONOMIC GROWTH
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9INDUSTRY, INNOVATION AND INFRASTRUCTURE
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10REDUCED INEQUALITIES
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11SUSTAINABLE CITIES AND COMMUNITIES
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12RESPONSIBLE CONSUMPTION AND PRODUCTION
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13CLIMATE ACTION
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14LIFE BELOW WATER
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15LIFE ON LAND
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16PEACE, JUSTICE AND STRONG INSTITUTIONS
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17PARTNERSHIPS FOR THE GOALS
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Documents
14
Citations
262
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6
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Scholarly Output
6
Articles
4
Views / Downloads
5824/2818
Supervised MSc Theses
0
Supervised PhD Theses
0
WoS Citation Count
159
Scopus Citation Count
191
Patents
0
Projects
0
WoS Citations per Publication
26.50
Scopus Citations per Publication
31.83
Open Access Source
6
Supervised Theses
0
| Journal | Count |
|---|---|
| Anticancer Research | 1 |
| Archives of Medical Research | 1 |
| Cellular Oncology | 1 |
| Haematologica | 1 |
| Pathology and Oncology Research | 1 |
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6 results
Scholarly Output Search Results
Now showing 1 - 6 of 6
Article Citation - WoS: 8Citation - Scopus: 8Multidrug Resistance in Chronic Myeloid Leukemia(TÜBİTAK, 2014) Ünlü, Miray; Kiraz, Yağmur; Kacı, Fatma Necmiye; Özcan, Mehmet Ali; Baran, YusufChronic myeloid leukemia (CML) is characterized by the accumulation of Philadelphia chromosome-positive (Ph+) myeloid cells. Ph+ cells occur via a reciprocal translocation between the long arms of chromosomes 9 and 22 resulting in constitutively active Bcr-abl fusion protein. Tyrosine kinase inhibitors (TKIs) are used against the kinase activity of Bcr-abl fusion protein for the effective treatment of CML. However, the development of drug resistance, directed by different genetic mechanisms, is the major problem of clinical applications of TKIs. These mechanisms include mutations in the TKI binding site of Bcr-abl, overexpression of Bcr-abl, overexpression of ATP binding cassette transporters, aberrant ceramide metabolism, inhibition of apoptosis, and changes in expression levels of microRNAs. Recently, many studies have focused on understanding the molecular mechanisms of drug resistance in cancer while targeting therapies providing reversal of resistance. Cancer stem cells also have roles in tumor initiation, maintenance, progression, metastasis, and drug resistance. Uncovering the mechanisms of drug resistance can provide more efficient treatment of cancer since these findings may provide novel targets for a complete cure. In this review, we discuss recent findings on the mechanisms of multidrug resistance and its reversal in CML. © TÜBİTAK.Article Citation - WoS: 56Citation - Scopus: 66Molecular Mechanisms of Quercitrin-Induced Apoptosis in Non-Small Cell Lung Cancer(Elsevier Ltd., 2014) Çinçin, Zeynep Birsu; Ünlü, Miray; Kıran, Bayram; Bireller, Elif Sinem; Baran, Yusuf; Çakmakoğlu, BediaBackground and Aims: Quercitrin (QR; quercetin-3-O-rhamnoside) has been used previously as an antibacterial agent and has been shown to inhibit the oxidation of low-density lipoproteins and prevent an allergic reaction. Furthermore, it was demonstrated that quercitrin exerts protective effects against H2O2-induced dysfunction in lung fibroblast cells. However, the mechanisms of quercitrin effects on cancer cell proliferation and apoptosis is not well understood. The aim of this study is to investigate the cytotoxic and apoptotic effects of quercitrin and the molecular mechanisms of quercitrin-induced apoptosis in non-small cell lung cancer (NSCLC) cell lines. Methods: Time- and dose-dependent antiproliferative and apoptotic effects of quercitrin determined by WST-1cell proliferation assay, lactate dehydrogenase (LDH) cytotoxicity assay, determination of nucleosome enrichment factor, changes in caspase-3 activity, loss of mitochondrial membrane potential (MMP) and also the localization of phosphatidylserine in the plasma membrane. Changes in whole genome gene expression levels were examined by Illumina Human HT-12v4 beadchip microarrays. Results: There were significant increases in caspase-3 activity, loss of MMP, and increases in apoptotic cell population in response to quercitrin in A549 and NCI-H358 NSCLC cells in a time- and dose-dependent manner. Conclusion: Our results demonstrated that genes involved in leukocyte transendothelial migration, cell adhesion and phosphatidylinositol signaling system pathways were the most statistically significant pathways in NCI-H358 and A549cells. These results revealed that quercitrin has antiproliferative and apoptotic effects on lung cancer cells by modulating the immune response. After confirming its anticarcinogenic effects invivo, quercitrin could be a novel and strong anticancer agent against NSCLC.Article Citation - WoS: 33Citation - Scopus: 37Apoptotic Effects of Quercitrin on Dld-1 Colon Cancer Cell Line(Springer Verlag, 2014) Çinçin, Zeynep Birsu; Ünlü, Miray; Kıran, Bayram; Bireller, Elif Sinem; Baran, Yusuf; Çakmakoğlu, BediaQuercetin, which is the most abundant bioflavonoid compound, is mainly present in the glycoside form of quercitrin. Although different studies indicated that quercitrin is a potent antioxidant, the action of this compound is not well understood. In this study, we investigated whether quercitrin has apoptotic and antiproliferative effects in DLD-1 colon cancer cell lines. Time and dose dependent antiproliferative and apoptotic effects of quercitrin were subsequently determined by WST-1 cell proliferation assay, lactate dehydrogenase (LDH) cytotoxicity assay, detection of nucleosome enrichment factor, changes in caspase-3 activity, loss of mitochondrial membrane potential (MMP) and also the localization of phosphatidylserine (PS) in the plasma membrane. There were significant increases in caspase-3 activity, loss of MMP, and increases in the apoptotic cell population in response to quercitrin in DLD-1 colon cancer cells in a time- and dose-dependent manner. These results revealed that quercitrin has antiproliferative and apoptotic effects on colon cancer cells. Quercitrin activity supported with in vivo analyses could be a biomarker candicate for early colorectal carcinoma.Conference Object Effects of Hesperidin on Non-Small Cell Lung Cancer Cells(International Institute of Anticancer Research, 2014) Bireller, Elif Sinem; Cincin, Zeynep Birsu; Ünlü, Miray; Kıran, Bayram; Baran, Yusuf; Çakmakoğlu, BediaBackground: Hesperidin, a glycoside flavonoid that is found in citrus fruits, and the mechanisms of hesperidin-induced apoptosis are not well understood. In this study, we aimed to investigate the cytotoxic and apoptotic aspect of hesperidin induction in lung cancer.Conference Object Antiproliferative and Apoptotic Effects of Resveratrol on Chronic Lymphocytic Leukemia Cells(Ferrata Storti Foundation, 2012) Baran, Yusuf; Gökbulut, Aysun; Özcan, Mehmet Ali; Pişkin, Özden; Ünlü, Miray[No abstract available]Article Citation - WoS: 62Citation - Scopus: 80Anti-Proliferative, Apoptotic and Signal Transduction Effects of Hesperidin in Non-Small Cell Lung Cancer Cells(Springer Verlag, 2015) Çinçin, Zeynep Birsu; Ünlü, Miray; Kıran, Bayram; Bireller, Elif Sinem; Baran, Yusuf; Çakmakoğlu, BediaPurpose: Hesperidin, a glycoside flavonoid, is thought to act as an anti-cancer agent, since it has been found to exhibit both pro-apoptotic and anti-proliferative effects in several cancer cell types. The mechanisms underlying hesperidin-induced growth arrest and apoptosis are, however, not well understood. Here, we aimed to investigate the anti-proliferative and apoptotic effects of hesperidin on non-small cell lung cancer (NSCLC) cells and to investigate the mechanisms involved. Methods: The anti-proliferative and apoptotic effects of hesperidin on two NSCLC-derived cell lines, A549 and NCI-H358, were determined using a WST-1 colorimetric assay, a LDH cytotoxicity assay, a Cell Death Detection assay, an AnnexinV-FITC assay, a caspase-3 assay and a JC-1 assay, respectively, all in a time- and dose-dependent manner. As a control, non-cancerous MRC-5 lung fibroblasts were included. Changes in whole genome gene expression profiles were assessed using an Illumina Human HT-12v4 beadchip microarray platform, and subsequent data analyses were performed using an Illumina Genome Studio and Ingenuity Pathway Analyser (IPA). Results: We found that after hesperidin treatment, A549 and NCI-H358 cells exhibited decreasing cell proliferation and increasing caspase-3 and other apoptosis-related activities, in conjunction with decreasing mitochondrial membrane potential activities, in a dose- and time-dependent manner. Through a GO analysis, by which changes in gene expression profiles were compared, we found that the FGF and NF-κB signal transduction pathways were most significantly affected in the hesperidin treated NCI-H358 and A549 NSCLC cells. Conclusions: Our results indicate that hesperidin elicits an in vitro growth inhibitory effect on NSCLC cells by modulating immune response-related pathways that affect apoptosis. When confirmed in vivo, hesperidin may serve as a novel anti-proliferative agent for non-small cell lung cancer.