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miR-17 in imatinib resistance and response to tyrosine kinase inhibitors in chronic myeloid leukemia cells

Fıratlıgil, Burcu; Biray Avcı, Çığır; Baran, Yusuf (Zerbinis Medical Publications, 2013-04)

In this study we examined the expression levels of miR-17 which possesses oncogenic activities through downregulation of CDKN1A, p21 and E2F1 tumor suppressor genes, in imatinib sensitive and resistant chronic myeloid ...

Nilotinib significantly induces apoptosis in imatinib resistant K562 cells with wild-type BCR-ABL, as effectively as in parental sensitive counterparts

Ekiz, Hüseyin Atakan; Can, Geylani; Gündüz, Ufuk; Baran, Yusuf (Taylor & Francis, 2010-02)

Chronic myeloid leukemia (CML) is a hematological malignancy characterized by high levels of immature white blood cells. CML is caused by the translocation between chromosomes 9 and 22 (which results in the formation of ...

Multidrug resistance in chronic myeloid leukemia

Ünlü, Miray; Kiraz, Yağmur; Kacı, Fatma Necmiye; Özcan, Mehmet Ali; Baran, Yusuf (TÜBİTAK, 2014)

Chronic 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 ...

Sphingosine kinase-1 and sphingosine 1-phosphate receptor 2 mediate Bcr-Abl1 stability and drug resistance by modulation of protein phosphatase 2A

Salas, Arelis; Ponnusamy, Suriyan; Senkal, Can E.; Meyers-Needham, Marisa; Selvam, Shanmugam Panneer; Saddoughi, Sahar A.; Apohan, Elif; Sentelle, R. David; Smith, Charles; Gault, Christopher R.; Obeid, Lina M.; El-Shewy, Hesham M.; Oaks, Joshua; Santhanam, Ramasamy; Marcucci, Guido; Baran, Yusuf; Mahajan, Sandeep; Fernandes, Daniel; Stuart, Robert; Perrotti, Danilo; Öğretmen, Besim (American Society of Hematology, 2011-06)

The mechanisms by which sphingosine kinase-1 (SK-1)/sphingosine 1-phosphate (S1P) activation contributes to imatinib resistance in chronic myeloid leukemia (CML) are unknown. We show herein that increased SK-1/S1P enhances ...