Molecular Biology and Genetics / Moleküler Biyoloji ve Genetik

Permanent URI for this collectionhttps://hdl.handle.net/11147/9

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Institution Author: search.filters.institutionAuthor.Baran, YusufSubject: search.filters.subject.MicroRNAs

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  • Article
    Citation - WoS: 28
    Citation - Scopus: 29
    Revealing Genome-Wide Mrna and Microrna Expression Patterns in Leukemic Cells Highlighted “hsa-Mir as a Tumor Suppressor for Regain of Chemotherapeutic Imatinib Response Due To Targeting Stat5a
    (SAGE Publications Inc., 2015) Tezcanlı Kaymaz, Burçin; Selvi Günel, Nur; Ceyhan, Metin; Bozok Çetintaş, Vildan; Özel, Buket; Kartal Yandım, Melis; Kıpçak, Sezgi; Aktan, Çağdaş; Adan Gökbulut, Aysun; Baran, Yusuf; Kosova Can, Buket
    BCR-ABL oncoprotein stimulates cell proliferation and inhibits apoptosis in chronic myeloid leukemia (CML). For cure, imatinib is a widely used tyrosine kinase inhibitor, but developing chemotherapeutic resistance has to be overcome. In this study, we aimed to determine differing genome-wide microRNA (miRNA) and messenger RNA (mRNA) expression profiles in imatinib resistant (K562/IMA-3 μM) and parental cells by targeting STAT5A via small interfering RNA (siRNA) applications. After determining possible therapeutic miRNAs, we aimed to check their effects upon cell viability and proliferation, apoptosis, and find a possible miRNA
  • Article
    Citation - WoS: 7
    Citation - Scopus: 8
    Mir-17 in Imatinib Resistance and Response To Tyrosine Kinase Inhibitors in Chronic Myeloid Leukemia Cells
    (Zerbinis Medical Publications, 2013) Fıratlıgil, Burcu; Biray Avcı, Çığır; Baran, Yusuf
    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 leukemia (CML) cells. On the other hand, we also determined the expression levels of miR-17 in response to tyrosine kinase inhibitors imatinib, nilotinib and dasatinib used for the treatment of CML. Methods: The expression profiles of miR-17 were analysed by Stem-Loop reverse transcription (RT) polymerase chain reaction (PCR). Results: The results revealed significant increase in the expression levels of miR-17 in imatinib sensitive and resistant cells compared to peripheral blood mononuclear cells (PBMCs). On the other hand, significant decrease was observed in miR-17 levels in response to imatinib, nilotinib and dasatinib. Conclusion: These results may imply that miR-17 can be used for diagnosis and treatment of CML.