The mechanism of action of the negative Regulators of jak/stat singnaling pathway in Resistant FLT-ITD acute myeloid leukaemia cells

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dc.contributor.authorJohan, Muhammad Farid
dc.date.accessioned2022-02-27T03:43:03Z
dc.date.available2022-02-27T03:43:03Z
dc.date.issued2019
dc.description.abstractThe aim of this study was to understand the mechanism of action of negative regulators of JAK/STAT signalling pathway in FLT3-ITD AML cell lines with different response towards the FLT3 inhibitors PKC412 and CEP701. The cytotoxic dose of CEP-701 and PKC-412 on resistant cell lines was significantly higher in comparison with parental and MV4-11 R-cep+5-Aza (p=0.004) and MV4-11pkc+5-Aza (p=0.003). The resistant cells showed a significant higher viability and lower apoptosis compared with others (p<0.001 ). Expression of SHP-1 and PRG2 were 7 and 20- folds higher in MV4-11R-cep+5-Aza compared to parental and resistant (p=0.011). There was significant hypomethylation (p=0.002) in CpG islands of SHP-1 and PRG2, associated with their re-expressions. The higher sensitivity to TKI was associated with STAT3 inactivation in 5-Aza treated compared with their resistant cell lines. 20-PAGE showed the number of protein spots detected were 522±29 with 79% matching rate which resulted in three upregulated proteins. The restoration of SHP-1 and PRG2 expression induces sensitivity towards CEP-701. 5-Aza enhances efficacy of TKI and treatment with 5-Aza followed by PKC-412 or CEP-701 could provide suitable candidates for further investigates to underline alternative options for the treatment of AML patients with FL T3-ITD.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/14765
dc.language.isoenen_US
dc.publisherPusat Pengajian Sains Perubatan, Universiti Sains Malaysiaen_US
dc.subjectleukaemiaen_US
dc.titleThe mechanism of action of the negative Regulators of jak/stat singnaling pathway in Resistant FLT-ITD acute myeloid leukaemia cellsen_US
dc.typeArticleen_US
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