Myeloid Cell Leukemia-1 (MCL-1) and Its Correlation with the Prognostic Scoring System in Chronic Myeloid Leukemia

Darojat, Khairiyah; Wijaya, Indra; Bashari, Muhammad Hasan

doi:10.2139/ssrn.4478492

SSRN Journal

2023

DOI: 10.2139/ssrn.4478492

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Myeloid Cell Leukemia-1 (MCL-1) and Its Correlation with the Prognostic Scoring System in Chronic Myeloid Leukemia

Khairiyah Darojat,

Indra Wijaya,

Muhammad Hasan Bashari

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2024

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Identification of exosomal microRNAs and related hub genes associated with imatinib resistance in chronic myeloid leukemia

Karabay,

Ozkan,

Karadag Gurel

et al. 2024

Naunyn-Schmiedeberg's Arch Pharmacol

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Chemotherapy resistance is a major obstacle in cancer therapy, and identifying novel druggable targets to reverse this phenomenon is essential. The exosome-mediated transmittance of drug resistance has been shown in various cancer models including ovarian and prostate cancer models. In this study, we aimed to investigate the role of exosomal miRNA transfer in chronic myeloid leukemia drug resistance. For this purpose, firstly exosomes were isolated from imatinib sensitive (K562S) and resistant (K562R) chronic myeloid leukemia (CML) cells and named as Sexo and Rexo, respectively. Then, miRNA microarray was used to compare miRNA profiles of K562S, K562R, Sexo, Rexo, and Rexo-treated K562S cells. According to our results, miR-125b-5p and miR-99a-5p exhibited increased expression in resistant cells, their exosomes, and Rexo-treated sensitive cells compared to their sensitive counterparts. On the other hand, miR-210-3p and miR-193b-3p were determined to be the two miRNAs which exhibited decreased expression profile in resistant cells and their exosomes compared to their sensitive counterparts. Gene targets, signaling pathways, and enrichment analysis were performed for these miRNAs by TargetScan, KEGG, and DAVID. Potential interactions between gene candidates at the protein level were analyzed via STRING and Cytoscape software. Our findings revealed CCR5, GRK2, EDN1, ARRB1, P2RY2, LAMC2, PAK3, PAK4, and GIT2 as novel gene targets that may play roles in exosomal imatinib resistance transfer as well as mTOR, STAT3, MCL1, LAMC1, and KRAS which are already linked to imatinib resistance. MDR1 mRNA exhibited higher expression in Rexo compared to Sexo as well as in K562S cells treated with Rexo compared to K562S cells which may suggest exosomal transfer of MDR1 mRNA. Graphical Abstract

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Identification of exosomal microRNAs and related hub genes associated with imatinib resistance in chronic myeloid leukemia

Karabay,

Ozkan,

Karadag Gurel

et al. 2024

Naunyn-Schmiedeberg's Arch Pharmacol

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Myeloid Cell Leukemia-1 (MCL-1) and Its Correlation with the Prognostic Scoring System in Chronic Myeloid Leukemia

Cited by 1 publication

References 10 publications

Identification of exosomal microRNAs and related hub genes associated with imatinib resistance in chronic myeloid leukemia

Identification of exosomal microRNAs and related hub genes associated with imatinib resistance in chronic myeloid leukemia

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