Adaptive phenotypic modulations lead to therapy resistance in chronic myeloid leukemia cells

Tyrosine kinase inhibitor (TKI) resistance is a major problem in chronic myeloid leukemia (CML). We generated a TKI-resistant K562 sub-population, K562-IR, under selective imatinib-mesylate pressure. K562-IR cells are CD34(-)/CD38(-), BCR-Abl-independent, proliferate slowly, highly adherent and form...

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Veröffentlicht in:PloS one 2020-02, Vol.15 (2), p.e0229104-e0229104, Article 0229104
Hauptverfasser: Baykal-Kose, Seda, Acikgoz, Eda, Yavuz, Ahmet Sinan, Geyik, Oyku Gonul, Ate, Halil, Sezerman, Osman Ugur, Ozsan, Guner Hayri, Yuce, Zeynep
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container_volume 15
creator Baykal-Kose, Seda
Acikgoz, Eda
Yavuz, Ahmet Sinan
Geyik, Oyku Gonul
Ate, Halil
Sezerman, Osman Ugur
Ozsan, Guner Hayri
Yuce, Zeynep
description Tyrosine kinase inhibitor (TKI) resistance is a major problem in chronic myeloid leukemia (CML). We generated a TKI-resistant K562 sub-population, K562-IR, under selective imatinib-mesylate pressure. K562-IR cells are CD34(-)/CD38(-), BCR-Abl-independent, proliferate slowly, highly adherent and form intact tumor spheroids. Loss of CD45 and other hematopoietic markers reveal these cells have diverged from their hematopoietic origin. CD34 negativity, high expression of E-cadherin and CD44; decreased levels of CD45 and beta-catenin do not fully confer with the leukemic stem cell (LSC) phenotype. Expression analyses reveal that K562-IR cells differentially express tissue/ organ development and differentiation genes. Our data suggest that the observed phenotypic shift is an adaptive process rendering cells under TKI stress to become oncogene independent. Cells develop transcriptional instability in search for a gene expression framework suitable for new environmental stresses, resulting in an adaptive phenotypic shift in which some cells partially display LSC-like properties. With leukemic/cancer stem cell targeted therapies underway, the difference between treating an entity and a spectrum of dynamic cellular states will have conclusive effects on the outcome.
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We generated a TKI-resistant K562 sub-population, K562-IR, under selective imatinib-mesylate pressure. K562-IR cells are CD34(-)/CD38(-), BCR-Abl-independent, proliferate slowly, highly adherent and form intact tumor spheroids. Loss of CD45 and other hematopoietic markers reveal these cells have diverged from their hematopoietic origin. CD34 negativity, high expression of E-cadherin and CD44; decreased levels of CD45 and beta-catenin do not fully confer with the leukemic stem cell (LSC) phenotype. Expression analyses reveal that K562-IR cells differentially express tissue/ organ development and differentiation genes. Our data suggest that the observed phenotypic shift is an adaptive process rendering cells under TKI stress to become oncogene independent. Cells develop transcriptional instability in search for a gene expression framework suitable for new environmental stresses, resulting in an adaptive phenotypic shift in which some cells partially display LSC-like properties. 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Medical Complete (Alumni)</collection><collection>Materials Science Database</collection><collection>Nursing &amp; Allied Health Database (Alumni Edition)</collection><collection>Meteorological &amp; Geoastrophysical Abstracts - Academic</collection><collection>ProQuest Engineering Collection</collection><collection>ProQuest Biological Science Collection</collection><collection>Agricultural Science Database</collection><collection>Health &amp; Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biological Science Database</collection><collection>Engineering Database</collection><collection>Nursing &amp; Allied Health Premium</collection><collection>Advanced Technologies &amp; Aerospace Database</collection><collection>ProQuest Advanced Technologies &amp; Aerospace Collection</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environmental Science Database</collection><collection>Materials Science Collection</collection><collection>Access via ProQuest (Open Access)</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>Environmental Science Collection</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>PloS one</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Baykal-Kose, Seda</au><au>Acikgoz, Eda</au><au>Yavuz, Ahmet Sinan</au><au>Geyik, Oyku Gonul</au><au>Ate, Halil</au><au>Sezerman, Osman Ugur</au><au>Ozsan, Guner Hayri</au><au>Yuce, Zeynep</au><au>Dello Sbarba, Persio</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Adaptive phenotypic modulations lead to therapy resistance in chronic myeloid leukemia cells</atitle><jtitle>PloS one</jtitle><stitle>PLOS ONE</stitle><addtitle>PLoS One</addtitle><date>2020-02-27</date><risdate>2020</risdate><volume>15</volume><issue>2</issue><spage>e0229104</spage><epage>e0229104</epage><pages>e0229104-e0229104</pages><artnum>0229104</artnum><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>Tyrosine kinase inhibitor (TKI) resistance is a major problem in chronic myeloid leukemia (CML). We generated a TKI-resistant K562 sub-population, K562-IR, under selective imatinib-mesylate pressure. K562-IR cells are CD34(-)/CD38(-), BCR-Abl-independent, proliferate slowly, highly adherent and form intact tumor spheroids. Loss of CD45 and other hematopoietic markers reveal these cells have diverged from their hematopoietic origin. CD34 negativity, high expression of E-cadherin and CD44; decreased levels of CD45 and beta-catenin do not fully confer with the leukemic stem cell (LSC) phenotype. Expression analyses reveal that K562-IR cells differentially express tissue/ organ development and differentiation genes. Our data suggest that the observed phenotypic shift is an adaptive process rendering cells under TKI stress to become oncogene independent. Cells develop transcriptional instability in search for a gene expression framework suitable for new environmental stresses, resulting in an adaptive phenotypic shift in which some cells partially display LSC-like properties. With leukemic/cancer stem cell targeted therapies underway, the difference between treating an entity and a spectrum of dynamic cellular states will have conclusive effects on the outcome.</abstract><cop>SAN FRANCISCO</cop><pub>Public Library Science</pub><pmid>32106243</pmid><doi>10.1371/journal.pone.0229104</doi><tpages>19</tpages><orcidid>https://orcid.org/0000-0002-6772-3081</orcidid><orcidid>https://orcid.org/0000-0002-2762-0942</orcidid><orcidid>https://orcid.org/0000-0001-8654-5332</orcidid><orcidid>https://orcid.org/0000-0003-4069-6105</orcidid><oa>free_for_read</oa></addata></record>
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subjects 3T3 Cells
Abl protein
Analysis
Animals
Antigens, CD - genetics
Antigens, CD - metabolism
Apoptosis
BCR protein
BCR-ABL protein
Biology
Biology and Life Sciences
Bosutinib
Cadherins - genetics
Cadherins - metabolism
Cancer
CD34 antigen
CD38 antigen
CD44 antigen
CD45 antigen
Cell Proliferation - drug effects
Cell Proliferation - genetics
Chromosomes
Chronic myeloid leukemia
Drug dosages
Drug Resistance, Neoplasm - drug effects
Drug Resistance, Neoplasm - genetics
E-cadherin
Embryology
Environmental stress
Enzyme inhibitors
Epithelial-Mesenchymal Transition - drug effects
Epithelial-Mesenchymal Transition - genetics
Fusion protein
Fusion Proteins, bcr-abl - antagonists & inhibitors
Fusion Proteins, bcr-abl - genetics
Fusion Proteins, bcr-abl - metabolism
Gene expression
Gene Expression Profiling
Gene Expression Regulation, Neoplastic - drug effects
Genes
Genotype & phenotype
Hematology
Histology
Humans
Imatinib
Imatinib Mesylate - pharmacology
Imatinib Mesylate - therapeutic use
K562 Cells
Kinases
Leukemia
Leukemia, Myelogenous, Chronic, BCR-ABL Positive - drug therapy
Leukemia, Myelogenous, Chronic, BCR-ABL Positive - genetics
Medicine
Medicine and Health Sciences
Mice
Multidisciplinary Sciences
Mutation
Mutation - drug effects
Myeloid leukemia
Oligonucleotide Array Sequence Analysis
Penicillin G
Phenols (Class of compounds)
Phenotypes
Ponatinib
Protein Domains - genetics
Protein Kinase Inhibitors - pharmacology
Protein Kinase Inhibitors - therapeutic use
Protein-tyrosine kinase
Proteins
Research and Analysis Methods
Science & Technology
Science & Technology - Other Topics
Senescence
Spheroids
Stem cell transplantation
Stem cells
Transcription
Transcription (Genetics)
Tumors
Tyrosine
β-Catenin
title Adaptive phenotypic modulations lead to therapy resistance in chronic myeloid leukemia cells
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