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Description
| - BACKGROUND AND OBJECTIVE: It has been shown that the occurrence of the BCR-ABL1 T315I mutation leads to a very poor therapeutic outcome in chronic myelogenous leukemia (CML) patients treated with tyrosine kinase inhibitors. Therefore, early detection of this mutation could potentially lead to early therapeutic intervention and a better prognosis with the ongoing treatment regimen. METHODS: The detection of BCR-ABL1 kinase domain (KD) mutations was performed by direct sequencing of peripheral blood (PB), total bone marrow (BM), and BM CD34+ cells from a reported CML patient. RESULTS: In this patient, the T315I mutation was detected in BM CD34+ cells 6 months prior to its emergence in PB, suggesting evolution and expansion of the T315I mutation clone, which most likely originated from more primitive CML cells. CONCLUSION: Our finding reflects the natural development of a T315I mutation within the hematopoietic system of the reported patient and indicates the importance of BCR-ABL1 mutation monitoring in more primitive cell populations. Considering the natural history of T315I development in this reported CML case, we hypothesize that BCR-ABL1 KD mutations may be pre-concentrated in more primitive CML cells, which subsequently expand into the PB. These findings may have future implications for the strategy used for detecting BCR-ABL1 mutations.
- BACKGROUND AND OBJECTIVE: It has been shown that the occurrence of the BCR-ABL1 T315I mutation leads to a very poor therapeutic outcome in chronic myelogenous leukemia (CML) patients treated with tyrosine kinase inhibitors. Therefore, early detection of this mutation could potentially lead to early therapeutic intervention and a better prognosis with the ongoing treatment regimen. METHODS: The detection of BCR-ABL1 kinase domain (KD) mutations was performed by direct sequencing of peripheral blood (PB), total bone marrow (BM), and BM CD34+ cells from a reported CML patient. RESULTS: In this patient, the T315I mutation was detected in BM CD34+ cells 6 months prior to its emergence in PB, suggesting evolution and expansion of the T315I mutation clone, which most likely originated from more primitive CML cells. CONCLUSION: Our finding reflects the natural development of a T315I mutation within the hematopoietic system of the reported patient and indicates the importance of BCR-ABL1 mutation monitoring in more primitive cell populations. Considering the natural history of T315I development in this reported CML case, we hypothesize that BCR-ABL1 KD mutations may be pre-concentrated in more primitive CML cells, which subsequently expand into the PB. These findings may have future implications for the strategy used for detecting BCR-ABL1 mutations. (en)
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Title
| - Analysis of Mutations in the BCR-ABL1 Kinase Domain, Using Direct Sequencing Detection of the T315I Mutation in Bone Marrow CD34+Cells of a Patient with Chronic Myelogenous Leukemia 6 Months Prior to its Emergence in Peripheral Blood
- Analysis of Mutations in the BCR-ABL1 Kinase Domain, Using Direct Sequencing Detection of the T315I Mutation in Bone Marrow CD34+Cells of a Patient with Chronic Myelogenous Leukemia 6 Months Prior to its Emergence in Peripheral Blood (en)
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skos:prefLabel
| - Analysis of Mutations in the BCR-ABL1 Kinase Domain, Using Direct Sequencing Detection of the T315I Mutation in Bone Marrow CD34+Cells of a Patient with Chronic Myelogenous Leukemia 6 Months Prior to its Emergence in Peripheral Blood
- Analysis of Mutations in the BCR-ABL1 Kinase Domain, Using Direct Sequencing Detection of the T315I Mutation in Bone Marrow CD34+Cells of a Patient with Chronic Myelogenous Leukemia 6 Months Prior to its Emergence in Peripheral Blood (en)
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skos:notation
| - RIV/65269705:_____/12:#0001664!RIV13-MZ0-65269705
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/65269705:_____/12:#0001664
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - Chronic Myeloid Leukemia (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
| - Molecular Diagnosis & Therapy
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Dvořáková, Dana
- Jurček, Tomáš
- Mayer, Jiří
- Rázga, Filip
- Ráčil, Zdeněk
- Žáčková, Daniela
- Borský, Marek
- Ježíšková, Ivana
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http://linked.open...ain/vavai/riv/wos
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http://linked.open...n/vavai/riv/zamer
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issn
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number of pages
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