About: 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

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About: 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 Goto Sponge Distinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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)
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)
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)
skos:notation	RIV/65269705:_____/12:#0001664!RIV13-MZ0-65269705
http://linked.open...avai/riv/aktivita	V Z
http://linked.open...avai/riv/aktivity	V, Z(MSM0021622430)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Žáčková, Daniela Rázga, Filip Ráčil, Z. Dvořáková, Dana Mayer, Jiří Borský, Marek Jurček, Tomáš Ježíšková, Ivana
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Fakultní nemocnice Brno / (nerozlišená součást)
http://linked.open...dnocenehoVysledku	122180
http://linked.open...ai/riv/idVysledku	RIV/65269705:_____/12:#0001664
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Chronic Myeloid Leukemia (en)
http://linked.open.../riv/klicoveSlovo	Chronic Myeloid Leukemia
http://linked.open...odStatuVydavatele	NZ - Nový Zéland
http://linked.open...ontrolniKodProRIV	[DDF6A4D34781]
http://linked.open...i/riv/nazevZdroje	Molecular Diagnosis & Therapy
http://linked.open...in/vavai/riv/obor	FD
http://linked.open...ichTvurcuVysledku	8 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	16
http://linked.open...iv/tvurceVysledku	Dvořáková, Dana Jurček, Tomáš Mayer, Jiří Rázga, Filip Ráčil, Zdeněk Žáčková, Daniela Borský, Marek Ježíšková, Ivana
http://linked.open...ain/vavai/riv/wos	000305442900004
http://linked.open...n/vavai/riv/zamer	Functional and molecular characteristics of cancer and normal stem cells - identification of targets for novel therapeutics and therapeutic strategies
issn	1177-1062
number of pages	4 (xsd:int)

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