A novel BCR-ABL1 mutation in a patient with philadelphia chromosome-positive B-cell acute lymphoblastic leukemia

Detalhes bibliográficos
Autor(a) principal: Vinhas, Raquel
Data de Publicação: 2018
Outros Autores: Lourenço, Alexandra, Santos, Susana, Lemos, Marcos, Ribeiro, Patrícia, de Sousa, Aida Botelho, Baptista, Pedro Viana, Fernandes, Alexandra Ramos
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10362/127779
Resumo: cofinanced by the ERDF under the PT2020 Partnership Agreement (POCI-01-0145-FEDER-007728). Inn-INDIGO/0002/2015.
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spelling A novel BCR-ABL1 mutation in a patient with philadelphia chromosome-positive B-cell acute lymphoblastic leukemiaALLE14a2MutationP.Y440CPhiladelphia chromosomeOncologyPharmacology (medical)SDG 3 - Good Health and Well-beingcofinanced by the ERDF under the PT2020 Partnership Agreement (POCI-01-0145-FEDER-007728). Inn-INDIGO/0002/2015.Philadelphia chromosome-positive acute lymphoblastic leukemia (Ph+ ALL) represents the most common genetic subtype of adult ALL (20%–30%) and accounts for approximately 50% of all cases in the elderly. It has been considered the subgroup of ALL with the worst outcome. The introduction of tyrosine kinase inhibitors (TKIs) allows complete hematologic remission virtually in all patients, with improved disease-free survival and overall survival. Nevertheless, the emergence of resistant mutations in BCR-ABL1 may require different TKI strategies to overcome the patient’s resistance and disease relapse. Here, we report a Ph+ B-ALL case with persistent minimal residual disease (MRD) after treatment with dasatinib. The patient expressed the P190BCR-ABL1 isoform and a novel BCR-ABL1 mutation, p.Y440C. The latter is in the C-terminal lobe of the kinase domain, which likely induces deviations in the protein structure and activity and destabilizes its inactive conformation. The treatment was substituted by bosutinib, which binds to the active conformation of the protein, prior to allogeneic bone marrow transplant to overcome the lack of a complete response to dasatinib. These findings strengthen the importance of BCR-ABL1 mutational screening in Ph+ patients, particularly for those who do not achieve complete molecular remission.UCIBIO - Applied Molecular Biosciences UnitDCV - Departamento de Ciências da VidaRUNVinhas, RaquelLourenço, AlexandraSantos, SusanaLemos, MarcosRibeiro, Patríciade Sousa, Aida BotelhoBaptista, Pedro VianaFernandes, Alexandra Ramos2021-11-15T23:29:27Z2018-01-012018-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article10application/pdfhttp://hdl.handle.net/10362/127779eng1178-6930PURE: 10569353https://doi.org/10.2147/OTT.S177019info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2024-03-11T05:07:37Zoai:run.unl.pt:10362/127779Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T03:46:12.175883Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv A novel BCR-ABL1 mutation in a patient with philadelphia chromosome-positive B-cell acute lymphoblastic leukemia
title A novel BCR-ABL1 mutation in a patient with philadelphia chromosome-positive B-cell acute lymphoblastic leukemia
spellingShingle A novel BCR-ABL1 mutation in a patient with philadelphia chromosome-positive B-cell acute lymphoblastic leukemia
Vinhas, Raquel
ALL
E14a2
Mutation
P.Y440C
Philadelphia chromosome
Oncology
Pharmacology (medical)
SDG 3 - Good Health and Well-being
title_short A novel BCR-ABL1 mutation in a patient with philadelphia chromosome-positive B-cell acute lymphoblastic leukemia
title_full A novel BCR-ABL1 mutation in a patient with philadelphia chromosome-positive B-cell acute lymphoblastic leukemia
title_fullStr A novel BCR-ABL1 mutation in a patient with philadelphia chromosome-positive B-cell acute lymphoblastic leukemia
title_full_unstemmed A novel BCR-ABL1 mutation in a patient with philadelphia chromosome-positive B-cell acute lymphoblastic leukemia
title_sort A novel BCR-ABL1 mutation in a patient with philadelphia chromosome-positive B-cell acute lymphoblastic leukemia
author Vinhas, Raquel
author_facet Vinhas, Raquel
Lourenço, Alexandra
Santos, Susana
Lemos, Marcos
Ribeiro, Patrícia
de Sousa, Aida Botelho
Baptista, Pedro Viana
Fernandes, Alexandra Ramos
author_role author
author2 Lourenço, Alexandra
Santos, Susana
Lemos, Marcos
Ribeiro, Patrícia
de Sousa, Aida Botelho
Baptista, Pedro Viana
Fernandes, Alexandra Ramos
author2_role author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv UCIBIO - Applied Molecular Biosciences Unit
DCV - Departamento de Ciências da Vida
RUN
dc.contributor.author.fl_str_mv Vinhas, Raquel
Lourenço, Alexandra
Santos, Susana
Lemos, Marcos
Ribeiro, Patrícia
de Sousa, Aida Botelho
Baptista, Pedro Viana
Fernandes, Alexandra Ramos
dc.subject.por.fl_str_mv ALL
E14a2
Mutation
P.Y440C
Philadelphia chromosome
Oncology
Pharmacology (medical)
SDG 3 - Good Health and Well-being
topic ALL
E14a2
Mutation
P.Y440C
Philadelphia chromosome
Oncology
Pharmacology (medical)
SDG 3 - Good Health and Well-being
description cofinanced by the ERDF under the PT2020 Partnership Agreement (POCI-01-0145-FEDER-007728). Inn-INDIGO/0002/2015.
publishDate 2018
dc.date.none.fl_str_mv 2018-01-01
2018-01-01T00:00:00Z
2021-11-15T23:29:27Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
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url http://hdl.handle.net/10362/127779
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 1178-6930
PURE: 10569353
https://doi.org/10.2147/OTT.S177019
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