Novel THPO variant in hereditary thrombocytopenia: A potential candidate variant for predisposition to myeloid neoplasm.

Hereditary thrombocytopenia is a heterogeneous group of congenital disorders with a wide range of symptoms depending on the severity of platelet dysfunction or thrombocytopenia. Because of its clinical phenotypes and the bone marrow morphology associated with this condition, hereditary thrombocytope...

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Main Authors: Seok Ryun Kwon, Man Jin Kim, Young-Eun Lee, Jiwon Yun, Da-Jeong Jeong, Jae Hyeon Park, Sunghoon Kwon, Dong Soon Lee
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2022-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0271624
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author Seok Ryun Kwon
Man Jin Kim
Young-Eun Lee
Jiwon Yun
Da-Jeong Jeong
Jae Hyeon Park
Sunghoon Kwon
Dong Soon Lee
author_facet Seok Ryun Kwon
Man Jin Kim
Young-Eun Lee
Jiwon Yun
Da-Jeong Jeong
Jae Hyeon Park
Sunghoon Kwon
Dong Soon Lee
author_sort Seok Ryun Kwon
collection DOAJ
description Hereditary thrombocytopenia is a heterogeneous group of congenital disorders with a wide range of symptoms depending on the severity of platelet dysfunction or thrombocytopenia. Because of its clinical phenotypes and the bone marrow morphology associated with this condition, hereditary thrombocytopenia can be misdiagnosed as primary immune thrombocytopenia and myelodysplastic syndrome. Therefore, genetic evidence is necessary for the accurate diagnosis of hereditary thrombocytopenia. Refractory cytopenia of childhood is a subgroup of myelodysplastic syndrome that was added to the World Health Organization classification in 2008. To investigate the germline and somatic variants associated with refractory cytopenia of childhood, we performed targeted multigene sequencing in three patients with refractory cytopenia of childhood. Of the three patients, one progressed from megakaryocytic hypoplasia with thrombocytopenia, and targeted multigene sequencing revealed THPO variants in this patient and his sister. We propose that the monoallelic deletion of THPO is a potential candidate for germline predisposition to myeloid malignancy.
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spelling doaj.art-cf660de900d24fafa761c5dc3216d9be2023-01-11T05:31:51ZengPublic Library of Science (PLoS)PLoS ONE1932-62032022-01-011712e027162410.1371/journal.pone.0271624Novel THPO variant in hereditary thrombocytopenia: A potential candidate variant for predisposition to myeloid neoplasm.Seok Ryun KwonMan Jin KimYoung-Eun LeeJiwon YunDa-Jeong JeongJae Hyeon ParkSunghoon KwonDong Soon LeeHereditary thrombocytopenia is a heterogeneous group of congenital disorders with a wide range of symptoms depending on the severity of platelet dysfunction or thrombocytopenia. Because of its clinical phenotypes and the bone marrow morphology associated with this condition, hereditary thrombocytopenia can be misdiagnosed as primary immune thrombocytopenia and myelodysplastic syndrome. Therefore, genetic evidence is necessary for the accurate diagnosis of hereditary thrombocytopenia. Refractory cytopenia of childhood is a subgroup of myelodysplastic syndrome that was added to the World Health Organization classification in 2008. To investigate the germline and somatic variants associated with refractory cytopenia of childhood, we performed targeted multigene sequencing in three patients with refractory cytopenia of childhood. Of the three patients, one progressed from megakaryocytic hypoplasia with thrombocytopenia, and targeted multigene sequencing revealed THPO variants in this patient and his sister. We propose that the monoallelic deletion of THPO is a potential candidate for germline predisposition to myeloid malignancy.https://doi.org/10.1371/journal.pone.0271624
spellingShingle Seok Ryun Kwon
Man Jin Kim
Young-Eun Lee
Jiwon Yun
Da-Jeong Jeong
Jae Hyeon Park
Sunghoon Kwon
Dong Soon Lee
Novel THPO variant in hereditary thrombocytopenia: A potential candidate variant for predisposition to myeloid neoplasm.
PLoS ONE
title Novel THPO variant in hereditary thrombocytopenia: A potential candidate variant for predisposition to myeloid neoplasm.
title_full Novel THPO variant in hereditary thrombocytopenia: A potential candidate variant for predisposition to myeloid neoplasm.
title_fullStr Novel THPO variant in hereditary thrombocytopenia: A potential candidate variant for predisposition to myeloid neoplasm.
title_full_unstemmed Novel THPO variant in hereditary thrombocytopenia: A potential candidate variant for predisposition to myeloid neoplasm.
title_short Novel THPO variant in hereditary thrombocytopenia: A potential candidate variant for predisposition to myeloid neoplasm.
title_sort novel thpo variant in hereditary thrombocytopenia a potential candidate variant for predisposition to myeloid neoplasm
url https://doi.org/10.1371/journal.pone.0271624
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