NGS Evaluation of a Bernese Cohort of Unexplained Erythrocytosis Patients

(1) Background: Clinical and molecular data on patients with unexplained erythrocyto-sis is sparse. We aimed to analyze the clinical and molecular features of patients with congenital erythrocytosis in our tertiary reference center. (2) Methods: In 34 patients with unexplained erythrocytosis, a 13-g...

Full description

Bibliographic Details
Main Authors: Katarzyna Aleksandra Jalowiec, Kristina Vrotniakaite-Bajerciene, Annina Capraru, Tatiana Wojtovicova, Raphael Joncourt, Alicia Rovó, Naomi A. Porret
Format: Article
Language:English
Published: MDPI AG 2021-12-01
Series:Genes
Subjects:
Online Access:https://www.mdpi.com/2073-4425/12/12/1951
_version_ 1797504265180151808
author Katarzyna Aleksandra Jalowiec
Kristina Vrotniakaite-Bajerciene
Annina Capraru
Tatiana Wojtovicova
Raphael Joncourt
Alicia Rovó
Naomi A. Porret
author_facet Katarzyna Aleksandra Jalowiec
Kristina Vrotniakaite-Bajerciene
Annina Capraru
Tatiana Wojtovicova
Raphael Joncourt
Alicia Rovó
Naomi A. Porret
author_sort Katarzyna Aleksandra Jalowiec
collection DOAJ
description (1) Background: Clinical and molecular data on patients with unexplained erythrocyto-sis is sparse. We aimed to analyze the clinical and molecular features of patients with congenital erythrocytosis in our tertiary reference center. (2) Methods: In 34 patients with unexplained erythrocytosis, a 13-gene Next-Generation Sequencing erythrocytosis panel developed at our center was conducted. (3) Results: In 6/34 (18%) patients, eight different heterozygous gene variants were found. These patients were, therefore, diagnosed with congenital erythrocytosis. Two patients had two different gene variants each. All variants were characterized as variants of unknown significance as they had not previously been described in the literature. The rest of the patients (28/34, 82%) had no detected gene variants. (4) Conclusions: Our experience shows that the NGS panel can be helpful in determining the reasons for persistent, unexplained erythrocytosis. In our cohort of patients with erythrocytosis, we identified some, thus far unknown, gene variants which may explain the clinical picture. However, further investigations are needed to determine the relationship between the molecular findings and the phenotype.
first_indexed 2024-03-10T04:02:11Z
format Article
id doaj.art-354e7b797d43447bb7bb6a1f7b4f7de1
institution Directory Open Access Journal
issn 2073-4425
language English
last_indexed 2024-03-10T04:02:11Z
publishDate 2021-12-01
publisher MDPI AG
record_format Article
series Genes
spelling doaj.art-354e7b797d43447bb7bb6a1f7b4f7de12023-11-23T08:30:50ZengMDPI AGGenes2073-44252021-12-011212195110.3390/genes12121951NGS Evaluation of a Bernese Cohort of Unexplained Erythrocytosis PatientsKatarzyna Aleksandra Jalowiec0Kristina Vrotniakaite-Bajerciene1Annina Capraru2Tatiana Wojtovicova3Raphael Joncourt4Alicia Rovó5Naomi A. Porret6Department of Hematology and Central Hematology Laboratory, Inselspital, University Hospital Bern, University of Bern, 3008 Bern, SwitzerlandDepartment of Hematology and Central Hematology Laboratory, Inselspital, University Hospital Bern, University of Bern, 3008 Bern, SwitzerlandDepartment of Hematology and Central Hematology Laboratory, Inselspital, University Hospital Bern, University of Bern, 3008 Bern, SwitzerlandDepartment of Hematology and Central Hematology Laboratory, Inselspital, University Hospital Bern, University of Bern, 3008 Bern, SwitzerlandDepartment of Hematology and Central Hematology Laboratory, Inselspital, University Hospital Bern, University of Bern, 3008 Bern, SwitzerlandDepartment of Hematology and Central Hematology Laboratory, Inselspital, University Hospital Bern, University of Bern, 3008 Bern, SwitzerlandDepartment of Hematology and Central Hematology Laboratory, Inselspital, University Hospital Bern, University of Bern, 3008 Bern, Switzerland(1) Background: Clinical and molecular data on patients with unexplained erythrocyto-sis is sparse. We aimed to analyze the clinical and molecular features of patients with congenital erythrocytosis in our tertiary reference center. (2) Methods: In 34 patients with unexplained erythrocytosis, a 13-gene Next-Generation Sequencing erythrocytosis panel developed at our center was conducted. (3) Results: In 6/34 (18%) patients, eight different heterozygous gene variants were found. These patients were, therefore, diagnosed with congenital erythrocytosis. Two patients had two different gene variants each. All variants were characterized as variants of unknown significance as they had not previously been described in the literature. The rest of the patients (28/34, 82%) had no detected gene variants. (4) Conclusions: Our experience shows that the NGS panel can be helpful in determining the reasons for persistent, unexplained erythrocytosis. In our cohort of patients with erythrocytosis, we identified some, thus far unknown, gene variants which may explain the clinical picture. However, further investigations are needed to determine the relationship between the molecular findings and the phenotype.https://www.mdpi.com/2073-4425/12/12/1951erythrocytosispolycythemiaNGS
spellingShingle Katarzyna Aleksandra Jalowiec
Kristina Vrotniakaite-Bajerciene
Annina Capraru
Tatiana Wojtovicova
Raphael Joncourt
Alicia Rovó
Naomi A. Porret
NGS Evaluation of a Bernese Cohort of Unexplained Erythrocytosis Patients
Genes
erythrocytosis
polycythemia
NGS
title NGS Evaluation of a Bernese Cohort of Unexplained Erythrocytosis Patients
title_full NGS Evaluation of a Bernese Cohort of Unexplained Erythrocytosis Patients
title_fullStr NGS Evaluation of a Bernese Cohort of Unexplained Erythrocytosis Patients
title_full_unstemmed NGS Evaluation of a Bernese Cohort of Unexplained Erythrocytosis Patients
title_short NGS Evaluation of a Bernese Cohort of Unexplained Erythrocytosis Patients
title_sort ngs evaluation of a bernese cohort of unexplained erythrocytosis patients
topic erythrocytosis
polycythemia
NGS
url https://www.mdpi.com/2073-4425/12/12/1951
work_keys_str_mv AT katarzynaaleksandrajalowiec ngsevaluationofabernesecohortofunexplainederythrocytosispatients
AT kristinavrotniakaitebajerciene ngsevaluationofabernesecohortofunexplainederythrocytosispatients
AT anninacapraru ngsevaluationofabernesecohortofunexplainederythrocytosispatients
AT tatianawojtovicova ngsevaluationofabernesecohortofunexplainederythrocytosispatients
AT raphaeljoncourt ngsevaluationofabernesecohortofunexplainederythrocytosispatients
AT aliciarovo ngsevaluationofabernesecohortofunexplainederythrocytosispatients
AT naomiaporret ngsevaluationofabernesecohortofunexplainederythrocytosispatients