VOLEJNIKOVA, Jana, Petr VOJTA, Helena URBANKOVA, Renata MOJZIKOVA, Monika HORVATHOVA, Ivana HOCHOVA, Jaroslav CERMAK, Jan BLATNÝ, Martina SUKOVA, Eva BUBANSKA, Jaroslava FEKETEOVA, Daniela PROCHAZKOVA, Julia HORAKOVA, Marian HAJDUCH and Dagmar POSPISILOVA. Czech and Slovak Diamond-Blackfan Anemia (DBA) Registry update: Clinical data and novel causative genetic lesions. Blood Cells, Molecules and Diseases. Orlando, Florida: Academic Press, 2020, vol. 81, MAR 2020, p. 1-11. ISSN 1079-9796. Available from: https://dx.doi.org/10.1016/j.bcmd.2019.102380.
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Basic information
Original name Czech and Slovak Diamond-Blackfan Anemia (DBA) Registry update: Clinical data and novel causative genetic lesions
Authors VOLEJNIKOVA, Jana (203 Czech Republic), Petr VOJTA (203 Czech Republic), Helena URBANKOVA (203 Czech Republic), Renata MOJZIKOVA (203 Czech Republic), Monika HORVATHOVA (203 Czech Republic), Ivana HOCHOVA (203 Czech Republic), Jaroslav CERMAK (203 Czech Republic), Jan BLATNÝ (203 Czech Republic, belonging to the institution), Martina SUKOVA (203 Czech Republic), Eva BUBANSKA (703 Slovakia), Jaroslava FEKETEOVA (703 Slovakia), Daniela PROCHAZKOVA (203 Czech Republic), Julia HORAKOVA (703 Slovakia), Marian HAJDUCH (203 Czech Republic) and Dagmar POSPISILOVA (203 Czech Republic, guarantor).
Edition Blood Cells, Molecules and Diseases, Orlando, Florida, Academic Press, 2020, 1079-9796.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 30205 Hematology
Country of publisher United States of America
Confidentiality degree is not subject to a state or trade secret
WWW URL
Impact factor Impact factor: 3.039
RIV identification code RIV/00216224:14110/20:00115428
Organization unit Faculty of Medicine
Doi http://dx.doi.org/10.1016/j.bcmd.2019.102380
UT WoS 000510852000001
Keywords in English Cancer; Diamond-Blackfan anemia (DBA); Mutations; Registry; Ribosomal proteins (RP)
Tags 14110321, rivok
Tags International impact, Reviewed
Changed by Changed by: Mgr. Tereza Miškechová, učo 341652. Changed: 13/7/2020 15:11.
Abstract
Diamond-Blackfan anemia (DBA) is a rare congenital erythroid aplasia, underlied by haploinsufficient mutations in genes coding for ribosomal proteins (RP) in approximately 70% of cases. DBA is frequently associated with somatic malformations, endocrine dysfunction and with an increased predisposition to cancer. Here we present clinical and genetic characteristics of 62 patients from 52 families enrolled in the Czech and Slovak DBA Registry. Whole exome sequencing (WES) and array comparative genomic hybridization (aCGH) were employed to identify causative mutations in newly diagnosed patients and in cases with previously unrecognized molecular pathology. RP mutation detection rate was 81% (50/62 patients). This included 8 novel point mutations and 4 large deletions encompassing some of the RP genes. Malignant or predisposing condition developed in 8/62 patients (13%): myelodysplastic syndrome in 3 patients; breast cancer in 2 patients; colorectal cancer plus ocular tumor, diffuse large B-cell lymphoma and multiple myeloma each in one case. These patients exclusively harbored RPL5, RPL11 or RPS19 mutations. Array CGH is beneficial for detection of novel mutations in DBA due to its capacity to detect larger chromosomal aberrations. Despite the importance of genotype-phenotype correlation in DBA, phenotypic differences among family members harboring an identical mutation were observed.
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