| Title |
Mutational analysis of JAK2, CBL, RUNX1, and NPM1 genes in familial aggregation of hematological malignancies
|
|---|---|
| Published in |
Annals of Hematology, April 2016
|
| DOI | 10.1007/s00277-016-2678-y |
| Pubmed ID | |
| Authors |
Walid S. Hamadou, Violaine Bourdon, Pascaline Gaildrat, Sawsen Besbes, Aurélie Fabre, Yosra B. Youssef, Haifa Regaieg, Mohamed A. Laatiri, François Eisinger, Véronique Mari, Paul Gesta, Hélène Dreyfus, Valérie Bonadona, Catherine Dugast, Hélène Zattara, Laurence Faivre, Saloua Yacoub Jemni, Testsuro Noguchi, Abderrahim Khélif, Hagay Sobol, Zohra Soua |
| Abstract |
Familial aggregation of hematological malignancies has been reported highlighting inherited genetic predisposition. In this study, we targeted four candidate genes: JAK2 and RUNX1 genes assuring a prominent function in hematological process and CBL and NPM1 as proto-oncogenes. Their disruption was described in several sporadic hematological malignancies. The aim of this study is to determine whether JAK2, CBL, RUNX1, and NPM1 germline genes mutations are involved in familial hematological malignancies. Using direct sequencing, we analyzed JAK2 (exons 12 and 14); CBL (exons 7, 8 and 9); NPM1 (exon 12) and the entire RUNX1 in 88 independent families belonging to Tunisian and French populations. Twenty-one sporadic acute leukemias were included in this study. We reported a heterozygous intronic c.1641 + 6 T > C JAK2 variant (rs182123615) found in two independent familial cases diagnosed with gastric lymphoma and Hodgkin lymphoma. The in silico analysis suggested a potential impact on splicing, but the functional splicing minigene reporter assay on rs182123615 variant showed no aberrant transcripts. In one sporadic acute myeloblastic leukemia, we reported an insertion 846 in. TGTT in exon 12 of NPM1 gene that may impact the normal reading frame. The rs182123615 JAK2 variant was described in several contexts including myeloproliferative neoplasms and congenital erythrocytosis and was supposed to be pathogenic. Through this current study, we established the assessment of pathogenicity of rs182123615 and we classified it rather as rare polymorphism. |
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Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 1 | 100% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 1 | 100% |
Mendeley readers
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Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 23 | 100% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Master | 4 | 17% |
| Other | 2 | 9% |
| Student > Postgraduate | 2 | 9% |
| Professor > Associate Professor | 2 | 9% |
| Student > Ph. D. Student | 2 | 9% |
| Other | 5 | 22% |
| Unknown | 6 | 26% |
| Readers by discipline | Count | As % |
|---|---|---|
| Medicine and Dentistry | 7 | 30% |
| Biochemistry, Genetics and Molecular Biology | 4 | 17% |
| Agricultural and Biological Sciences | 2 | 9% |
| Computer Science | 1 | 4% |
| Business, Management and Accounting | 1 | 4% |
| Other | 0 | 0% |
| Unknown | 8 | 35% |
Attention Score in Context
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#20,322,106
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Outputs from Annals of Hematology
#1,709
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#253,435
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Outputs of similar age from Annals of Hematology
#26
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