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de la Morena-Barrio B, Palomo Á, Padilla J, Martín-Fernández L, Rojo-Carrillo JJ, Cifuentes R, Bravo-Pérez C, Garrido-Rodríguez P, Miñano A, Rubio AM, Pagán J, Llamas M, Vicente V, Vidal F, Lozano ML, Corral J, de la Morena-Barrio ME. Impact of genetic structural variants in factor XI deficiency: identification, accurate characterization, and inferred mechanism by long-read sequencing. J Thromb Haemost 2023; 21:1779-1788. [PMID: 36940803 DOI: 10.1016/j.jtha.2023.03.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 03/07/2023] [Accepted: 03/09/2023] [Indexed: 03/23/2023]
Abstract
BACKGROUND Congenital factor XI (FXI) deficiency is a probably underestimated coagulopathy that confers antithrombotic protection. Characterization of genetic defects in F11 is mainly focused on the identification of single-nucleotide variants and small insertion/deletions because they represent up to 99% of the alterations accounting for factor deficiency, with only 3 gross gene defects of structural variants (SVs) having been described. OBJECTIVES To identify and characterize the SVs affecting F11. METHODS The study was performed in 93 unrelated subjects with FXI deficiency recruited in Spanish hospitals over a period of 25 years (1997-2022). F11 was analyzed by next-generation sequencing, multiplex ligand probe amplification, and long-read sequencing. RESULTS Our study identified 30 different genetic variants. Interestingly, we found 3 SVs, all heterozygous: a complex duplication affecting exons 8 and 9, a tandem duplication of exon 14, and a large deletion affecting the whole gene. Nucleotide resolution obtained by long-read sequencing revealed Alu repetitive elements involved in all breakpoints. The large deletion was probably generated de novo in the paternal allele during gametogenesis, and despite affecting 30 additional genes, no syndromic features were described. CONCLUSION SVs may account for a high proportion of F11 genetic defects implicated in the molecular pathology of congenital FXI deficiency. These SVs, likely caused by a nonallelic homologous recombination involving repetitive elements, are heterogeneous in both type and length and may be de novo. These data support the inclusion of methods to detect SVs in this disorder, with long-read-based methods being the most appropriate because they detect all SVs and achieve adequate nucleotide resolution.
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Affiliation(s)
- Belén de la Morena-Barrio
- Servicio de Hematología, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, Universidad de Murcia, Instituto Murciano de Investigación Biosanitaria-Pascual Parrilla, Centro de Investigación Biomédica en Red de Enfermedades Raras-Instituto de Salud Carlos III, Murcia, Spain
| | - Ángeles Palomo
- Servicio de Hematología y Hemoterapia del centro Materno-Infantil del Hospital Regional Universitario Carlos de Haya, Málaga, Spain
| | - José Padilla
- Servicio de Hematología, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, Universidad de Murcia, Instituto Murciano de Investigación Biosanitaria-Pascual Parrilla, Centro de Investigación Biomédica en Red de Enfermedades Raras-Instituto de Salud Carlos III, Murcia, Spain
| | - Laura Martín-Fernández
- Laboratori de Coagulopaties Congènites, Banc de Sang i Teixits, Barcelona, Spain; Medicina Transfusional. Vall d'Hebron Institut de Recerca, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Juan José Rojo-Carrillo
- Servicio de Hematología, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, Universidad de Murcia, Instituto Murciano de Investigación Biosanitaria-Pascual Parrilla, Centro de Investigación Biomédica en Red de Enfermedades Raras-Instituto de Salud Carlos III, Murcia, Spain
| | - Rosa Cifuentes
- Servicio de Hematología, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, Universidad de Murcia, Instituto Murciano de Investigación Biosanitaria-Pascual Parrilla, Centro de Investigación Biomédica en Red de Enfermedades Raras-Instituto de Salud Carlos III, Murcia, Spain
| | - Carlos Bravo-Pérez
- Servicio de Hematología, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, Universidad de Murcia, Instituto Murciano de Investigación Biosanitaria-Pascual Parrilla, Centro de Investigación Biomédica en Red de Enfermedades Raras-Instituto de Salud Carlos III, Murcia, Spain
| | - Pedro Garrido-Rodríguez
- Servicio de Hematología, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, Universidad de Murcia, Instituto Murciano de Investigación Biosanitaria-Pascual Parrilla, Centro de Investigación Biomédica en Red de Enfermedades Raras-Instituto de Salud Carlos III, Murcia, Spain
| | - Antonia Miñano
- Servicio de Hematología, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, Universidad de Murcia, Instituto Murciano de Investigación Biosanitaria-Pascual Parrilla, Centro de Investigación Biomédica en Red de Enfermedades Raras-Instituto de Salud Carlos III, Murcia, Spain
| | - Ana María Rubio
- Servicio de Hematología, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, Universidad de Murcia, Instituto Murciano de Investigación Biosanitaria-Pascual Parrilla, Centro de Investigación Biomédica en Red de Enfermedades Raras-Instituto de Salud Carlos III, Murcia, Spain
| | - Javier Pagán
- Servicio de Medicina Interna, Hospital Universitario Morales Meseguer, Murcia, Spain
| | - María Llamas
- Servicio de Hematología, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, Universidad de Murcia, Instituto Murciano de Investigación Biosanitaria-Pascual Parrilla, Centro de Investigación Biomédica en Red de Enfermedades Raras-Instituto de Salud Carlos III, Murcia, Spain
| | - Vicente Vicente
- Servicio de Hematología, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, Universidad de Murcia, Instituto Murciano de Investigación Biosanitaria-Pascual Parrilla, Centro de Investigación Biomédica en Red de Enfermedades Raras-Instituto de Salud Carlos III, Murcia, Spain
| | - Francisco Vidal
- Laboratori de Coagulopaties Congènites, Banc de Sang i Teixits, Barcelona, Spain; Medicina Transfusional. Vall d'Hebron Institut de Recerca, Universitat Autònoma de Barcelona, Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares, Instituto de Salud Carlos III, Madrid, Spain
| | - María Luisa Lozano
- Servicio de Hematología, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, Universidad de Murcia, Instituto Murciano de Investigación Biosanitaria-Pascual Parrilla, Centro de Investigación Biomédica en Red de Enfermedades Raras-Instituto de Salud Carlos III, Murcia, Spain
| | - Javier Corral
- Servicio de Hematología, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, Universidad de Murcia, Instituto Murciano de Investigación Biosanitaria-Pascual Parrilla, Centro de Investigación Biomédica en Red de Enfermedades Raras-Instituto de Salud Carlos III, Murcia, Spain.
| | - María Eugenia de la Morena-Barrio
- Servicio de Hematología, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, Universidad de Murcia, Instituto Murciano de Investigación Biosanitaria-Pascual Parrilla, Centro de Investigación Biomédica en Red de Enfermedades Raras-Instituto de Salud Carlos III, Murcia, Spain.
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De Mazancourt P, Harroche A, Pouymayou K, Sigaud M, Falaise C, Stieltjes N, Castet SM, Tardy B, Zawadzki C, Goudemand J, Dargaud Y. Reinvestigation of unidentified causative variants in FXI-deficient patients: Focus on gene segment deletions. Haemophilia 2023; 29:248-255. [PMID: 36195107 DOI: 10.1111/hae.14666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 07/06/2022] [Accepted: 09/08/2022] [Indexed: 01/28/2023]
Abstract
INTRODUCTION Data on failure to identify the molecular mechanism underlying FXI deficiency by Sanger analysis and the contribution of gene segment deletions are almost inexistent. AIMS AND METHODS Prospective and retrospective analysis was conducted on FXI-deficient patients' DNA via Next Generation Sequencing (NGS), or Sanger sequencing and Multiplex Probe Ligation-dependent Assay (MLPA) to detect cryptic causative gene variants or gene segment deletions. RESULTS Sanger analysis or NGS enabled us to identify six severe and one partial (median activity 41 IU/dl) FXI deficient index cases with deletions encompassing exons 11-15, the whole gene, or both. After Sanger sequencing, retrospective evaluation using MLPA detected seven additional deletion cases in apparently homozygous cases in non-consanguineous families, or in previously unsolved FXI-deficiency cases. Among the 504 index cases with a complete genetic investigation (Sanger/MLPA, or NGS), 23 remained unsolved (no abnormality found [n = 14] or rare intronic variants currently under investigation, [n = 9]). In the 481 solved cases (95% efficiency), we identified F11 gene-deleted patients (14 cases; 2.9%). Among these, whole gene deletion accounted for four heterozygous cases, exons 11-15 deletion for five heterozygous and three homozygous ones, while compound heterozygous deletion and isolated exon 12 deletion accounted for one case each. CONCLUSION Given the high incidence of deletions in our population (2.9%), MLPA (or NGS with a reliable bioinformatic pipeline) should be systematically performed for unsolved FXI deficiencies or apparently homozygous cases in non-consanguineous families.
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Affiliation(s)
- Philippe De Mazancourt
- Laboratory of Molecular Biology, Ambroise Pare Hospital, GHU APHP Paris-Saclay, Boulogne-Billancourt, France.,UMR1179, Versailles St-Quentin University, Boulogne-Billancourt, France
| | - Annie Harroche
- Department of Hematology, Hospital Necker-Enfants Malades, GHU AP-HP, Centre - Université de Paris, Paris, France
| | - Katia Pouymayou
- Laboratory of Hematology, La Timone Hospital, APHM, Marseille, France
| | - Marianne Sigaud
- Ressources and Competence Center for Constitutional Bleeding Disorders - CRC-MHC, Nantes University Hospital, Nantes, France
| | - Céline Falaise
- Department of Pediatric Hematology, Immunology, and Oncology, La Timone Children's Hospital, APHM, Marseille, France
| | - Natalie Stieltjes
- Ressources and Competence Center for Constitutional Bleeding Disorders - CRC-MHC, Cochin Hospital, GHU AP-HP, Centre - Université de Paris, Paris, France
| | - Sabine-Marie Castet
- Department of Biological Hematology, CHU Bordeaux-GH Pellegrin, Bordeaux, France
| | - Brigitte Tardy
- Department of Hematology, CHU Nord, Saint Etienne, France
| | | | - Jenny Goudemand
- Department of Hematology, Biology-Pathology Center, CHU, Lille, France
| | - Yesim Dargaud
- Clinical Haemostasis Unit, Louis Pradel Heart Hospital, Lyon, France
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Wilkes MC, Repellin CE, Sakamoto KM. Beyond mRNA: The role of non-coding RNAs in normal and aberrant hematopoiesis. Mol Genet Metab 2017; 122:28-38. [PMID: 28757239 PMCID: PMC5722683 DOI: 10.1016/j.ymgme.2017.07.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 07/21/2017] [Accepted: 07/21/2017] [Indexed: 02/02/2023]
Abstract
The role of non-coding Ribonucleic Acids (ncRNAs) in biology is currently an area of intense focus. Hematopoiesis requires rapidly changing regulatory molecules to guide appropriate differentiation and ncRNA are well suited for this. It is not surprising that virtually all aspects of hematopoiesis have roles for ncRNAs assigned to them and doubtlessly much more await characterization. Stem cell maintenance, lymphoid, myeloid and erythroid differentiation are all regulated by various ncRNAs, including microRNAs (miRNAs), long non-coding RNAs (lncRNAs) and various transposable elements within the genome. As our understanding of the many and complex ncRNA roles continues to grow, new discoveries are challenging the existing classification schemes. In this review we briefly overview the broad categories of ncRNAs and discuss a few examples regulating normal and aberrant hematopoiesis.
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Affiliation(s)
- Mark C Wilkes
- Division of Hematology/Oncology, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
| | | | - Kathleen M Sakamoto
- Division of Hematology/Oncology, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA.
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Esteban J, de la Morena-Barrio ME, Salloum-Asfar S, Padilla J, Miñano A, Roldán V, Soria JM, Vidal F, Corral J, Vicente V. High incidence of FXI deficiency in a Spanish town caused by 11 different mutations and the first duplication of F11: Results from the Yecla study. Haemophilia 2017; 23:e488-e496. [PMID: 28960694 DOI: 10.1111/hae.13356] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/09/2017] [Indexed: 12/19/2022]
Abstract
INTRODUCTION Factor XI (FXI) deficiency is a rare disorder with molecular heterogeneity in Caucasians but relatively frequent and molecularly homogeneous in certain populations. AIM To characterize FXI deficiency in a Spanish town of 60 000 inhabitants. METHODS A total of 324 764 APTT tests were screened during 20 years. FXI was evaluated by FXI:C and by Western blot. Genetic analysis of F11 was performed by sequencing, multiplex ligation-dependent probe amplification and genotyping. RESULTS Our study identified 46 unrelated cases and 170 relatives with FXI deficiency carrying 12 different genetic defects. p.Cys56Arg, described as founder mutation in the French-Basque population, was identified in 109 subjects from 24 unrelated families. This mutation was also identified in 2% of the general population. p.Cys416Tyr, c.1693G>A and p.Pro538Leu were identified in 7, 6 and 2 unrelated families, respectively. NGS analysis of the whole F11 gene revealed a common haplotype for each of the four recurrent mutations, suggesting a founder effect. The analysis of plasma FXI of four p.Pro538Leu homozygous carriers revealed that this variant was not activated by FXIIa. We identified four mutations previously described in other Caucasian subjects with FXI deficiency (p.Lys536Asn; p.Thr322Ile, p.Arg268Cys and c.325G>A) and four new gene defects: p.(Cys599Tyr) potentially causing a functional deficiency, p.(Ile426Thr), p.(Ile592Thr) and the first worldwide duplication of 1653 bp involving exons 8 and 9. Bleeding was rare and mild. CONCLUSIONS Our population-cohort study supplies new evidences that FXI deficiency in Caucasians is more common than previously thought and confirmed the wide underlying genetic heterogeneity, caused by both recurrent and sporadic mutations.
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Affiliation(s)
- J Esteban
- Servicio de Hematología, Hospital Virgen del Castillo de Yecla, Murcia, Spain
| | - M E de la Morena-Barrio
- Servicio de Hematología y Oncología Médica, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, IMIB-Arrixaca, Universidad de Murcia, CIBERER, Murcia, Spain
| | - S Salloum-Asfar
- Servicio de Hematología y Oncología Médica, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, IMIB-Arrixaca, Universidad de Murcia, CIBERER, Murcia, Spain
| | - J Padilla
- Servicio de Hematología y Oncología Médica, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, IMIB-Arrixaca, Universidad de Murcia, CIBERER, Murcia, Spain
| | - A Miñano
- Servicio de Hematología y Oncología Médica, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, IMIB-Arrixaca, Universidad de Murcia, CIBERER, Murcia, Spain
| | - V Roldán
- Servicio de Hematología y Oncología Médica, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, IMIB-Arrixaca, Universidad de Murcia, CIBERER, Murcia, Spain
| | - J M Soria
- IIB-Sant Pau, Unitat de Genòmica de Malalties Complexes, Barcelona, Spain
| | - F Vidal
- Coagulopaties congènites, Banc de Sang i Teixits, Barcelona, Spain.,Unitat de Diagnòstic i Teràpia Molecular, Vall d'Hebron Institut de Recerca, Universitat Autònoma de Barcelona (VHIR-UAB), Barcelona, Spain.,CIBER de Enfermedades Cardiovasculares, Spain
| | - J Corral
- Servicio de Hematología y Oncología Médica, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, IMIB-Arrixaca, Universidad de Murcia, CIBERER, Murcia, Spain
| | - V Vicente
- Servicio de Hematología y Oncología Médica, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, IMIB-Arrixaca, Universidad de Murcia, CIBERER, Murcia, Spain
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Vona B, Nanda I, Neuner C, Schröder J, Kalscheuer VM, Shehata-Dieler W, Haaf T. Terminal chromosome 4q deletion syndrome in an infant with hearing impairment and moderate syndromic features: review of literature. BMC MEDICAL GENETICS 2014; 15:72. [PMID: 24962056 PMCID: PMC4077152 DOI: 10.1186/1471-2350-15-72] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/12/2014] [Accepted: 06/23/2014] [Indexed: 11/10/2022]
Abstract
BACKGROUND Terminal deletions of chromosome 4q are associated with a broad spectrum of phenotypes including cardiac, craniofacial, digital, and cognitive impairment. The rarity of this syndrome renders genotype-phenotype correlation difficult, which is further complicated by the widely different phenotypes observed in patients sharing similar deletion intervals. CASE PRESENTATION Herein, we describe a boy with congenital hearing impairment and a variety of moderate syndromic features that prompted SNP array analysis disclosing a heterozygous 6.9 Mb deletion in the 4q35.1q35.2 region, which emerged de novo in the maternal germ line. CONCLUSION In addition to the index patient, we review 35 cases from the literature and DECIPHER database to attempt genotype-phenotype correlations for a syndrome with great phenotypic variability. We delineate intervals with recurrent phenotypic overlap, particularly for cleft palate, congenital heart defect, intellectual disability, and autism spectrum disorder. Broad phenotypic presentation of the terminal 4q deletion syndrome is consistent with incomplete penetrance of the individual symptoms.
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Affiliation(s)
| | | | | | | | | | | | - Thomas Haaf
- Institute of Human Genetics, Julius-Maximilians-Universität Würzburg, Biozentrum, Am Hubland, 97074 Würzburg, Germany.
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Guéguen P, Chauvin A, Quémener-Redon S, Pan-Petesch B, Férec C, Abgrall JF, Le Maréchal C. Revisiting the molecular epidemiology of factor XI deficiency: nine new mutations and an original large 4qTer deletion in western Brittany (France). Thromb Haemost 2011; 107:44-50. [PMID: 22159456 DOI: 10.1160/th11-06-0415] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2011] [Accepted: 10/10/2011] [Indexed: 11/05/2022]
Abstract
Constitutional deficiency in factor XI (FXI) is a rare bleeding disorder in the general population, with the exception of Ashkenazi Jews. During the last decade, the detection of FXI-deficient patients has shifted from clinical screening identifying mostly severe bleeders to biological screening combining findings of prolonged activated partial thromboplastin time and FXI coagulation activity (FXI:C) below 50 U/dl. The goal of this study was to determine the molecular basis of FXI deficiency in western Brittany, France. Over the course of four years, we detected 98 FXI-deficient patients through biological screening, and 44 patients agreed to participate in this study corresponding to 25 index cases. We developed an efficient mutation detection strategy (combining direct sequencing and QFM-PCR to search for heterozygous rearrangements in a routine setting) that detected F11 mutations in 24 out of the 25 index cases. An unexpected allelic heterogeneity was found, with 14 different single point mutations being detected, among which nine are new. Moreover, a large heterozygous deletion of the entire F11 gene was detected, and was then further defined using a CGH array as a 4q34.2 telomeric deletion of 7 Mb containing 77 genes. We propose that the observed recurrent mutations may be considered as genetic tags of a population. This study highlights the importance of screening for large deletions in molecular studies of F11 .
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Affiliation(s)
- Paul Guéguen
- Université de Brest, Faculté de Médecine et des Sciences de la Santé, UMR-S613, Brest, France
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Duncan EM, Casey GJ, Fenech MP, Lerda NV, Casey CR, Rodgers SE, Lee SH, Chunilal S, Robinson K, Lloyd JV. Partial and severe factor XI deficiency in South Australia and the usefulness of factor XI mutation analysis for diagnosis. Pathology 2008; 40:401-6. [DOI: 10.1080/00313020801911462] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Ishikawa N, Okada S, Sato T, Yasunaga S, Ohtsubo M, Takihara Y, Kobayashi M. A novel mutation (Gln433Glu) in exon 12 combined with the G insertion in exon 13 causes severe factor XI deficiency in Japanese patients. Blood Coagul Fibrinolysis 2007; 18:519-23. [PMID: 17581330 DOI: 10.1097/mbc.0b013e328133f553] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Factor XI (FXI) deficiency is an autosomal, incompletely recessive coagulopathy. This disorder is rare in the general population worldwide, but is one of the most common inherited diseases in Ashkenazi Jews. It has been reported that a significantly higher frequency of allelic heterogeneity occurs in different ethnic groups. The study objective was to study the molecular basis of this disease in a Japanese family. Two Japanese brothers with severe FXI deficiency and three other family members were screened by direct sequencing analysis after polymerase chain reaction. We identified a novel mutation, a C-to-G transition at position 1394 in exon 12 in the FXI gene (F11 c.1394 C>G). This transition resulted in a missense mutation (Gln433Glu), which led to the disruption of the catalytic domain structure of the FXI molecule. This change, combined with a G insertion in exon 13 (501/502 ins G), led to a frameshift mutation, which has previously been reported in only one other Japanese patient. In conclusion, the compound heterozygous novel mutations that cause severe FXI deficiency were found in Japanese patients.
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Affiliation(s)
- Nobutsune Ishikawa
- Department of Pediatrics, Hiroshima University Graduate School of Biomedical Sciences, Hiroshima, Japan.
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