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Clancy J, Ritari J, Vaittinen E, Arvas M, Tammi S, Koskela S, Partanen J. Blood donor biobank as a resource in personalised biomedical genetic research. Eur J Hum Genet 2024:10.1038/s41431-023-01528-0. [PMID: 38212662 DOI: 10.1038/s41431-023-01528-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 10/14/2023] [Accepted: 12/19/2023] [Indexed: 01/13/2024] Open
Abstract
Health questionnaires and donation criteria result in accumulation of highly selected individuals in a blood donor population. To understand better the usefulness of a blood donor-based biobank in personalised disease-associated genetic studies, and for possible personalised blood donation policies, we evaluated the occurrence and distributions of common and rare disease-associated genetic variants in Finnish Blood Service Biobank. We analysed among 31,880 blood donors the occurrence and geographical distribution of (i) 53 rare Finnish-enriched disease-associated variants, (ii) mutations assumed to influence blood donation: four Bernard-Soulier syndrome and two hemochromatosis mutations, (iii) type I diabetes risk genotype HLA-DQ2/DQ8. In addition, we analysed the level of consanguinity in Blood Service Biobank. 80.3% of blood donors carried at least one (range 0-9 per donor) of the rare variants, many in homozygous form, as well. Donors carrying multiple rare variants were enriched in Eastern Finland. Haemochromatosis mutation HFE C282Y homozygosity was 43.8% higher than expected, whereas mutations leading to Bernard-Soulier thrombocytopenia were rare. The frequency of HLA-DQ2/DQ8 genotype was slightly lower than expected. First-degree consanguinity was higher in Blood Service Biobank than in the general population. We demonstrate that despite donor selection, the Blood Service Biobank is a valuable resource for personalised medical research and for genotype-selected samples from unaffected individuals. The geographical genetic substructure of Finland enables efficient recruitment of donors carrying rare variants. Furthermore, we show that blood donor biobank material can be utilised for personalised blood donation policies.
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Affiliation(s)
- Jonna Clancy
- Blood Service Biobank, Finnish Red Cross Blood Service, Vantaa, Finland.
- Research and Development, Finnish Red Cross Blood Service, Helsinki, Finland.
| | - Jarmo Ritari
- Research and Development, Finnish Red Cross Blood Service, Helsinki, Finland
| | | | - Mikko Arvas
- Research and Development, Finnish Red Cross Blood Service, Helsinki, Finland
| | - Silja Tammi
- Research and Development, Finnish Red Cross Blood Service, Helsinki, Finland
| | - Satu Koskela
- Blood Service Biobank, Finnish Red Cross Blood Service, Vantaa, Finland
- Research and Development, Finnish Red Cross Blood Service, Helsinki, Finland
| | - Jukka Partanen
- Blood Service Biobank, Finnish Red Cross Blood Service, Vantaa, Finland
- Research and Development, Finnish Red Cross Blood Service, Helsinki, Finland
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Matsushima N, Takatsuka S, Miyashita H, Kretsinger RH. Leucine Rich Repeat Proteins: Sequences, Mutations, Structures and Diseases. Protein Pept Lett 2019; 26:108-131. [PMID: 30526451 DOI: 10.2174/0929866526666181208170027] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 11/26/2018] [Accepted: 11/26/2018] [Indexed: 12/18/2022]
Abstract
Mutations in the genes encoding Leucine Rich Repeat (LRR) containing proteins are associated with over sixty human diseases; these include high myopia, mitochondrial encephalomyopathy, and Crohn's disease. These mutations occur frequently within the LRR domains and within the regions that shield the hydrophobic core of the LRR domain. The amino acid sequences of fifty-five LRR proteins have been published. They include Nod-Like Receptors (NLRs) such as NLRP1, NLRP3, NLRP14, and Nod-2, Small Leucine Rich Repeat Proteoglycans (SLRPs) such as keratocan, lumican, fibromodulin, PRELP, biglycan, and nyctalopin, and F-box/LRR-repeat proteins such as FBXL2, FBXL4, and FBXL12. For example, 363 missense mutations have been identified. Replacement of arginine, proline, or cysteine by another amino acid, or the reverse, is frequently observed. The diverse effects of the mutations are discussed based on the known structures of LRR proteins. These mutations influence protein folding, aggregation, oligomerization, stability, protein-ligand interactions, disulfide bond formation, and glycosylation. Most of the mutations cause loss of function and a few, gain of function.
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Affiliation(s)
- Norio Matsushima
- Center for Medical Education, Sapporo Medical University, Sapporo 060-8556, Japan.,Institute of Tandem Repeats, Noboribetsu 059-0464, Japan
| | - Shintaro Takatsuka
- Center for Medical Education, Sapporo Medical University, Sapporo 060-8556, Japan
| | - Hiroki Miyashita
- Institute of Tandem Repeats, Noboribetsu 059-0464, Japan.,Hokubu Rinsho Co., Ltd, Sapporo 060-0061, Japan
| | - Robert H Kretsinger
- Department of Biology, University of Virginia, Charlottesville, VA 22904, United States
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Affiliation(s)
- Maha Othman
- a Department of Biomedical and Molecular Sciences, Faculty of Medicine , Queen's University , Kingston , Canada.,b School of Baccalaureate Nursing , St. Lawrence College , Kingston , Canada
| | - Jonas Emsley
- c School of Pharmacy, Centre for Biomolecular Sciences , University of Nottingham , Nottingham , UK
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Ali S, Ghosh K, Daly ME, Hampshire DJ, Makris M, Ghosh M, Mukherjee L, Bhattacharya M, Shetty S. Congenital macrothrombocytopenia is a heterogeneous disorder in India. Haemophilia 2016; 22:570-82. [DOI: 10.1111/hae.12917] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/11/2016] [Indexed: 11/27/2022]
Affiliation(s)
- S. Ali
- Department of Haemostasis and Thrombosis; National Institute of Immunohaematology; Parel, Mumbai
| | - K. Ghosh
- Surat Raktadan Kendra; Surat; Gujarat India
| | - M. E. Daly
- Department of Cardiovascular Science; Medical School; University of Sheffield; Sheffield UK
| | - D. J. Hampshire
- Department of Cardiovascular Science; Medical School; University of Sheffield; Sheffield UK
| | - M. Makris
- Department of Cardiovascular Science; Medical School; University of Sheffield; Sheffield UK
| | - M. Ghosh
- Department of Haematology; NRS Medical College and Hospital; Kolkata India
| | - L. Mukherjee
- Department of Haematology; NRS Medical College and Hospital; Kolkata India
| | - M. Bhattacharya
- Department of Haematology; NRS Medical College and Hospital; Kolkata India
| | - S. Shetty
- Department of Haemostasis and Thrombosis; National Institute of Immunohaematology; Parel, Mumbai
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Savoia A, Kunishima S, De Rocco D, Zieger B, Rand ML, Pujol-Moix N, Caliskan U, Tokgoz H, Pecci A, Noris P, Srivastava A, Ward C, Morel-Kopp MC, Alessi MC, Bellucci S, Beurrier P, de Maistre E, Favier R, Hézard N, Hurtaud-Roux MF, Latger-Cannard V, Lavenu-Bombled C, Proulle V, Meunier S, Négrier C, Nurden A, Randrianaivo H, Fabris F, Platokouki H, Rosenberg N, HadjKacem B, Heller PG, Karimi M, Balduini CL, Pastore A, Lanza F. Spectrum of the mutations in Bernard-Soulier syndrome. Hum Mutat 2014; 35:1033-45. [PMID: 24934643 DOI: 10.1002/humu.22607] [Citation(s) in RCA: 101] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2014] [Accepted: 06/06/2014] [Indexed: 01/05/2023]
Abstract
Bernard-Soulier syndrome (BSS) is a rare autosomal recessive bleeding disorder characterized by defects of the GPIb-IX-V complex, a platelet receptor for von Willebrand factor (VWF). Most of the mutations identified in the genes encoding for the GP1BA (GPIbα), GP1BB (GPIbβ), and GP9 (GPIX) subunits prevent expression of the complex at the platelet membrane or more rarely its interaction with VWF. As a consequence, platelets are unable to adhere to the vascular subendothelium and agglutinate in response to ristocetin. In order to collect information on BSS patients, we established an International Consortium for the study of BSS, allowing us to enrol and genotype 132 families (56 previously unreported). With 79 additional families for which molecular data were gleaned from the literature, the 211 families characterized so far have mutations in the GP1BA (28%), GP1BB (28%), or GP9 (44%) genes. There is a wide spectrum of mutations with 112 different variants, including 22 novel alterations. Consistent with the rarity of the disease, 85% of the probands carry homozygous mutations with evidence of founder effects in some geographical areas. This overview provides the first global picture of the molecular basis of BSS and will lead to improve patient diagnosis and management.
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Affiliation(s)
- Anna Savoia
- Institute for Maternal and Child Health - IRCCS "Burlo Garofolo", Trieste, Italy; Department of Medical Sciences, University of Trieste, Trieste, Italy
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Kirchmaier CM, Pillitteri D. Diagnosis and Management of Inherited Platelet Disorders. ACTA ACUST UNITED AC 2010; 37:237-246. [PMID: 21113246 DOI: 10.1159/000320257] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2010] [Accepted: 08/17/2010] [Indexed: 12/14/2022]
Abstract
In clinical daily practice the definition of a bleeding tendency is rather subjective. Clinical manifestations usually include hematoma, epistaxis, menorrhagia, and severe bleeding episodes after surgery or injuries. The most common causes are disorders of primary hemostasis that occur sometimes due to platelet function disorders. Inherited thrombocytopathies are much less frequent in comparison to acquired platelet function disorders. However, congenital disorders can lead to severe bleeding tendency and are often not diagnosed. They are induced by different platelet defects based on disorders of platelet adhesion, receptors, secretion, and signal transduction. In some cases, they are associated with thrombocytopenias, giant platelets, and various comorbidities. This article gives an overview of the different defects, their diagnosis, and treatment options.
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Affiliation(s)
- Carl Maximilian Kirchmaier
- Deutsche Klinik für Diagnostik, Sektion Innere Medizin I, Arbeitsgruppe: «Thrombose, Hämostase und vaskuläre Medizin», Wiesbaden, Germany
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A novel homozygous 8-base pair deletion mutation in the glycoprotein Ibα gene in a patient with Bernard–Soulier syndrome. Blood Coagul Fibrinolysis 2009; 20:470-4. [DOI: 10.1097/mbc.0b013e32832b27fa] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Lanza F. Bernard-Soulier syndrome (hemorrhagiparous thrombocytic dystrophy). Orphanet J Rare Dis 2006; 1:46. [PMID: 17109744 PMCID: PMC1660532 DOI: 10.1186/1750-1172-1-46] [Citation(s) in RCA: 83] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2006] [Accepted: 11/16/2006] [Indexed: 11/29/2022] Open
Abstract
Bernard-Soulier syndrome (BSS), also known as Hemorrhagiparous thrombocytic dystrophy, is a hereditary bleeding disorder affecting the megakaryocyte/platelet lineage and characterized by bleeding tendency, giant blood platelets and low platelet counts. This syndrome is extremely rare as only approximately 100 cases have been reported in the literature. Clinical manifestations usually include purpura, epistaxis, menorrhagia, gingival and gastrointestinal bleeding. The syndrome is transmitted as an autosomal recessive trait. The underlying defect is a deficiency or dysfunction of the glycoprotein GPIb-V-IX complex, a platelet-restricted multisubunit receptor required for normal primary hemostasis. The GPIb-V-IX complex binds von Willebrand factor, allowing platelet adhesion and platelet plug formation at sites of vascular injury. Genes coding for the four subunits of the receptor, GPIBA, GPIBB, GP5 and GP9, map to chromosomes 17p12, 22q11.2, 3q29, and 3q21, respectively. Defects have been identified in GPIBA, GPIBB, and GP9 but not in GP5. Diagnosis is based on a prolonged skin bleeding time, the presence of a small number of very large platelets (macrothrombocytopenia), defective ristocetin-induced platelet agglutination and low or absent expression of the GPIb-V-IX complex. Prothrombin consumption is markedly reduced. The prognosis is usually good with adequate supportive care but severe bleeding episodes can occur with menses, trauma and surgical procedures. Treatment of bleeding or prophylaxis during surgical procedures usually requires platelet transfusion.
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Abstract
Bernard-Soulier Syndrome (BSS) is an autosomal recessive bleeding disorder due to quantitative or qualitative abnormalities in the glycoprotein (GP) Ib/IX/V complex, the platelet receptor for von Willebrand factor. BSS is characterized by giant platelets, thrombocytopenia, and prolonged bleeding time, and the hallmark of this disorder is the absence of ristocetin-induced platelet agglutination. In the last 10 years, the molecular and genetic bases of many GPIb/IX/V defects have been elucidated, providing a better understanding of primary hemostasis and structure-function relations of the complex. Thus far, more than 30 mutations of the GPIbalpha, GPIbbeta, or GPIX genes have been described in BSS. Recent studies also have shown that the phenotypes caused by mutations in the subunits of the GPIb/IX/V span a wide spectrum, from the normal phenotype, to isolated giant platelet disorders/macrothrombocytopenia, to full-blown BSS and platelet-type von Willebrand disease. Although recent progress in molecular biology has clarified the genotype-phenotype relationships of the GPIb/IX/V disorders, a close examination of platelet morphology on blood smears is still indispensable for a proper diagnosis. In this review, we summarize recent advances in the molecular basis of BSS with special emphasis on giant platelets and the genetic characteristics of Japanese BSS.
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Savoia A, Balduini CL, Savino M, Noris P, Del Vecchio M, Perrotta S, Belletti S, Iolascon A. Autosomal dominant macrothrombocytopenia in Italy is most frequently a type of heterozygous Bernard-Soulier syndrome. Blood 2001; 97:1330-5. [PMID: 11222377 DOI: 10.1182/blood.v97.5.1330] [Citation(s) in RCA: 134] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
A form of autosomal dominant macrothrombocytopenia is characterized by mild or no clinical symptoms, normal platelet function, and normal megakaryocyte count. Because this condition has so far received little attention, patients are subject to misdiagnosis and inappropriate therapy. To identify the molecular basis of this disease, 12 Italian families were studied by linkage analysis and mutation screening. Flow cytometry evaluations of platelet membrane glycoproteins (GPs) were also performed. Linkage analysis in 2 large families localized the gene to chromosome 17p, in an interval containing an excellent candidate, the GPIbalpha gene. GPIbalpha, together with other proteins, constitutes the plasma von Willebrand factor (vWF) receptor, which is altered in Bernard-Soulier syndrome (BSS). In 6 of 12 families, a heterozygous Ala156Val missense substitution was identified. Platelet membrane GP studies were performed in 10 patients. Eight were distinguished by a reduction of GPs comparable to that found in a BSS heterozygous condition, whereas the other 2, without the Ala156Val mutation, had a normal content of platelet GPs. In conclusion, the current study provides evidence that most (10 of 12) patients with an original diagnosis of autosomal dominant macrothrombocytopenia shared clinical and molecular features with the heterozygous BSS phenotype. The remaining 2 affected subjects represented patients with "true" autosomal dominant macrothrombocytopenia; the GPIb/IX/V complex was normally distributed on the surface of their platelets. Thus, the diagnosis of heterozygous BSS must always be suspected in patients with inherited thrombocytopenia and platelet macrocytosis.
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Affiliation(s)
- A Savoia
- Medical Genetics Service, IRCCS Hospital CSS, Foggia, Italy
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Antonucci JV, Martin ES, Hulick PJ, Joseph A, Martin SE. Bernard-Soulier syndrome: common ancestry in two African American families with the GP Ib alpha Leu129Pro mutation. Am J Hematol 2000; 65:141-8. [PMID: 10996832 DOI: 10.1002/1096-8652(200010)65:2<141::aid-ajh9>3.0.co;2-h] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Bernard-Soulier syndrome (BSs) is a rare bleeding disorder characterized by circulating giant platelets, thrombocytopenia, and a prolonged bleeding time. BSs usually has an autosomal recessive inheritance pattern, with a preponderance of Caucasian and Japanese ancestry when the ethnic background has been reported. Underlying this disorder of platelet function is a defect in the platelet glycoprotein (GP) Ib-IX-V complex, composed of four polypeptides, GP Ib alpha, GP Ib beta, GP IX, and GP V. Molecular characterization of individuals with BSs has identified mutations in the GP Ib alpha, GP Ib beta, and GP IX genes responsible for the expressed phenotype. In this study, we report a family of African-American descent, with autosomal recessive BSs showing a point mutation in codon 129 of the GP Ib alpha gene. This mutation, CTC:wild-type to CCC:mutant, is similar to that of another African American family where the resulting leucine to proline substitution in the 5(th) leucine-rich repeat of GP Ib alpha is responsible for the observed BSs phenotype. Comparison of the intragenic polymorphisms of GP Ib alpha, as well as microsatellite markers in a 17.5 cM region of chromosome 17p12 that contains the GP Ib alpha gene, suggests that, although socially unrelated, the Leu129Pro mutation in these two families has a common founder.
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Affiliation(s)
- J V Antonucci
- Department of Medicine, Christiana Care Health System, Wilmington, Delaware, USA
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Afshar-Kharghan V, Craig FE, López JA. Bernard-Soulier syndrome in a patient doubly heterozygous for two frameshift mutations in the glycoprotein ib alpha gene. Br J Haematol 2000; 110:919-24. [PMID: 11054083 DOI: 10.1046/j.1365-2141.2000.02261.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
We report here the genetic basis of Bernard-Soulier syndrome in a compound heterozygote for two mutant glycoprotein (GP) Ib alpha alleles. One allele contained a novel four base-pair deletion (TGAG) that eliminated the last base of the codon for Ser39 (AGT) and the entire codon for Glu40 (GAG), causing a reading frame shift that yielded a stretch of 51 amino acids before a premature stop codon. The other allele also contained a frame-shift mutation, caused by deletion of the last two bases of the codon for Tyr492 (TAT). This allele produced a truncated glycoprotein Ib alpha that, although not expressed on the surface of the patient's platelets, was detectable in the plasma. The second allele has been identified previously by our group and other investigators as the cause of Bernard-Soulier syndrome in patients of northern European ancestry. This allele carried a haplotype identical to those of the previously reported cases, with the following polymorphic markers: two tandem repeats in the VNTR region, C at nucleotide -5 from the ATG start codon and a substitution of G for A in the third base for codon Arg342. These findings suggest that this particular Bernard-Soulier mutation occurred once on the background of a rare haplotype and has spread throughout the northern European population.
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Affiliation(s)
- V Afshar-Kharghan
- Division of Hematology/Oncology, Department of Internal Medicine, Baylor College of Medicine, Houston, TX 77030, USA
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