201
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Wautier JL, Gruel Y. [Glanzmann's thrombasthenia. A rare but exemplary disease]. Rev Prat 1993; 43:1963-5. [PMID: 8310253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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202
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Li L, Bray PF. Homologous recombination among three intragene Alu sequences causes an inversion-deletion resulting in the hereditary bleeding disorder Glanzmann thrombasthenia. Am J Hum Genet 1993; 53:140-9. [PMID: 8317479 PMCID: PMC1682221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
The crucial role of the human platelet fibrinogen receptor in maintaining normal hemostasis is best exemplified by the autosomal recessive bleeding disorder Glanzmann thrombasthenia (GT). The platelet fibrinogen receptor is a heterodimer composed of glycoproteins IIb (GPIIb) and IIIa (GPIIIa). Platelets from patients with GT have a quantitative or qualitative abnormality in GPIIb and GPIIIa and can neither bind fibrinogen nor aggregate. Very few genetic defects have been identified that cause this disorder. We describe a kindred with GT in which the affected individuals have a unique inversion-deletion mutation in the gene for GPIIIa. Patient platelets lacked both GPIIIa protein and mRNA. Southern blots of patient genomic DNA probed with an internal 1.0-kb GPIIIa cDNA suggested a large rearrangement of this gene but were normal when probed with small GPIIIa cDNA fragments that were outside the mutation. Cytogenetics and pulsed-field gel analysis of the GPIIIa gene were normal, making a translocation or a very large rearrangement unlikely. Additional Southern analyses suggested that the abnormality was not a small insertion. We constructed a patient genomic DNA library and isolated fragments containing the 5' and 3' breakpoints of the mutation. The nucleotide sequence from these genomic clones was determined and revealed that, relative to the normal gene, the mutant allele contained a 1-kb deletion immediately preceding a 15-kb inversion. The DNA breaks occurred in two inverted and one forward Alu sequence within the gene for GPIIIa and in the left, right, and left arms, respectively, of these sequences. There was a 5-bp repeat at the 3' terminus of the inversion.(ABSTRACT TRUNCATED AT 250 WORDS)
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Affiliation(s)
- L Li
- Department of Medicine, Johns Hopkins University Medical School, Baltimore, MD 21205
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203
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Simsek S, Heyboer H, de Bruijne-Admiraal LG, Goldschmeding R, Cuijpers HT, von dem Borne AE. Glanzmann's thrombasthenia caused by homozygosity for a splice defect that leads to deletion of the first coding exon of the glycoprotein IIIa mRNA. Blood 1993; 81:2044-9. [PMID: 8471765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Glanzmann's thrombasthenia (GT) is the result of the absence or of an altered and dysfunctional expression on the platelet membrane of the fibrinogen receptor (glycoprotein [GP] IIb/IIIa complex). Various molecular genetic mechanisms have been found to be responsible for this inherited disease. In a patient with a severe type of GT, we have found a splice variant in the GP IIIa gene that leads to premature chain termination. Immunoprecipitation experiments, using monoclonal antibodies specific for GP IIb/IIIa, showed that GP IIb/IIIa was not detectable on the platelet membrane. Amplification of reversely transcribed platelet GP IIIa mRNA by the polymerase chain reaction and subsequent sequence analysis showed a 86-bp deletion, which corresponds to exon i of the GP IIIa gene. This deletion results in a shift of the reading frame leading to eight altered amino acids followed by a premature termination codon. Analysis of the corresponding genomic DNA fragments showed three mutations in the exon i-intron i boundary region of the GP IIIa gene. One of these mutations is a G-->T transition that eliminates the GT splice donor site in the wild type. This base pair change creates a restriction site for the enzyme Mse I. Allele-specific restriction enzyme analysis (ASRA) with Mse I of amplified genomic DNA of the parents and the proposita showed that both parents (who are first cousins) are heterozygous, whereas the proposita is homozygous for the G-->T substitution.
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Affiliation(s)
- S Simsek
- Department of Immunological Haematology, Central Laboratory of the Netherlands, Red Cross Blood Transfusion Service, Amsterdam
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204
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Gu JM, Xu WF, Wang XD, Wu QY, Chi CW, Ruan CG. Identification of a nonsense mutation at amino acid 584-arginine of platelet glycoprotein IIb in patients with type I Glanzmann thrombasthenia. Br J Haematol 1993; 83:442-9. [PMID: 8485050 DOI: 10.1111/j.1365-2141.1993.tb04669.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Using Southern blot, the restriction digests of genomic DNAs in 11 patients with Glanzmann thrombasthenia from 10 unrelated kindreds were probed with a full-length GPIIb cDNA. An additional 2.3 kb Taq I fragment and two 1.65 kb and 0.65 kb fragments with reduced band intensity were found in the genes of two affected siblings from a family originating from the city of Huang Yan in the Zhejiang province. The Taq I digest of the abnormal gene was further probed with three portions of GPIIb cDNA, revealing that the heterozygous mutation was present in the region around exons 15-17 of the GPIIb gene. Two primers for polymerase chain reaction (PCR) were then designed, and a 394 bp PCR product was generated and sequenced, indicating that a stop codon (TGA) was substituted for an Arg codon (CGA) at amino acid position 584 of GPIIb, and resulted in a premature termination of translation and production of a shortened protein. The Western blot analysis showed that GPIIIa at the platelet surface was apparently deficient, it may be ascribed to the rapid turn-over of GPIIIa uncomplexed with the truncated GPIIb. The abnormal 2.3 kb Taq I fragment was used as a specific genetic marker to detect the carrier status of the patient family. The abnormal allele was proved to be derived from the mother, the two affected siblings are double heterozygotes, and one clinically unaffected daughter has also inherited this defective allele, while the father carries another recessive abnormal allele unidentified.
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Affiliation(s)
- J M Gu
- Jiangsu Institute of Haematology, Suzhou Medical College, China
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205
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Cieutat AM, Rosa JP, Boffa MC. Detection of GPIIIa (integrin beta 3 subunit) transcripts in human megakaryocytes by in situ hybridization on bone marrow. Histopathology 1993; 22:179-82. [PMID: 7681029 DOI: 10.1111/j.1365-2559.1993.tb00100.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- A M Cieutat
- Institut National de la Sante et de la Recherche Medicale, Hôpital Lariboisière, Paris, France
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206
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Ruan C, Gu J, Wang X, Chu X, Pan J. Application of GPIIIa gene Taq I polymorphism to determination of carrier status in Glanzmann's thrombasthenia families of Chinese origin. Thromb Haemost 1993; 69:64-9. [PMID: 8095357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Glanzmann's thrombasthenia is a bleeding disorder caused by qualitative and/or quantitative defects of platelet membrane glycoprotein (GP) IIb/IIIa complex. The disease is inherited in an autosomal recessive manner. In this paper, cDNA probes were used to study restriction fragment length polymorphisms (RFLPs) in GPIIIa gene. A Taq I polymorphism was identified and this RFLP was composed of variant bands of 6.5 Kb/4.0 and 2.5 Kb with a frequency of 0.46/0.54 in Chinese population. The Taq I polymorphism was further localized by polymerase chain reaction (PCR) method to exon VIII of the GPIIIa gene. In two Glanzmann's thrombasthenia families, the Taq I RFLP studied by both Southern blotting and PCR methods identified the defective GPIIIa gene inherited by patients, and determined the genotype of asymptomatic subjects. Analysis of this Taq I polymorphism by PCR method should be potentially useful in future for the carrier detection and prenatal diagnosis in Glanzmann's thrombasthenia families.
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Affiliation(s)
- C Ruan
- Jiangsu Institute of Haematology, Suzhou Medical College, The People's Republic of China
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207
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Mousa SA, Reilly TM. Pharmacological blockade of platelet GPIIb/IIIa and the inherited disorders of the platelet GPIIb/IIIa (Glanzmann's thrombasthenia): how safe is this antithrombotic approach for both acute and chronic treatment of thromboembolic disorders? Brief communication. Cardiology 1993; 83:36-7. [PMID: 8261484 DOI: 10.1159/000175945] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- S A Mousa
- Du Pont Merck Pharmaceutical Company, Cardiovascular Diseases Research, Wilmington, Del 19880-0400
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208
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Kato A, Yamamoto K, Aoki N. Classification of Glanzmann's thrombasthenia based on the intracellular transport pathway of GPIIb-IIIa. Thromb Haemost 1992; 68:615-6. [PMID: 1455408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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209
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Chen YP, Djaffar I, Pidard D, Steiner B, Cieutat AM, Caen JP, Rosa JP. Ser-752-->Pro mutation in the cytoplasmic domain of integrin beta 3 subunit and defective activation of platelet integrin alpha IIb beta 3 (glycoprotein IIb-IIIa) in a variant of Glanzmann thrombasthenia. Proc Natl Acad Sci U S A 1992; 89:10169-73. [PMID: 1438206 PMCID: PMC50299 DOI: 10.1073/pnas.89.21.10169] [Citation(s) in RCA: 179] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Integrins are membrane receptors which mediate cell-cell or cell-matrix adhesion. Integrin alpha IIb beta 3 (glycoprotein IIb-IIIa) acts as a fibrinogen receptor of platelets and mediates platelet aggregation. Platelet activation is required for alpha IIb beta 3 to shift from noncompetent to competent for binding soluble fibrinogen. The steps involved in this transition are poorly understood. We have studied a variant of Glanzmann thrombasthenia, a congenital bleeding disorder characterized by absence of platelet aggregation and fibrinogen binding. The patient's platelets did not bind fibrinogen after platelet activation by ADP or thrombin, though his platelets contained alpha IIb beta 3. However, isolated alpha IIb beta 3 was able to bind to an Arg-Gly-Asp-Ser affinity column, and binding of soluble fibrinogen to the patient's platelets could be triggered by modulators of alpha IIb beta 3 conformation such as the Arg-Gly-Asp-Ser peptide and alpha-chymotrypsin. These data suggested that a functional Arg-Gly-Asp binding site was present within alpha IIb beta 3 and that the patient's defect was not secondary to a blockade of alpha IIb beta 3 in a noncompetent conformational state. This was evocative of a defect in the coupling between platelet activation and alpha IIb beta 3 up-regulation. We therefore sequenced the cytoplasmic domain of beta 3, following polymerase chain reaction (PCR) on platelet RNA, and found a T-->C mutation at nucleotide 2259, corresponding to a Ser-752-->Pro substitution. This mutation is likely to be responsible for the uncoupling of alpha IIb beta 3 from cellular activation because (i) it is not a polymorphism, (ii) it is the only mutation in the entire alpha IIb beta 3 sequence, and (iii) genetic analysis of the family showed that absence of the Pro-752 beta 3 allele was associated with the normal phenotype. Our data thus identify the C-terminal portion of the cytoplasmic domain of beta 3 as an intrinsic element in the coupling between alpha IIb beta 3 and platelet activation.
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Affiliation(s)
- Y P Chen
- Unité 348 de l'Institut National de la Santé et de la Recherche Médicale, Hôpital Lariboisière, Paris, France
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210
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Ruan CG, Gu JM, Li JY. [Molecular pathology of inherited Glanzmann's thrombasthenia. Report of 11 cases]. Zhonghua Nei Ke Za Zhi 1992; 31:639-41, 659. [PMID: 1306460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Glycoprotein IIb-IIIa (GPIIb-IIIa) concentration was studied in 11 patients with Glanzmann's thrombasthenia (GT) with sensitive Western blotting technique. 7 patients with severe GPIIb-IIIa deficiency (less than 10% of the normal) were designated as type I (64% of patients), 2 patients with moderate GPIIb-IIIa deficiency (10-25% of the normal) as type II (18%) and 2 patients with GPIIb-IIIa 40-100% of the normal as variants (18%). Southern Blotting was used to analyze the GPIIb and GPIIIa genes in the 11 patients. The results showed that there were no major deletions or insertions in either the GPIIb or GPIIIa genes. However, a small change in GPIIb gene was demonstrated in two sibling patients and the abnormality of GPIIIa gene was found in another two patients. These observations combined with those from literature provide a basis for discussing the molecular pathology of Glanzmann's thrombasthenia.
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Affiliation(s)
- C G Ruan
- Jiangsu Institute of Hematology, Thrombosis and Haemostasis Research Unit, Suzhou Medical College
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211
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Perutelli P, Mori PG. Biochemical and molecular basis of Glanzmann's thrombasthenia. Haematologica 1992; 77:421-6. [PMID: 1483593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Glanzmann's thrombasthenia is a rare autosomal recessive bleeding disorder characterized by a quantitative deficiency or a functional abnormality of the major platelet membrane integrin receptor: the glycoprotein (GP) IIb/IIIa complex. The GPIIb/IIIa complex functions as a platelet receptor for fibrinogen, von Willebrand factor, fibronectin and vitronectin; therefore it plays an important role in platelet adhesion and aggregation. Thrombasthenic platelets are severely deficient in GPIIb/IIIa content or function, and fail to aggregate and form the hemostatic plug at the site of vessel injury. On the other hand, heterozygous subjects (having about half the number of normal GPIIb/IIIa complexes) do not show bleeding problems. It has been demonstrated that a molecular defect affecting one of the two GP coding genes is sufficient to determine a contemporary deficit of both GPIIb and GPIIIa, and hence the thrombasthenic phenotype. Up to now, few molecular abnormalities giving rise to Glanzmann's thrombasthenia have been characterized. Large rearrangements within the GPIIb or GPIIIa coding genes appear to be unusual, whereas small modifications in the nucleotide sequence of the coding regions occur with higher frequency.
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Affiliation(s)
- P Perutelli
- Laboratorio di Ematologia, Istituto G. Gaslini, Genova, Italy
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212
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Abstract
The purpose of the present study was to investigate the binding of fibrinogen to the platelet fibrinogen receptor. Glycoprotein (GP) IIIa was measured utilizing a fluorescein isothiocyanate (FITC)-labelled monoclonal antibody and an Ortho Spectrum III flow cytometer. The number of binding sites per platelet was calculated to be 30,200. Using this technique it appears possible not only to diagnose Glanzmann's thrombasthenia but also to identify carriers. In uremic patients a slightly lower number of GPIIIa molecules per cell than in control subjects was found. Treatment with erythropoietin had no significant effect on the expression of GPIIIa. Thrombin, and to a less extent ADP, increased the binding of FITC-conjugated fibrinogen to normal platelets but had no significant effect on the expression of GPIIIa.
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Affiliation(s)
- T L Lindahl
- Department of Clinical Chemistry, Akademiska Hospital, Uppsala, Sweden
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213
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Agarwal MB, Agarwal UM, Viswanathan C, Bhave AA, Billa V. Glanzmann's thrombasthenia. Indian Pediatr 1992; 29:837-41. [PMID: 1428131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
During January 1981 to June 1991, 20 patients from 16 unrelated families were detected to have Glanzmann's thrombasthenia (GT). Twelve families (75%) had history of consanguinity, with 6 first cousins and 3 uncle-niece marriages; of these 7 were Muslims, 6 Hindus and 3 Christians. There were 12 girls and 8 boys; the mean age at diagnosis was 7.05 +/- 6.03 yr (range 1 day-22 yr). All cases had initial bleeding prior to the age of 5 yr with the mean age at the initial episode of bleeding being 2.21 +/- 1.34 yr (range 1 day-5 yr). Common pattern of bleeding included epistaxis, gingival bleeding, post-traumatic bruises, menorrhagia, gastrointestinal (2 cases), post-operative (2 cases) and spontaneous bleeding (2 cases). No patient showed hemarthrosis, intracranial bleeding or hemoptysis. Menorrhagia was a serious problem necessitating repeated transfusions and hormonal therapy. Twelve cases (60%) required 1-120 units of blood transfusions while five received platelet concentrates.
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Affiliation(s)
- M B Agarwal
- Department of Hematology, L.T.M.G. Hospital, Dadar, Bombay
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214
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Kato A, Yamamoto K, Miyazaki S, Jung SM, Moroi M, Aoki N. Molecular basis for Glanzmann's thrombasthenia (GT) in a compound heterozygote with glycoprotein IIb gene: a proposal for the classification of GT based on the biosynthetic pathway of glycoprotein IIb-IIIa complex. Blood 1992; 79:3212-8. [PMID: 1317725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
The genetic basis for Glanzmann's thrombasthenia (GT) was elucidated on a compound heterozygote with glycoprotein (GP)IIb gene: an opal mutation at the end of exon 17 (CGA----TGA) results in only a trace amount of GPIIb mRNA, and a splicing mutation at the acceptor site of exon 26 (CAG----GAG) causes an in-frame, exon skipping process from exon 25 to 27. This aberrant transcript encodes a single-chain polypeptide characterized by a 42-amino acid deletion, which includes the proteolytic cleavage site(s) and a unique, proline-rich region at the location corresponding to the carboxyl-terminal of the normal GPIIb alpha-chain. These characteristics are shared by a previously reported defective GPIIb molecule, which is neither assembled with GPIIIa nor transported to the cellular surface. Despite its normal transcription level, expression of the present defective GPIIb molecule was significantly decreased (approximately 6% of the control level). Because the precursor GPIIb molecule is assembled with GPIIIa in the endoplasmic reticulum (ER) and its processing, as well as stability, is dependent on the GPIIIa subunit, the defective GPIIb molecule may be rapidly degraded by the intrinsic quality control system of the ER due to its inability to form a stable heterodimer complex as a consequence of its misfolded structure. Although we did not confirm that the GPIIIa genes of this individual were normal, GPIIIa may be secondarily decreased (approximately 11% of control), because a large part of it could not be complexed, making it vulnerable to proteolysis. To elucidate the molecular basis for GT, we propose here a classification of GT based on the biosynthetic pathway of the GPIIb-IIIa complex.
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Affiliation(s)
- A Kato
- First Department of Internal Medicine, Tokyo Medical and Dental University, Japan
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215
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Lanza F, Stierlé A, Fournier D, Morales M, André G, Nurden AT, Cazenave JP. A new variant of Glanzmann's thrombasthenia (Strasbourg I). Platelets with functionally defective glycoprotein IIb-IIIa complexes and a glycoprotein IIIa 214Arg----214Trp mutation. J Clin Invest 1992; 89:1995-2004. [PMID: 1602006 PMCID: PMC295902 DOI: 10.1172/jci115808] [Citation(s) in RCA: 99] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
We describe a new variant of Glanzmann's thrombasthenia (variant Strasbourg I). The patient (M.S.) showed an absence of platelet aggregation to ADP, thrombin, and collagen, and a decreased clot retraction. Platelet fibrinogen was approximately 20% of normal levels. ADP-stimulated platelets bound markedly reduced amounts of soluble fibrinogen and platelet adhesion to surface-bound fibrinogen was defective. Normal to subnormal amounts of glycoprotein (GP) IIb-IIIa (alpha IIb beta 3) complexes, the platelet fibrinogen receptor, were revealed by SDS-PAGE, crossed immunoelectrophoresis, and antibody binding. However, the complexes were unusually sensitive to dissociation with EDTA at room temperature. Furthermore, flow cytometry showed that the platelets failed to bind the activation-dependent monoclonal antibody, PAC-1, after stimulation. In contrast, an RGDS-containing peptide induced significant binding of the anti-ligand-induced binding site antibody, D3GP3, suggesting the presence of a functional RGD binding domain on the patient's GPIIb-IIIa complex. Sequence analysis was performed after polymerase chain reaction amplification of selected patient's GPIIIa exons, and of the patient's platelet GPIIb and GPIIIa mRNAs. A point mutation (C to T) was localized in exon D (iv) of GPIIIa that resulted in an 214Arg to 214Trp amino acid substitution. The defect has been inherited from the parents who are heterozygous for the same mutation. This substitution points to an essential amino acid in a region of GPIIIa involved in the binding of fibrinogen and influencing the Ca(2+)-dependent stability of the GPIIb-IIIa complex.
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Affiliation(s)
- F Lanza
- Institut National de la Santé et de la Recherche Médicale Unité 311, Centre Régional de Transfusion Sanguine, Strasbourg, France
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216
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Pande H, Chester A, Lie H, Thorsby E, Stormorken H. Concomitant occurrence of mucopolysaccharidosis IIIB and Glanzmann's thrombasthenia. Further evidence of a hyperactive alpha-N-acetylglucosaminidase-producing allele. Clin Genet 1992; 41:243-7. [PMID: 1606713 DOI: 10.1111/j.1399-0004.1992.tb03674.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
A daughter of first cousins had two extremely rare, recessive disorders: thrombasthenia (Glanzmann's disease, glycoprotein IIb/IIIa deficiency) and mucopolysaccharidosis IIIB, (Sanfilippo B syndrome, alpha-N-acetylglucosaminidase (NAG) deficiency). Normal alpha-N-acetylglucosaminidase activity was observed in two obligate heterozygotes (the proband's father and her maternal grandmother), suggesting that in addition to the normal and defective alleles, a third, hyperactive allele is also present in this family. Such a hyperactive allele seems to be quite prevalent in our area, and makes the biochemical identification of heterozygotes impossible if no extensive family surveys provide additional clues. There was no linkage between the two diseases, nor between any of them and several blood-groups and HLA-antigens tested for.
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Affiliation(s)
- H Pande
- Bodö County Hospital, Norway
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217
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Jallu V, Pico M, Chevaleyre J, Vézon G, Kunicki TJ, Nurden AT. Characterization of an antibody to the integrin beta 3 subunit (GP IIIa) from a patient with neonatal thrombocytopenia and an inherited deficiency of GP IIb-IIIa complexes in platelets (Glanzmann's thrombasthenia). Hum Antibodies Hybridomas 1992; 3:93-106. [PMID: 1633270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Patient A.F. is a 28-year-old polytransfused woman with an inherited bleeding disorder, Glanzmann's thrombasthenia. An abnormal platelet function is linked to severe decreases in the platelet content of the integrins GP IIb and GP IIIa. In 1987 the patient gave birth to a child with severe anemia and thrombocytopenia. Serological tests revealed the presence of anti-platelet antibody together with an anti-Rhesus D. Western blotting identified a major antibody that reacted with a protein of 90-95 kDa present in platelets and endothelial cells. This was identified as the beta 3 integrin subunit (GP IIIa). Antibody-binding required intact disulfides, while controlled digestion with proteases showed the determinant(s) to be retained within chymotrypsin- (50, 63 kDa) and Staphylococcus aureus V8 protease-derived (25-38 kDa) fragments of GP IIIa. Direct binding assays performed in the presence of monoclonal antibodies specific for different epitopes on GP IIb-IIIa complexes confirmed that the epitope was exposed on intact platelets and revealed a specific inhibition of A.F. IgG binding by the monoclonal antibody, AP-3. Other tests confirmed that the antibody reacted independently of the PlA or Pen polymorphisms carried by GP IIIa. IgG purified from A.F. plasma by adsorption and elution from paraformaldehyde-fixed normal platelets or electrophoretically separated GP IIIa was an inhibitor of ADP-induced platelet aggregation. Unexpectedly, Western blotting showed trace amounts of abnormally migrating GP IIIa in A.F. platelets, which retained an ability to react with her antibody. This suggests that the patient has formed an autoantibody reactive with an active site of the beta 3 integrin subunit and linked to the development of neonatal thrombocytopenia.
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Affiliation(s)
- V Jallu
- URA 1464 CNRS, Université de Bordeaux II, Hôpital Cardiologique, Pessac, France
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218
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Bajt ML, Ginsberg MH, Frelinger AL, Berndt MC, Loftus JC. A spontaneous mutation of integrin alpha IIb beta 3 (platelet glycoprotein IIb-IIIa) helps define a ligand binding site. J Biol Chem 1992; 267:3789-94. [PMID: 1371279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/25/2023] Open
Abstract
This work characterizes a mutant integrin alpha IIb beta 3 (glycoprotein (GP) IIb-IIIa) from a thrombasthenic patient, ET, whose platelets fail to aggregate in response to stimuli. The nature of defect was defined by the reduced ability of synthetic peptide ligands, corresponding to the carboxyl terminus of the fibrinogen gamma chain (gamma 402-411) and Arg-Gly-Asp (RGD), to increase the binding of the occupancy-dependent anti-LIBS1 antibody to mutant alpha IIb beta 3 and the reduced binding of mutant alpha IIb beta 3 to an immobilized RGD peptide. In addition, ET's platelets failed to bind the ligand-mimetic monoclonal anti-alpha IIb beta 3, PAC1. DNA sequence analysis of amplified ET genomic DNA revealed a single G----A base change which encoded substitution of R214 by Q in mature beta 3. Introduction of this point mutation into recombinant wild type alpha IIb beta 3 expressed in Chinese hamster ovary cells reproduced the ET platelet alpha IIb beta 3 deficits in binding of fibrinogen, mAb PAC1, and synthetic peptide ligands. Furthermore, substitution of R214 by Q in the synthetic peptide containing the sequence of beta 3(211-222) resulted in decreased ability of this peptide to block fibrinogen binding to purified alpha IIb beta 3. These findings suggest that substitution of beta 3 R214 by Q is responsible for the functional defect in alpha IIb beta 3 and that R214 is proximal to or part of a ligand binding domain in alpha IIb beta 3.
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Affiliation(s)
- M L Bajt
- Committee on Vascular Biology, Scripps Research Institute, La Jolla, California 92037
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219
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Musiał J, Krzanowski M, Judkiewicz L, Cierniewski C. [Familial occurrence of Glanzmann thrombasthenia]. Pol Tyg Lek 1992; 47:138-40. [PMID: 1437802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Glanzmann's thrombasthenia, known also as Glanzmann's disease, is an autosomally inherited hemorrhagic disease with unique abnormalities of platelet functions. Authors present a large family in which Glanzmann's disease was diagnosed in the father and two sons. An analysis of platelet membranes enabled diagnosis of Glanzmann's thrombasthenia type II. A decrease in clot contractibility, fibrinogen binding to blood platelets, and decreased glycoprotein IIb and IIIa levels with marked impairment of GP IIb and IIIa complexes formation were characteristic for affected family members. One daughter died 8 days after birth with the symptoms of hemorrhagic diathesis. Mother and remaining three sons are healthy without the signs of Glanzmann's disease.
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Affiliation(s)
- J Musiał
- Kliniki Alergii i Immunologii AM, Krakowie
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220
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Yasunaga M, Ryo R, Adachi M, Sugano W, Yoshida A, Nakayama K, Saigo K, Yasunaga K, Yamaguchi N. [Analysis of the GPIIb and GPIIIa genes in patients with Glanzmann's thrombasthenia]. Rinsho Ketsueki 1992; 33:133-8. [PMID: 1635160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Glanzmann's thrombasthenia (GT) is an autosomal recessive bleeding disorder due to a deficiency or abnormality of glycoproteins (GPs) IIb and IIIa, but its genetic basis remains to be determined. We analyzed the genes for GPIIb and 3'GPIIIa in 3 patients with GT and in 7 control subjects by Southern blot. No large deletions or insertions were detected in these genes in any patient with GT. Furthermore, the GPIIb and GPIIIa mRNAs derived from the platelets of patients with GT could be amplified using the reverse transcriptase-polymerase chain reaction (RT-PCR). This finding indicates that the mRNAs of the patients with GT are considered to be normally transcribed. The molecular defects of the GPIIb.
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Affiliation(s)
- M Yasunaga
- Department of Clinical Laboratory Medicine, Kobe University School of Medicine
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221
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Perutelli P, Marchese P, Mori PG. Diagnosis of Glanzmann's thrombasthenia and carrier detection using monoclonal antibodies to platelet glycoprotein IIb and IIIa in immunoblotting. Haemostasis 1992; 22:330-3. [PMID: 1478543 DOI: 10.1159/000216343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Glanzmann's thrombasthenia is a rare hemorrhagic syndrome, characterized by a quantitative or functional defect of the platelet glycoprotein GPIIb-IIIa complex. The authors describe a method to diagnose thrombasthenic patients and identify carrier subjects by using monoclonal antibodies specific for GPIIb and GPIIIa in an immunoblotting technique. The immunoreaction patterns of two thrombasthenic patients lacking GPIIb or GPIIIa, respectively, are shown. The described method produces further evidence concerning the biochemical heterogeneity of Glanzmann's thrombasthenia.
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Affiliation(s)
- P Perutelli
- Department of Pediatric Hematology and Oncology, G. Gaslini Children's Hospital, Genoa, Italy
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222
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Mehta S, Mehta S, Bhandari S. Glanzmann's thrombasthenia--a case report. J Indian Med Assoc 1991; 89:339-40. [PMID: 1816315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- S Mehta
- Department of Medicine, SMS Medical College and Hospital, Jaipur
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223
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Gu J. [Carrier detection of Glanzmann's thrombasthenia by Taq I restriction fragment length polymorphism of GPIIIa gene]. Zhonghua Yi Xue Za Zhi 1991; 71:680-2, 46. [PMID: 1687449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Glanzmann's thrombasthenia (GT) is an autosomal recessive bleeding disorder in which platelets fail to aggregate in second hemostasis due to qualitative and/or quantitative defect in their GPIIb/IIIa complex. In the present study, both phenotypic and genotypic assays were performed by Western blot and Southern blot techniques in 13 members of 3 GT families. 2 GT carriers of 3 probable carriers whose clinical features and GPIIb/IIIa protein were essentially normal were determined by Taq I/5' GPIIIa RFLP. There were no major deletion or insertion in GPIIIa gene in 4 patients with GT. Thus, the genetic defects in these patients is most likely due to a small change or point mutation in the nucleotide sequence of GPIIIa coding region.
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224
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Coller BS, Seligsohn U, West SM, Scudder LE, Norton KJ. Platelet fibrinogen and vitronectin in Glanzmann thrombasthenia: evidence consistent with specific roles for glycoprotein IIb/IIIA and alpha v beta 3 integrins in platelet protein trafficking. Blood 1991; 78:2603-10. [PMID: 1726706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
To assess the individual contributions of the platelet glycoprotein (GP) IIb/IIIa receptor and the alpha v beta 3 vitronectin receptor to platelet levels of fibrinogen and vitronectin, we analyzed the platelets from two groups of Glanzmann thrombasthenic patients: Iraqi-Jews, whose platelets lack both receptors, and Arab patients in Israel, whose platelets lack GPIIb/IIIa, but have normal or increased numbers of alpha v beta 3 vitronectin receptors. The platelets from both thrombasthenic groups had profound deficiencies of fibrinogen, but the defect in the Iraqi-Jewish patients' platelets appeared to be slightly more severe. This finding indicates that GPIIb/IIIa is the major determinant of platelet fibrinogen, presumably acting by receptor-mediated uptake, and that the alpha v beta 3 vitronectin receptor plays little or no role. Arab patients' platelets have normal amounts of platelet vitronectin, whereas Iraqi-Jewish patients' platelets have nearly five times as much vitronectin as control or Arab patients' platelets. To account for these data, we propose a working hypothesis in which vitronectin is synthesized in megakaryocytes and the alpha v beta 3 vitronectin receptor is involved in transport of the protein out of megakaryocytes and/or platelets. Collectively, these observations suggest that in addition to their recognized roles in cell adhesion and in the interaction of cells with extracellular proteins, integrin receptors may be important in protein trafficking into, and perhaps out of, platelets.
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Affiliation(s)
- B S Coller
- Department of Medicine, State University of New York, Stony Brook 11794
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225
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Peretz H, Seligsohn U, Zwang E, Coller BS, Newman PJ. Detection of the Glanzmann's thrombasthenia mutations in Arab and Iraqi-Jewish patients by polymerase chain reaction and restriction analysis of blood or urine samples. Thromb Haemost 1991; 66:500-4. [PMID: 1796402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Severe Glanzmann's thrombasthenia is relatively frequent in Iraqi-Jews and Arabs residing in Israel. We have recently described the mutations responsible for the disease in Iraqi-Jews--an 11 base pair deletion in exon 12 of the glycoprotein IIIa gene, and in Arabs--a 13 base pair deletion at the AG acceptor splice site of exon 4 on the glycoprotein IIb gene. In this communication we show that the Iraqi-Jewish mutation can be identified directly by polymerase chain reaction and gel electrophoresis. With specially designed oligonucleotide primers encompassing the mutation site, an 80 base pair segment amplified in healthy controls was clearly distinguished from the 69 base pair segment produced in patients. Patients from 11 unrelated Iraqi-Jewish families had the same mutation. The Arab mutation was identified by first amplifying a DNA segment consisting of 312 base pairs in controls and of 299 base pairs in patients, and then digestion by a restriction enzyme Stu-1, which recognizes a site that is absent in the mutant gene. In controls the 312 bp segment was digested into 235 and 77 bp fragments, while in patients there was no change in the size of the amplified 299 bp segment. The mutation was found in patients from 3 out of 5 unrelated Arab families. Both Iraqi-Jewish and Arab mutations were detectable in DNA extracted from blood and urine samples. The described simple methods of identifying the mutations should be useful for detection of the numerous potential carriers among the affected kindreds and for prenatal diagnosis using DNA extracted from chorionic villi samples.
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Affiliation(s)
- H Peretz
- Chemistry Laboratory, Sourasky-Tel Aviv Medical Center, Israel
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226
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Kinoshita S, Yoshioka K, Shindo T, Kasahara M, Tanaka K. [Flow cytometric analysis of platelets in patients with Glanzmann's thrombasthenia]. Rinsho Ketsueki 1991; 32:951-7. [PMID: 1942540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Platelets from 10 patients with Glanzmann's thrombasthenia (7 patients with type I and 3 with type II) and their 18 family members (11 parents, 6 siblings and one daughter) were analyzed by flow cytometry using 3 different commercially available FITC-labeled monoclonal antibodies. The amount of platelet GPIIbIIIa was calculated by using the ratio of the fluorescence intensity of the mean channel in comparison to normal platelets. The amount of platelet GPIIbIIIa was lower than 19% in 6 patients with type I and one patient with type II thrombasthenia. One type I patient had a 46.5% GPIIbIIIa amount as assessed using the monoclonal antibody TP80 (Nichirei Corp. Japan) which recognized GPIIb, although the other 2 antibodies showed an amount of less than 5%. One type II patient showed the following results: 30.9% (TP80), 28.2% (P2 antibody, Immunotech, France), and 3.9% (PLT1, Coulter Immunology, USA). The remaining type II patient consistently showed a normal amount of platelet GPIIbIIIa using all antibodies, appeared to be a variant form of thrombasthenia. The parents of type I patients had a significantly lower amount of platelet GPIIbIIIa compared to normal and 2 siblings of type I patients were diagnosed as heterozygotes. These findings suggest that Glanzmann's thrombasthenia is more heterogeneous than we have previously suspected, and that flow cytometric analysis using different monoclonal antibodies is a useful tool for identifying those heterogeneities and for the detection of type I carriers.
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Affiliation(s)
- S Kinoshita
- Department of Pediatrics, Osaka National Hospital
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227
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Abstract
We encountered two siblings with abnormal bruising since infancy. Studies revealed functional platelet defects characterized by a lack of platelet aggregation and adenosine triphosphate release on exposure to adenosine diphosphate and collagen as well as variable responses with ristocetin (at concentrations of less than or equal to 1.25 g/L) and arachidonic acid. In addition, little or no platelet aggregation was observed after exposure to hexadimethrine bromide (Polybrene), the calcium ionophore A23187, and the thromboxane/endoperoxide analogue U46619. The membrane proteins IIIa and Ib were present, as determined with monoclonal antibody testing, and no platelet-associated IgG was found. Platelet analysis with routine electron microscopy and ultrastructural cytochemistry revealed normal morphologic features and no deficiencies in the number of alpha granules dense bodies and other organelles. The platelet abnormality may represent a new variant of thrombasthenia.
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Affiliation(s)
- M D Tarantino
- Department of Pediatrics, University of Arizona Health Sciences Center, Tucson
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228
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Newman PJ, Seligsohn U, Lyman S, Coller BS. The molecular genetic basis of Glanzmann thrombasthenia in the Iraqi-Jewish and Arab populations in Israel. Proc Natl Acad Sci U S A 1991; 88:3160-4. [PMID: 2014236 PMCID: PMC51405 DOI: 10.1073/pnas.88.8.3160] [Citation(s) in RCA: 119] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Glanzmann thrombasthenia is an autosomal recessive bleeding disorder characterized by a decrease or absence of functional platelet glycoprotein (GP) IIb-IIIa (alpha IIb beta 3) integrin receptors. Although thrombasthenia is a rare disorder, its occurrence is increased in some regions of the world where intracommunity marriage and consanguinity are commonplace, resulting in increased expression of autosomal recessive traits. We have been studying two populations having an unusually high frequency of Glanzmann disease, Iraqi Jews and Arabs living in Israel, and were able to distinguish the populations on the basis of immunodetectable GPIIIa and platelet surface vitronectin receptor (alpha v beta 3) expression. In this article, we describe molecular genetic studies based on use of the PCR that have allowed us to characterize platelet mRNA sequences encoding GPIIb and GPIIIa from patients in these populations. In six of six Iraqi-Jewish families studied, cDNA sequence analysis identified an 11-base deletion within exon 12 of the GPIIIa gene. This mutation produces a frameshift leading to protein termination shortly before the transmembrane domain of GPIIIa. In contrast, a 13-base deletion encompassing the splice acceptor site of exon 4 of the GPIIb gene was found in three of five Arab kindreds studied. This deletion results in forced alternative splicing to a downstream AG acceptor, producing a 6-amino acid deletion in the GPIIb protein, including a single cysteine residue. These nucleotide sequence variations were exploited to design a rapid, PCR-based oligonucleotide dot-blot hybridization test for both pre- and postnatal diagnosis of Glanzmann disease. These studies demonstrate the heterogeneity of Glanzmann thrombasthenia in different populations, and its homogeneity within geographically restricted populations, and offer insight into the requirements for integrin surface expression.
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Affiliation(s)
- P J Newman
- Blood Center of Southeastern Wisconsin, Milwaukee 53233
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229
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Burk CD, Newman PJ, Lyman S, Gill J, Coller BS, Poncz M. A deletion in the gene for glycoprotein IIb associated with Glanzmann's thrombasthenia. J Clin Invest 1991; 87:270-6. [PMID: 1702098 PMCID: PMC295042 DOI: 10.1172/jci114982] [Citation(s) in RCA: 56] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
The platelet fibrinogen receptor is composed of a complex of glycoproteins (GP) IIb and IIIa on the surface of platelets. Deficient function of this receptor prevents normal platelet aggregation, resulting in Glanzmann's thrombasthenia (GT). In this paper, we describe a black thrombasthenic patient who is either homozygous or hemizygous for a deletion within the GPIIb gene. Initial Western blot analysis of platelet proteins from this patient did not detect any GPIIb, but did detect small amounts of GPIIIa of normal mobility. Quantitation of vitronectin receptor (VNR) demonstrated that this thrombasthenic patient had approximately 1.5-2 times the number of these receptors per platelet compared with controls, a finding that has previously been noted in other thrombasthenic patients with defects in GPIIb. Genomic Southern blot studies demonstrated a deletion in the GPIIb gene of approximately 4.5 kilobasepairs (kb). Analysis of the isolated GPIIb gene demonstrated that the deletion begins between two Alu repeats within intron 1 and ends in intron 9. Polymerase chain reaction (PCR) studies using platelet RNA and oligonucleotides directed to both the 5' and 3' ends of the GPIIb cDNA sequence easily detected GPIIb transcript, suggesting that the genomic deletion of exons 2-9 does not significantly decrease the level of the GPIIb mRNA. Sequence analysis of PCR-generated GPIIb cDNA showed that a cryptic AG splice acceptor sequence was being utilized, resulting in a transcript that contained a portion of introns 1 and 9, as well as having a deletion of exons 2-9. Unlike the GPIIb gene, the GPIIIa gene appears to be intact by Southern blot analysis. PCR studies using platelet RNA and oligonucleotides directed to the GPIIIa cDNA sequence demonstrated the presence of GPIIIa mRNA. In summary, the thrombasthenic state in this patient appears to be due to a GPIIb gene deletion resulting in an abnormal transcript and no detectable platelet GPIIb. Platelet GPIIIa levels were secondarily low presumably due to the known instability of GPIIIa in the absence of GPIIb.
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Affiliation(s)
- C D Burk
- Children's Hospital of Philadelphia, Department of Pediatrics, University of Pennsylvania School of Medicine 19104
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230
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Bao C. [Platelet function in 10 patients of Ganzmann's thrombasthenia and their parents]. Zhonghua Yi Xue Za Zhi 1990; 70:697-9. [PMID: 1963376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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231
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Giltay JC, Gerrits WB, van Mourik JA. Glycoprotein Ib polymorphism in a patient with Glanzmann's thrombasthenia type I (case report). Thromb Haemost 1990; 64:181. [PMID: 2274925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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232
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Cieslar P, Dyr J, Suttnar J, Matousová O, Friedmann B. [Glanzmann thrombasthenia--a defect in the surface membrane of platelets]. Vnitr Lek 1990; 36:729-37. [PMID: 2136456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The authors present a clinical description, detailed platelet function analysis, and certain biochemical parameters in two siblings with Glanzmann thrombasthenia (G. t.). The isolated occurrence of this disorder in the family corresponds with its autosomal recessive inheritance. In both cases blood platelets completely failed to aggregate. In contrast, the platelet interaction with ristocetin, reflecting their ability to adhere to the subendothelium, the so-called "shape change", the storage granule contents and their release and arachidonic acid metabolism were unaffected. Further, the aggregation abnormality was accompanied by marked procoagulant activity and clot retraction defects; these functions, similarly as aggregation, are implemented on the platelet surface. The analysis of blood platelet proteins, using two dimensional polyacrylamide electrophoresis, confirmed the absence of glycoprotein GP IIb and IIIa and a decrease of the fibrinogen content. The analysis of these findings in G. t. led to the contemporary concept that GP IIb and IIIa on the platelet surface act as receptors for platelet aggregation.
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Affiliation(s)
- P Cieslar
- I. interní klinika fakulty vseobecného lékarství, Univerzity Karlovy, Praha
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233
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Affiliation(s)
- T J Kunicki
- Blood Center of Southeastern Wisconsin, Milwaukee 53233
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234
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Bray PF, Shuman MA. Identification of an abnormal gene for the GPIIIa subunit of the platelet fibrinogen receptor resulting in Glanzmann's thrombasthenia. Blood 1990; 75:881-8. [PMID: 1967954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
The platelet fibrinogen receptor, which is composed of glycoproteins IIb (GPIIb) and IIIa (GPIIIa), belongs to a large family of receptors that participate in a multitude of biologically important adhesive interactions. Platelets from most patients with the autosomal recessive bleeding disorder, Glanzmann's thrombasthenia, are deficient in GPIIb and GPIIIa. We have used cDNA probes to analyze the GPIIb and GPIIIa genes in four patients from three kindreds with Glanzmann's thrombasthenia. Southern analysis of their DNA was identical to that observed in normals when probed with a full-length GPIIb cDNA or a 3' GPIIIa cDNA. However, in one family, a 5' 2.0 kb GPIIIa cDNA identified abnormal DNA fragments in the father and two affected siblings' genes. A series of restriction digests resulting in small genomic fragments were probed with portions of the 5' 2.0 kb GPIIIa cDNA and indicated that the abnormal sequences are flanked by normal fragments of the GPIIIa gene. To analyze further the genetic defect in this family, RNA was prepared from their platelets. Northern analysis revealed normal levels of GPIIb mRNA compared to control platelets. We were unable to identify GPIIIa mRNA of any size in the clinically affected family members. We also identified an EcoRI restriction fragment length polymorphism (RFLP) that permitted carrier status determination in the clinically unaffected siblings. These studies indicate that Glanzmann's thrombasthenia can be caused by heterogeneous defects in the GPIIIa gene. Furthermore, we have shown that platelets can be used to characterize normal and abnormal GPIIIa and GPIIb mRNA, and RFLPs may be used to determine the carrier status in some families with Glanzmann's thrombasthenia. The specific gene abnormality in this family appears to represent an example of an insertional mutation resulting in a human disease.
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Affiliation(s)
- P F Bray
- Department of Medicine, University of California, San Francisco 94143-0128
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235
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236
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Fabris F, Casonato A, Randi ML, Luzzatto G, De Silvestro G, Ongaro G, Girolami A. The use of fluorescence flow cytometry in the characterization of Bernard-Soulier syndrome and Glanzmann's thrombasthenia. Haematologica 1989; 74:39-44. [PMID: 2498181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
We have used flow cytometry analysis of fluorescence to study the binding of murine monoclonal antibodies to platelets. Anti-platelet glycoproteins Ib (AP1), the complex IIb-IIIa (LJP9) and the FITC-conjugated second antibody were added directly to the sample of platelet rich plasma without washing. The analysis was performed in normals and in patients affected by the Bernard-Soulier syndrome and Glanzmann's thrombasthenia and compared to the direct binding of radioiodinated monoclonas. Comparable results were obtained. A symmetric profile of fluorescence for both glycoproteins Ib and IIb-IIIa was observed in normals and in the patient group, which indicates homogeneous distribution of these glycoproteins on the platelet surface. The develop technique allows identification of homozygous and heterozygous carriers of the platelet disorders studied and quantification of the defect, which seems to be due to a homogeneous decrease of specific glycoproteins in all platelet populations.
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237
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Russell ME, Seligsohn U, Coller BS, Ginsberg MH, Skoglund P, Quertermous T. Structural integrity of the glycoprotein IIb and IIIa genes in Glanzmann thrombasthenia patients from Israel. Blood 1988; 72:1833-6. [PMID: 3179450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Glanzmann thrombasthenia is an autosomal recessive disorder of the platelet glycoproteins (GP) IIb and IIIa. These glycoproteins normally serve as receptors for other adhesive glycoproteins, including fibrinogen, von Willebrand factor, and fibronectin. Most patients affected by Glanzmann thrombasthenia have low levels of GPIIb and GPIIIa; however, the separate mechanisms responsible for the deficiency in each remain to be determined. cDNA clones coding for the GPIIb and GPIIIa have been recently isolated, and their corresponding genomic sequences have been colocalized to the long arm of chromosome 17. Since a deletional event involving one or both of these structural genes could explain the disease phenotype, we have studied the DNA of two previously well-characterized cohorts of Glanzmann thrombasthenia patients from Israel. We performed Southern analysis with near full-length cDNA probes on genomic DNA obtained from 20 individuals. Four restriction enzyme digests were completed on each DNA sample. The similarity of banding patterns among probands, family members, and controls indicated that there were no major insertions or deletions in either the GPIIb or GPIIIa genes. Thus, the genetic defect in these patients with Glanzmann thrombasthenia is most likely due to either a small change in the nucleotide sequence of the coding region or a defect in the regulatory region of one or both genes.
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Affiliation(s)
- M E Russell
- Cardiac Unit, Massachusetts General Hospital, Boston 02114
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238
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Jung SM, Yoshida N, Aoki N, Tanoue K, Yamazaki H, Moroi M. Thrombasthenia with an abnormal platelet membrane glycoprotein IIb of different molecular weight. Blood 1988; 71:915-22. [PMID: 3355897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
We describe an individual with abnormal platelet glycoprotein (GP) IIb of different molecular weight (mol wt), a defect that distinguishes this patient from previously reported thrombasthenics. The patient, a 21-year-old female, has a mild bleeding tendency; her platelets lack adenosine diphosphate (ADP) aggregation and have severely suppressed collagen aggregation but a normal response to ristocetin. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis of her platelets indicates that they contain two types of GPIIb molecules: one with an abnormal mol wt (122 kd, unreduced; 128 kd, reduced) and one with a normal mol wt (128 kd, unreduced; 118 kd, reduced). Relative to the amount of GPIIb in normal platelets, her platelets contain approximately 35% abnormal GPIIb and 20% normal GPIIb. Fibrinogen binding assays on the patient's platelets indicated that they contained 25% of the normal amount of fibrinogen receptors. Crossed immunoelectrophoresis of the patient's platelets demonstrated the formation of a GPIIb/IIIa complex that was mainly composed of normal mol wt GPIIb and GPIIIa. The patient's father has decreased ADP aggregability, and his platelets also contained both abnormal and normal GPIIb (about 50% of the normal level and about 50% of the normal number of fibrinogen receptors); her mother has only normal GPIIb. These results indicate that the patient has heterozygous GPIIb molecules with an abnormality of GPIIb at the molecular level. Studies on this abnormal GPIIb should provide information about the function of GPIIb and the mechanism of its biosynthesis.
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Affiliation(s)
- S M Jung
- Department of Biochemistry II, Jichi Medical School, Tochigi, Japan
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239
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Maqbool S, Yaqoob M, Haider A. Glanzmann's disease. J PAK MED ASSOC 1988; 38:84-6. [PMID: 3133504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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240
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Zaffar N, Saleem M, Ahmed SA. Functional platelet defects: a clinicopathological study of 10 cases. J PAK MED ASSOC 1987; 37:223-8. [PMID: 3119889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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241
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Schmitt L, Mathis P, Escapat A, Granier F, Lemaire A, Moron P. [Manic-depressive psychosis and transmission of Glanzmann-Naegeli thrombasthenia]. Ann Med Psychol (Paris) 1987; 145:357-60. [PMID: 3674623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- L Schmitt
- Service de Psychiatrie Universitaire et de Psychologie Médicale, Hôpital Purpan-Casselardit
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242
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Giltay JC, Leeksma OC, Breederveld C, van Mourik JA. Normal synthesis and expression of endothelial IIb/IIIa in Glanzmann's thrombasthenia. Blood 1987; 69:809-12. [PMID: 3545321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Glanzmann's thrombasthenia is a bleeding disorder, inherited in an autosomal recessive way and characterized by an absence or deficiency of the platelet glycoprotein (GP) IIb/IIIa complex. Recently, we and others demonstrated that cultured human umbilical vein endothelial cells synthesized a membrane protein complex similar to the platelet GP IIb/IIIa complex. In this article, we demonstrate that endothelial cells isolated from the umbilical vein of a newborn with Glanzmann's thrombasthenia, as compared with normal endothelial cells, show no difference in their ability to synthesize and express this GP IIb/IIIa complex. Our results indicate that Glanzmann's thrombasthenia is not accompanied by an "endotheliopathy."
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243
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Abstract
Platelet stimulus-activation-contraction-secretion coupling is linked to fundamental modifications in the biochemistry and ultrastructure of the platelet surface and the membranes enclosing storage organelles. It is not surprising, therefore, that membrane defects are common in platelets from patients with inherited hemorrhagic disorders caused by platelet dysfunction. In fact, it might be stated that all inherited disorders of platelet function are related directly or indirectly to abnormalities of membranes. The current review discusses the state of knowledge on inherited platelet membrane defects of the cell surface and storage organelles.
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244
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Meddeb B, Hafsia R, Ben Abid H, Ben Hafsa RK, Hafsia A, Boussen M. [Genetic study of Glanzman thrombasthenia (apropos of 22 cases)]. Tunis Med 1987; 65:11-5. [PMID: 3590337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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245
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Schlegelberger B, Grote W, Wiedemann HR. Probable autosomal recessive syndrome with triphalangia of thumbs, thrombasthenia Glanzmann and deafness of internal ear. Klin Padiatr 1986; 198:337-9. [PMID: 3762006 DOI: 10.1055/s-2008-1033883] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A 22-year-old woman is described who presented with triphalangeal thumbs, Glanzmann's thrombasthenia and deafness of internal ear. These are features of a probable genetically determined syndrome, which can be differentiated from other radial defect syndromes. Like in typical Glanzmann's thrombasthenia, our patient showed severely reduced concentrations of glycoprotein IIb-IIIa. The patient's parents revealed reduced concentrations of glycoprotein IIb-IIIa and were considered to be heterozygotes. Thus autosomal recessive inheritance of the bleeding disorder was demonstrated. As a consequence we suppose that the complete syndrome follows this way of inheritance.
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246
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Patterson WR, Kunicki TJ, Bell TG. Two-dimensional electrophoretic studies of platelets from dogs affected with basset hound hereditary thrombopathy: a thrombasthenia-like aggregation defect. Thromb Res 1986; 42:195-203. [PMID: 3715800 DOI: 10.1016/0049-3848(86)90295-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Because of a thrombasthenia-like platelet aggregation defect, platelets from dogs affected with Basset Hound Hereditary Thrombopathy were compared to normal control dog platelets by three different techniques in order to assess platelet membrane glycoprotein content. Crossed immunoelectrophoresis (CIE), two-dimensional nonreduced-reduced electrophoresis (NR-R), and O'Farrell two-dimensional electrophoresis were used for the assays. CIE and NR-R gels detected no differences between affected Basset Hound and control dog platelets. Gels run by the O'Farrell technique detected no differences in glycoprotein/protein content, however, there appear to be several constituents missing from BHT affected dog platelet samples. The missing components appear to be either lipids or sialoglycoproteins as they were detectable by silver staining but not by Coomassie Blue staining.
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247
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Rao AK, Holmsen H. Congenital disorders of platelet function. Semin Hematol 1986; 23:102-18. [PMID: 3010468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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248
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249
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Valdes L, Dupuy E, Noseda J, Harpey JP, Roy C, Cruveiller J, Caille B. [Glanzmann's thrombasthenia. Apropos of a case]. Ann Pediatr (Paris) 1985; 32:877-80. [PMID: 4091442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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250
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Meyer M, Herrmann FH. Diversity of glycoprotein deficiencies in Glanzmann's thrombasthenia. Thromb Haemost 1985; 54:626-9. [PMID: 2935964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The platelet proteins of 9 thrombasthenic patients from 7 families were analysed by high resolution two-dimensional gel electrophoresis (HR-2DE) and crossed immunoelectrophoresis (CIE). In 7 patients both glycoproteins (GPs) IIb and IIIa were absent or reduced to roughly the same extent. In two related patients only a trace of GP IIb-IIIa complex was detected in CIE, but HR-2DE revealed a glycopeptide in the position of GP IIIa in an amount comparable to type II thrombasthenia. This GP IIIa-like component was neither recognized normally by anti-GP IIb-IIIa antibodies nor labeled by surface iodination. In unreduced-reduced two-dimensional gel electrophoresis two components were observed in the region of GP IIIa. The assumption of a structural variant of GP IIIa in the two related patients is discussed.
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