14 Matching Annotations
  1. Last 7 days
    1. GT7

      Case7: GT-7, German and Jugoslav, gender or age not specified

      DiseaseAssertion: Glanzmann thrombasthenia

      FamilyInfo: N/A

      ParentalGenotype: Mother: c.1126-72C>T heterozygous and Father: c.1126-72C>T heterozygous

      CasePresentingHPOs: N/A

      CaseHPOFreeText: Bleeding symptoms are severe and bleeding time is pathogenic (See Table 1) Abstract mentions patients' bleeding signs include epistaxis, mucocutaneous bleeding, haematomas, petechiae, GI bleeding and menorrhagia; however, not specified per proband.

      CaseNotHPOs: N/A

      CaseNotHPOsFreeText: N/A

      ProteinExpression: Flow cytometry was performed and expression is stated as pathogenic in Table 1

      PlateletAggregation: Platelet aggregation was performed and is stated as pathogenic in Table 1; however, no specific agonists mentioned

      CasePreviousTesting: All exons of ITGA2B and ITGB3 genes as well as surrounding intron regions were amplified by PCR using intronic primers as pre-viously described (12). The purified DNA fragments were then di-rectly sequenced.

      Gene: ITGB3

      Variant: NM_000212.2:c.1030dup and an Unregistered Variant (c.1126_72C>T) (Does not show up in CAR)

      LegacyVariant: N/A

      ClinVar: N/A

      CAiD: CA658820875 and N/A

      gnomAD: N/A

    2. GT1

      Case1: GT-1, Turkish, gender or age not specified

      DiseaseAssertion: Glanzmann thrombasthenia

      FamilyInfo: N/A

      ParentalGenotype: Mother: c.2374delG heterozygous and Father: c.2374delG heterozygous

      CasePresentingHPOs: N/A

      CaseHPOFreeText: Bleeding symptoms are severe and bleeding time is pathogenic (See Table 1) Abstract mentions patients' bleeding signs include epistaxis, mucocutaneous bleeding, haematomas, petechiae, GI bleeding and menorrhagia; however, not specified per proband.

      CaseNotHPOs: N/A

      CaseNotHPOsFreeText: N/A

      ProteinExpression: Flow cytometry was performed and expression is stated as pathogenic in Table 1

      PlateletAggregation: Platelet aggregation was performed and is stated as pathogenic in Table 1; however, no specific agonists mentioned

      CasePreviousTesting: All exons of ITGA2B and ITGB3 genes as well as surrounding intron regions were amplified by PCR using intronic primers as pre-viously described (12). The purified DNA fragments were then di-rectly sequenced.

      Gene: ITGA2B

      Variant: NM_000419.3:c.2374del

      LegacyVariant: N/A

      ClinVar: N/A

      CAiD: CA915940267

      gnomAD: N/A

    3. GT12

      Case12: GT-12, Caucasian, gender or age not specified

      DiseaseAssertion: Glanzmann thrombasthenia

      FamilyInfo: N/A

      ParentalGenotype: Mother: c.2326_2331dupGAGGCC and Father: deceased

      CasePresentingHPOs: N/A

      CaseHPOFreeText: Bleeding symptoms are severe and bleeding time is pathogenic (See Table 1) Abstract mentions patients' bleeding signs include epistaxis, mucocutaneous bleeding, haematomas, petechiae, GI bleeding and menorrhagia; however, not specified per proband.

      CaseNotHPOs: N/A

      CaseNotHPOsFreeText: N/A

      ProteinExpression: Flow cytometry was performed and expression is stated as pathogenic in Table 1

      PlateletAggregation: Platelet aggregation was performed and is stated as pathogenic in Table 1; however, no specific agonists mentioned

      CasePreviousTesting: All exons of ITGA2B and ITGB3 genes as well as surrounding intron regions were amplified by PCR using intronic primers as pre-viously described (12). The purified DNA fragments were then di-rectly sequenced.

      Gene: ITGA2B

      Variant: NM_000419.3:c.957T>A and NM_000419.3:c.2326_2331dupGAGGCC

      LegacyVariant: N/A

      ClinVar: N/A

      CAiD: CA399804780 and CA915940324

      gnomAD: N/A

    1. M5

      Case5: Patient M5, Female, French Gypsy, age is not specified

      DiseaseAssertion: Glanzmann thrombasthenia

      FamilyInfo: See Figure 2 for pedigree

      ParentalGenotype: Unaffected parents see pedigree Fig 2

      CasePresentingHPOs: N/A

      CaseHPOFreeText: France, GT is particularly frequent in the Gypsy population, mainly represented by the Manouche tribe. Their clinical phenotype is the same as for classic type I disease, with a moderate and occasional severe bleeding syndrome

      CaseNotHPOs: N/A

      CaseNotHPOsFreeText: N/A

      ProteinExpression: Flow cytometry analysis has shown that these patients' surface expresses <5% of normal GPIIIa and GPIIb levels (we are not given an exact value for each proband)

      PlateletAggregation: "Absent platelet aggregation" this is all the information we are given for platelet aggregation

      CasePreviousTesting: N/A

      Gene: ITGA2B

      Variant: NM_000419.3:c.1544+1G>A

      LegacyVariant: N/A

      ClinVar: 2895

      CAiD: CA10575473

      gnomAD: N/A

    2. M10

      Case10: Patient M10, Male, French Gypsy, age is not specified

      DiseaseAssertion: Glanzmann thrombasthenia

      FamilyInfo: See Figure 2 for pedigree

      ParentalGenotype: Unaffected parents see pedigree Fig 2

      CasePresentingHPOs: N/A

      CaseHPOFreeText: France, GT is particularly frequent in the Gypsy population, mainly represented by the Manouche tribe. Their clinical phenotype is the same as for classic type I disease, with a moderate and occasional severe bleeding syndrome

      CaseNotHPOs: N/A

      CaseNotHPOsFreeText: N/A

      ProteinExpression: Flow cytometry analysis has shown that these patients' surface expresses <5% of normal GPIIIa and GPIIb levels (we are not given an exact value for each proband)

      PlateletAggregation: "Absent platelet aggregation" this is all the information we are given for platelet aggregation

      CasePreviousTesting: N/A

      Gene: ITGA2B

      Variant: NM_000419.3:c.1544+1G>A

      LegacyVariant: N/A

      ClinVar: 2895

      CAiD: CA10575473

      gnomAD: N/A

    3. M1

      Case1: Patient M1, Female, French Gypsy, age is not specified

      DiseaseAssertion: Glanzmann thrombasthenia

      FamilyInfo: See Figure 2 for pedigree

      ParentalGenotype: Unaffected parents see pedigree Fig 2

      CasePresentingHPOs: N/A

      CaseHPOFreeText: France, GT is particularly frequent in the Gypsy population, mainly represented by the Manouche tribe. Their clinical phenotype is the same as for classic type I disease, with a moderate and occasional severe bleeding syndrome

      CaseNotHPOs: N/A

      CaseNotHPOsFreeText: N/A

      ProteinExpression: Flow cytometry analysis has shown that these patients' surface expresses <5% of normal GPIIIa and GPIIb levels (we are not given an exact value for each proband)

      PlateletAggregation: "Absent platelet aggregation" this is all the information we are given for platelet aggregation

      CasePreviousTesting: N/A

      Gene: ITGA2B

      Variant: NM_000419.3:c.1544+1G>A

      LegacyVariant: N/A

      ClinVar: 2895

      CAiD: CA10575473

      gnomAD: N/A

    1. proband‐III2

      Case3: Male, Israeli-Arab, (age is either 10 or 14)

      DiseaseAssertion: Glanzmann thrombasthenia

      FamilyInfo: See Fig 1C for pedigree

      ParentalGenotype: See Fig 1C for pedigree

      CasePresentingHPOs: HP:0000421, HP:0031364, HP:0000967

      (Severe epistaxis, ecchymosis, petechiae)

      CaseHPOFreeText: N/A

      CaseNotHPOs: N/A

      CaseNotHPOFreeText: N/A

      ProteinExpression: No surface expression of αIIbβ3 was found in patients’ platelets (See Fig 3)

      PlateletAggregation: Absent platelet aggregation in response to ADP, epinephrine, collagen and normal ristocetin-induced platelet agglutination

      CasePreviousTesting: DNA fragments containing exons and flanking intronic regions of the aIIb and B3 genes were amplified by PCR using primers

      Gene: ITGA2B

      Variant: NM_000419.3:c.97A>G (p.Asn2Asp)

      LegacyVariant: N/A

      ClinVar: N/A

      CAiD: CA399806951

      gnomAD: N/A

    1. The probands are two brothers, 18

      Case1: Male, 18 years old, ethnicity not specified

      DiseaseAssertion: Glanzmann thrombasthenia

      FamilyInfo: See Figure 4 for family pedigree of patients carrying the 288delC mutation in GPIIb

      ParentalGenotype: Heterozygous for variant

      CasePresentingHPOs: HP:0000978 (Bruising)

      CaseHPOFreeText: Mucocutaneous bleeding

      CaseNotHPOs: N/A

      CaseNotHPOsFreeText: N/A

      ProteinExpression: Flow cytometry analysis shown in Fig 1

      PlateletAggregation: Platelets failed to aggregate either spontaneously or in response to ADP, adrenaline, collagen or arachidonic acid, but they showed agglutination in the presence of ristocetin

      CasePreviousTesting: ITGA2B and ITGB3 both were sequenced

      Gene: ITGA2B

      Variant: NM_000419.3:c.291del

      LegacyVariant: N/A

      ClinVar: N/A

      CAiD: CA915940464

      gnomAD: N/A

    1. GT20

      Case26: (GT20) Gender, age and ethnicity are not specified

      DiseaseAssertion: Glanzmann thrombasthenia

      FamilyInfo: Brother is homozygous for the mutation and the second brother is heterozygous

      ParentalGenotype: Mother and father are heterozygous for the mutation

      CasePresentingHPOs: N/A

      CaseHPOFreeText: Inclusion criteria were patients with a history of mucocutaneous bleeding (Figure 1 shows a bar diagram of all the clinical manifestations in the patient cohort in this article)

      CaseNotHPOs: N/A

      ProteinExpression: Platelet receptor alphaIIbbeta3 protein was analyzed by flow cytometry followed by western blotting

      Platelet Aggregation: Inclusion criteria for probands was absent or reduced platelet aggregation with agonists such as ADP, adrenaline, arachidonic acid, and collagen (no mention of ristocetin here-- this article does not tell us the specific aggregation for each proband in the paper)

      CasePreviousTesting: For mutation analysis of ITGA2B and ITGB3 genes, DNA extraction from whole blood, PCR, heteroduplex PCR followed by CSGE and DNA sequencing were performed. All 30 exons of ITGA2B and 15 exons of ITGB3, as well as their promoters, were analyzed by CSGE following heteroduplex PCR.

      Gene: ITGA2B

      Variant: NM_000419.3:c.1424_1427dup

      LegacyVariant: N/A

      ClinVar: N/A

      CAiD: CA8603099

      gnomAD MAF in the South Asian population is 0.0001960 https://gnomad.broadinstitute.org/variant/17-42457979-C-CACCT

    1.  Case 1

      Case1: Female, 9 years old, Japanese

      DiseaseAssertion: Macrothrombocytopenia

      FamilyInfo: Information given in Table 1 and Fig 2

      ParentalGenotype: Mother: ITGA2B (p.Arg422Ter heterozygous) and Father: ITGA2B (p.Gly991Cys heterozygous) See Table 1 for this information

      Sequencing of parental DNA indicated parental mutations. CasePresentingHPOs: HP:0000979, HP:0000421, HP:0000978

      (Purpura, epistaxis, bruising)

      CaseHPOFreeText: Hemorrhage after dental

      CaseNotHPOs: N/A

      CaseNotHPOsFreeText: N/A

      ProteinExpression: Flow cytometric analysis showed that surface αIIbβ3 expression in platelets (was markedly impaired 3-11%)

      PlateletAggregation: N/A

      CasePreviousTesting: Sequence analysis of entire coding regions of exons and exon-intron boundaries of ITGA2B and ITGB3 gene of the patient revealed two novel mutations in ITGA2B.

      Gene: ITGA2B

      Variant: NM_000419.3:c.3064G>T (p.Gly1022Cys) and NM_000419.3:c.1357C>T (p.Arg453Ter)

      LegacyVariant: (p.Gly991Cys legacy nomenclature for p.Gly1022Cys) and (p.Arg422Ter legacy nomenclature for p.Arg453Ter)

      ClinVar: 631773

      CAiD: CA399787943 and CA399803529

      gnomAD: N/A

    1. GTP1

      Case1: GTP1, gender, age, or ethnicity not specified

      DiseaseAssertion: Glanzmann thrombasthenia

      FamilyInfo: N/A

      ParentalGenotype: Sequencing of both parental genomic DNA confirmed patient was homozygous for IVS4+1G>A mutation

      CasePresentingHPOs: N/A

      CaseHPOFreeText: N/A

      CaseNotHPOs: N/A

      CaseNotHPOsFreeText: N/A

      ProteinExpression: Flow cytometry showed <5% αIIbβ3 expression, which was confirmed by western blot analysis

      PlateletAggregation: N/A

      CasePreviousTesting: Sequencing of patient genomic DNA was done on ITGA2B (no mention of ITGB3)

      Gene: ITGA2B

      Variant: NM_000419.3:c.574+1G>A (IVS4+1G>A)

      LegacyVariant: N/A

      ClinVar: N/A

      CAiD: CA399805691

      gnomAD: MAF in the European non-Finnish population 0.00001235 http://gnomad.broadinstitute.org/variant/17-42462918-C-T

    1. The patient

      Case1: Male, 7 years old, ethnicity not specified

      DiseaseAssertion: Glanzmann thrombasthenia

      FamilyInfo: See pedigree Fig 5

      ParentalGenotype: Parents heterozygous for the mutation proband has

      CasePresentingHPOs:

      (Petechia, bruising

      CaseHPOFreeText: Mucocutaneous hemorrhages

      CaseNotHPOs: N/A

      CaseNotHPOsFreeText: N/A

      ProteinExpression: There was a lack of platelet surface expression of the GPIIb-IIIa complex as shown by Western blotting

      PlateletAggregation: Platelets fail to aggregate spontaneously or in response to agonists, although they agglutinate in response to ristocetin

      CasePreviousTesting: Screening of mutations in both ITGA2B and ITGB3 was carried out by single stranded conformational polymorphism (SSCP) analysis

      Gene: ITGA2B

      Variant: NM_000419.3:c.1882C>T (p.Arg628Ter)

      LegacyVariant: (p.Arg597Ter)

      ClinVar: N/A

      CAiD: CA399801310

      gnomAD: MAF in the Latino population is 0.00003983 http://gnomad.broadinstitute.org/variant/17-42456075-G-A

    1. Case1: Female, 29 years old, ethnicity not specified

      DiseaseAssertion: Glanzmann thrombasthenia

      FamilyInfo: N/A

      ParentalGenotype: Parents were heterozygous for mutation (parents are first cousins)

      CasePresentingHPOs: HP:0001892, HP:0000421, HP:0000225, HP:0000132

      (Severe hemorrhagic diathesis, epistaxis, gingival bleeding, menorrhagia)

      CaseHPOFreeText: Patients severe hemorrhagic diathesis manifested as epistaxis

      CaseNotHPOs: N/A

      CaseNotHPOFreeText: N/A

      ProteinExpression: N/A

      PlateletAggregation: N/A

      CasePreviousTesting: 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.

      Gene: ITGB3

      Variant: NM_000212.2:c.165+1G>T (No other assertion was made about the 2 other variants in this article, just this variant that is mentioned in this annotation)

      LegacyVariant: N/A

      ClinVar: 13560

      CAiD: CA400031853

      gnomAD: N/A

    1. The propositus (A.C.S.; II.1) in family 1 is a 22-yearold Portuguese girl

      Case1: Female, 22 years old, Portugese

      DiseaseAssertion: Glanzmann thrombasthenia

      FamilyInfo: Also studied were the patient’s mother (I.2),her father (1.1), and her sister (II.2). Of these family members, only her sister has reported excessive bleeding although platelet aggregation tests were normal for all of them. Consanguinity was present as her parents were cousins.

      ParentalGenotype: Parents heterozygous for mutation

      CasePresentingHPOs: HP:0000967

      (Petechia)

      CaseHPOFreeText: Mucocutaneous bleeding

      CaseNotHPOs: N/A

      CaseNotHPOFreeText: N/A

      ProteinExpression: <5% surface expression of aIIbb3

      PlateletAggregation: Absent with physiologic agonists but agglutination with ristocetin was normal

      CasePreviousTesting: We examined each of the 30 exons of the b3 gene and each of the 15 exons of the aIIb gene for migration changes in PCR-SSCP analysis

      Gene: ITGB3

      Variant:

      LegacyVariant:

      ClinVar:

      CAiD:

      gnomAD: N/A