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

Case6: GT-6, Croats, gender or age not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

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.166–2A>G

LegacyVariant: N/A

ClinVar: N/A

CAiD: Unregistered Variant

gnomAD: N/A

Case1: (GTa) Female, 27 years old, Irish Caucasian

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: No family history of bleeding

ParentalGenotype: N/A

CasePresentingHPOs: HP:0000978

(Bruising)

CaseHPOFreeText: Excessive bleeding after a normal delivery

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Reduced expression of GPIIb/IIIa

PlateletAggregation: Platelet aggregation to ADP, thrombin receptor activating peptide, thrombin and U46619 was less than 10% and ristocetin induced agglutination was normal

CasePreviousTesting: Total RNA isolated from the proband's platelets was used as a template for RT PCR. Seven primer pairs were used to amplify overlapping regions of the entire GPIIIa coding sequence using cDNA template

Gene: ITGB3

Variant: NM_000212.2:c.655G>A (p.Val219Met)

LegacyVariant: (p.Val193Met)

ClinVar: N/A

CAiD: CA8623016

gnomAD: MAF in the South Asian population is 0.00003266 http://gnomad.broadinstitute.org/variant/17-45363666-G-A

Case1: 39 years old, Female, Jewish Iraqi

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Mucocutaneous bleeding

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: All patients demonstrated lack of αIIbβ3 surface expression." No specifics are given on the percentage, but test was performed

PlateletAggregation: Presented with mucocutaneous bleeding, absence of platelet aggregation in response to all physiological agonists in contrast to normal aggregation with ristocetin

CasePreviousTesting: "Molecular analysis disclosed that patient 2 was homozygous for an out of frame mutation (c.2031–2041 del, exon 13) in ITGB3, and patient 4 was compound heterozygote for the same deletion and a large deletion of 11.2Kb del"

Gene: ITGB3

Variant: NM_000212.2:c.2051_2061del (c.2051_2061del)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA915940226

gnomAD: N/A

Case1: Patient 9, Female, 10 years old

DiseaseAssertion: Glanzmann thrombasthenia III (Diagnosed at 3 months of age)

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Bleeding phenotypes are not specified per patient in this article, rather, it states: "Petechia, epistaxis, and prolonged bleeding after trauma were the most common symptoms among studied patients"

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: This patient has type III Glanzmann thrombasthenia; therefore, according to this article, this proband showed normal or near-nromal levels of the GPIIb/IIIa complex via flow cytometry.

PlateletAggregation: Prolonged bleeding time, abnormal clot retraction, impaired platelet aggregation induced by most physiological agonists (ADP, epinephrine, and collagen) except ristocetin, mucosal bleeding, easy bruising, epistaxis, as well as normal prothrombin/acivated partial thromboplastin time, and normal platelet count. (This is among inclusion criteria for this study)

CasePreviousTesting: To identify the underlying molecular mechanism of GPIIb/IIIa complex abnormalities among probands in this study, all the 30 exons of ITGA2B and the 15 exons of ITGB3 were analyzed using PCR–CSGE and DNA sequencing.

Gene: ITGB3

Variant: NM_000212.2:c.719G>A (p.Arg240Gln)

LegacyVariant: N/A

ClinVar: 13553

CAiD: CA123224

gnomAD: N/A

Case30: (GT31) Gender, age and ethnicity are not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

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: ITGB3

Variant: NM_000212.2:c.887_901del

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA626379036

gnomAD MAF in the South Asian population is 0.00003266 https://gnomad.broadinstitute.org/variant/17-45364541-AATGACGGGCAGTGTC-A

Case18: (GT-20) Female, age or ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Probands GT15-GT19 are related to GT-20 see Table 1

ParentalGenotype: Parents may be included in Table 1; however, not specified so no information

CasePresentingHPOs: N/A

CaseHPOFreeText: Bleeding severity: Information not available on bleeding phenotype/severity (See Supplementary Table 3)

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry performed and CD41 and CD61 were observed (See Supplementary Table 3)

PlateletAggregation: Minimal information (See Supplementary Table 3)

CasePreviousTesting: DNA was extracted from peripheral blood samples from patients and family members, and Sanger sequencing and PCR was performed. Samples were processed for targeted sequencing using the available SHGp heme panel of 393 genes.

Gene: ITGB3

Variant: NM_000212.2:c.727G>C (p.Asp243His)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA400023600

gnomAD: N/A

Case17: (GT-19) Male, carrier status, age or ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Probands GT15-GT20 are related to GT-19 see Table 1

ParentalGenotype: Parents may be included in Table 1; however, not specified so no information

CasePresentingHPOs: N/A

CaseHPOFreeText: Bleeding severity: Information not available on bleeding phenotype/severity (See Supplementary Table 3)

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry performed and CD41 and CD61 were observed (See Supplementary Table 3)

PlateletAggregation: Minimal information (See Supplementary Table 3)

CasePreviousTesting: DNA was extracted from peripheral blood samples from patients and family members, and Sanger sequencing and PCR was performed. Samples were processed for targeted sequencing using the available SHGp heme panel of 393 genes.

Gene: ITGB3

Variant: NM_000212.2:c.727G>C (p.Asp243His)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA400023600

gnomAD: N/A

Case53: (GT-72) Gender, age, or ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Bleeding severity: Information not given (See Supplementary Table 3)

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry performed and CD41 and CD61 were observed (See Supplementary Table 3)

PlateletAggregation: Minimal information (See Supplementary Table 3)

CasePreviousTesting: DNA was extracted from peripheral blood samples from patients and family members, and Sanger sequencing and PCR was performed. Samples were processed for targeted sequencing using the available SHGp heme panel of 393 genes.

Gene: ITGB3

Variant: NM_000212.2:c.662C>T (p.Thr221Met)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA8623017

gnomAD: MAF in European Finnish population 0.0001386 http://gnomad.broadinstitute.org/variant/17-45363673-C-T

Case14: (GT-16) Male, age or ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Probands GT15-GT20 are related to GT-16 see Table 1

ParentalGenotype: Parents may be included in Table 1; however, not specified so no information

CasePresentingHPOs: N/A

CaseHPOFreeText: Bleeding severity: Severe (See Supplementary Table 3)

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry performed and CD41 and CD61 were observed (See Supplementary Table 3)

PlateletAggregation: Minimal information (See Supplementary Table 3)

CasePreviousTesting: DNA was extracted from peripheral blood samples from patients and family members, and Sanger sequencing and PCR was performed. Samples were processed for targeted sequencing using the available SHGp heme panel of 393 genes.

Gene: ITGB3

Variant: NM_000212.2:c.727G>C (p.Asp243His)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA400023600

gnomAD: N/A

Case42: (GT-52) Male, age or ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Proband GT49-GT52 are related

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Bleeding severity: Moderate (See Supplementary Table 3)

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry performed and CD41 and CD61 were observed (See Supplementary Table 3)

PlateletAggregation: Minimal information (See Supplementary Table 3)

CasePreviousTesting: DNA was extracted from peripheral blood samples from patients and family members, and Sanger sequencing and PCR was performed. Samples were processed for targeted sequencing using the available SHGp heme panel of 393 genes.

Gene: ITGB3

Variant: NM_000212.2:c.2113del (p.Leu705Cysfs*4)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA8623443

gnomAD: MAF in East Asian population: 0.0001087 http://gnomad.broadinstitute.org/variant/17-45380183-TC-T

Case41: (GT-51) Female, age or ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Proband GT49-GT52 are related

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Bleeding severity: Information not available (See Supplementary Table 3)

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry performed and CD41 and CD61 were observed (See Supplementary Table 3)

PlateletAggregation: Minimal information (See Supplementary Table 3)

CasePreviousTesting: DNA was extracted from peripheral blood samples from patients and family members, and Sanger sequencing and PCR was performed. Samples were processed for targeted sequencing using the available SHGp heme panel of 393 genes.

Gene: ITGB3

Variant: NM_000212.2:c.2113del (p.Leu705Cysfs*4)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA8623443

gnomAD: MAF in East Asian population: 0.0001087 http://gnomad.broadinstitute.org/variant/17-45380183-TC-T

Case11: (GT-13) Male, carrier, age or ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Probands GT11 -GT14 are related to GT-13 see Table 1

ParentalGenotype: Parents may be included in Table 1; however, not specified so no information

CasePresentingHPOs: N/A

CaseHPOFreeText: Bleeding severity: Not available (See Supplementary Table 3)

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry performed and CD41 and CD61 were observed (See Supplementary Table 3)

PlateletAggregation: Minimal information (See Supplementary Table 3)

CasePreviousTesting: DNA was extracted from peripheral blood samples from patients and family members, and Sanger sequencing and PCR was performed. Samples were processed for targeted sequencing using the available SHGp heme panel of 393 genes.

Gene: ITGB3

Variant: NM_000212.2:c.727G>C (p.Asp243His)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA400023600

gnomAD: N/A

Supplementary Table S1:

Case26: GT30, "USA"-what the supp table states, gender and age not specified

DiseaseAssertion: Glanzmann thrombasthenia type I

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: All patients had a life-long history of mucocutaneous bleeding

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: All patients in this study met the clinical and platelet function requirements for GT-- this includes an absent or strongly reduced expression of alphaIIbBeta3 in platelets

PlateletAggregation: All patients in this study met the clinical and platelet function requirements for GT-- this includes absent or severely reduced platelet aggregation with at least three physiological agonists

CasePreviousTesting: Sanger sequencing was performed. Sanger sequencing ensured coverage of all exons and splice sties of the ITGA2B and ITGB3 genes and extended 300-500 bp into the introns as well as including the UTR. They sequenced 416 bp upstream of the ITGA2B promoter and 463 bp upstream of the ITGB3 promoter. In total they sequenced 51.2% of the ITGA2B gene and 19.4% of the larger ITGB3 gene

Gene: ITGB3

Variant: NM_000212.2:c.777+1G>A

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA8623036

gnomAD: MAF in the Latino population is 0.0006774 https://gnomad.broadinstitute.org/variant/17-45363789-G-A

Supplementary Table S1:

Case37: GT43a, Morrocco, gender and age not specified

DiseaseAssertion: Glanzmann thrombasthenia type I

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: All patients had a life-long history of mucocutaneous bleeding

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: All patients in this study met the clinical and platelet function requirements for GT-- this includes an absent or strongly reduced expression of alphaIIbBeta3 in platelets

PlateletAggregation: All patients in this study met the clinical and platelet function requirements for GT-- this includes absent or severely reduced platelet aggregation with at least three physiological agonists

CasePreviousTesting: Sanger sequencing was performed. Sanger sequencing ensured coverage of all exons and splice sties of the ITGA2B and ITGB3 genes and extended 300-500 bp into the introns as well as including the UTR. They sequenced 416 bp upstream of the ITGA2B promoter and 463 bp upstream of the ITGB3 promoter. In total they sequenced 51.2% of the ITGA2B gene and 19.4% of the larger ITGB3 gene

Gene: ITGB3

Variant: NM_000212.2:c.614+1G>T and NM_000212.2:c.683G>A (p.Arg228His)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA400023344 and CA8623025

gnomAD: MAF in the African population is 0.00008012 https://gnomad.broadinstitute.org/variant/17-45363694-G-A

Supplementary Table S1:

Case1: GT1, French/African, Gender or age not specified

DiseaseAssertion: Glanzmann thrombasthenia type I

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: All patients had a life-long history of mucocutaneous bleeding

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: All patients in this study met the clinical and platelet function requirements for GT-- this includes an absent or strongly reduced expression of alphaIIbBeta3 in platelets

PlateletAggregation: All patients in this study met the clinical and platelet function requirements for GT-- this includes absent or severely reduced platelet aggregation with at least three physiological agonists

CasePreviousTesting: Sanger sequencing was performed. Sanger sequencing ensured coverage of all exons and splice sties of the ITGA2B and ITGB3 genes and extended 300-500 bp into the introns as well as including the UTR. They sequenced 416 bp upstream of the ITGA2B promoter and 463 bp upstream of the ITGB3 promoter. In total they sequenced 51.2% of the ITGA2B gene and 19.4% of the larger ITGB3 gene

Gene: ITGB3

Variant: NM_000212.2:c.1913+1G>A

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA400032825

gnomAD: N/A

Supplementary Table S1:

Case11: GT12, French, age and gender not specified

DiseaseAssertion: Glanzmann thrombasthenia type I

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: All patients had a life-long history of mucocutaneous bleeding

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: All patients in this study met the clinical and platelet function requirements for GT-- this includes an absent or strongly reduced expression of alphaIIbBeta3 in platelets

PlateletAggregation: All patients in this study met the clinical and platelet function requirements for GT-- this includes absent or severely reduced platelet aggregation with at least three physiological agonists

CasePreviousTesting: Sanger sequencing was performed. Sanger sequencing ensured coverage of all exons and splice sties of the ITGA2B and ITGB3 genes and extended 300-500 bp into the introns as well as including the UTR. They sequenced 416 bp upstream of the ITGA2B promoter and 463 bp upstream of the ITGB3 promoter. In total they sequenced 51.2% of the ITGA2B gene and 19.4% of the larger ITGB3 gene

Gene: ITGB3

Variant: NM_000212.2:c.565C>T (p.Pro189Ser)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA291224669

gnomAD: MAF in the European (non-Finnish) population is 0.00002638 https://gnomad.broadinstitute.org/variant/17-45362012-C-T

Case#: GT2 male, 7 years old

Disease: Glazmann's Thrombasthenia

CasePresentingHPOs: (found in appendix) HP:0000967, HP:0000979, HP:0031364, HP:0000978, HP:0002239

ExpressionEvidence: Flow Cytometry of platelet αIIbβ3: 0%CD41, 0% CD61

FamilyInfo: Positive consanguinity

GenotypingMethod: Sanger DNA sequencing to identify causative mutations in each case

ClinVar: 1691476

CAID: CA400030171

Variant: NM_000212.3:c.1641C>G

GnomAD: Not Found

Case25: Patient CD, gender and age are not specified, all of these patients are Caucasian (either Italian or European)

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: All patients presented with a current or past history of bleeding and a bleeding time >15 min. Bleeding symptoms were evaluated by examining available hospital records. Mild bleeders were defined as those who bled only after trauma or surgery or had minor symptoms, such as epistaxis. Moderate/severe bleeders were defined as those with a history of spontaneous or life threatening hemorrhages, such as gastrointestinal bleeding, or who had repeated episodes requiring platelet transfusions

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: See Table 1

PlateletAggregation: See Table 1

CasePreviousTesting: To identify point mutations responsible for GT, we have sequenced all coding regions of Ib and 3 genes and intron/exon boundaries.

Gene: ITGA2B

Variant: NM_000212.2:c.1801T>C

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA8623361

gnomAD: MAF in the European non Finnish population is 0.00001758 https://gnomad.broadinstitute.org/variant/17-45376784-T-C

Case20: Patient LPR, gender and age are not specified, all of these patients are Caucasian (either Italian or European)

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: All patients presented with a current or past history of bleeding and a bleeding time >15 min. Bleeding symptoms were evaluated by examining available hospital records. Mild bleeders were defined as those who bled only after trauma or surgery or had minor symptoms, such as epistaxis. Moderate/severe bleeders were defined as those with a history of spontaneous or life threatening hemorrhages, such as gastrointestinal bleeding, or who had repeated episodes requiring platelet transfusions

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: See Table 1

PlateletAggregation: See Table 1

CasePreviousTesting: To identify point mutations responsible for GT, we have sequenced all coding regions of Ib and 3 genes and intron/exon boundaries.

Gene: ITGB3

Variant: NM_000212.2:c.355C>T and NM_000212.2:c.355C>T

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA8622924 and CA8623361

gnomAD: MAF in the South Asian population is 0.0001307 https://gnomad.broadinstitute.org/variant/17-45360909-C-T and MAF in the European non Finnish pop is 0.00001758 https://gnomad.broadinstitute.org/variant/17-45376784-T-C

Case24: Patient CI, gender and age are not specified, all of these patients are Caucasian (either Italian or European)

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: All patients presented with a current or past history of bleeding and a bleeding time >15 min. Bleeding symptoms were evaluated by examining available hospital records. Mild bleeders were defined as those who bled only after trauma or surgery or had minor symptoms, such as epistaxis. Moderate/severe bleeders were defined as those with a history of spontaneous or life threatening hemorrhages, such as gastrointestinal bleeding, or who had repeated episodes requiring platelet transfusions

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: See Table 1

PlateletAggregation: See Table 1

CasePreviousTesting: To identify point mutations responsible for GT, we have sequenced all coding regions of Ib and 3 genes and intron/exon boundaries.

Gene: ITGA2B

Variant: NM_000212.2:c.1801T>C

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA8623361

gnomAD: MAF in the European non Finnish population is 0.00001758 https://gnomad.broadinstitute.org/variant/17-45376784-T-C

Supplementary Tables 1 and 2 combined information:

Case38: GT38, Female, 23 years old

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Not available per supplementary table 1

ParentalGenotype: Parents are not consanguineous, no other genotype information available

CasePresentingHPOs: HP:0000978, HP:0000979, HP:0031364, HP:0000132

(Bruising, purpura, ecchymosis, menorrhagia)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Showed <5% of αIIbβ3 expression measured by flow cytometry

PlateletAggregation: Platelet aggregation showed no response to ADP and collagen but normal response to ristocetin

CasePreviousTesting: All exons from ITGA2B and ITGB3 genes were amplified by PCR using intronic primers. DNA sequencing was determined by Sanger sequencing.

Gene: ITGA2B and ITGB3

Variant: NM_000419.3:c.2613del in ITGA2B (p.Leu872Cysfs*38) and NM_000212.2:c.1646G>C in ITGB3 (p.Cys549Ser)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA915940594 (p.Leu872Cysfs*38) and CA400030198 (p.Cys549Ser)

gnomAD: MAF of (p.Cys549Ser) in the East Asian population: 0.00005453 https://gnomad.broadinstitute.org/variant/17-45369890-G-C

Supplementary Tables 1 and 2 combined information:

Case33: GT33, Female, 12 years old

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Not available per supplementary table 1

ParentalGenotype: Parents are consanguineous, no other genotype information available

CasePresentingHPOs: HP:0000978, HP:0000979, HP:0031364, HP:0000421

(Bruising, purpura, ecchymosis, epistaxis)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Showed <5% of αIIbβ3 expression measured by flow cytometry

PlateletAggregation: Platelet aggregation showed a small response to ADP, no response to collagen but normal response to ristocetin

CasePreviousTesting: All exons from ITGA2B and ITGB3 genes were amplified by PCR using intronic primers. DNA sequencing was determined by Sanger sequencing.

Gene: ITGB3

Variant: NM_000212.2:c.719G>A (p.Arg240Gln)

LegacyVariant: N/A

ClinVar: 13553

CAiD: CA123224

gnomAD: N/A

Supplementary Tables 1 and 2 combined information:

Case31: GT31, Female, 13 years old

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Not available per supplementary table 1

ParentalGenotype: Parents are not consanguineous, no other genotype information available

CasePresentingHPOs: HP:0000978, HP:0000979, HP:0031364, HP:0000421, HP:0000225

(Bruising, purpura, ecchymosis, epistaxis, gingival bleeding)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Showed <5% of αIIbβ3 expression measured by flow cytometry

PlateletAggregation: Platelet aggregation showed no response to ADP and collagen but normal response to ristocetin

CasePreviousTesting: All exons from ITGA2B and ITGB3 genes were amplified by PCR using intronic primers. DNA sequencing was determined by Sanger sequencing.

Gene: ITGA2B and ITGB3

Variant: NM_000419.3:c.1022C>T (p.Ala341Val) in ITGA2B and NM_000212.2:c.412G>A (p.Val138Met) in ITGB3

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399804629 (p.Ala341Val) and CA400021826 (p.Val139Met)

gnomAD: N/A

Supplementary Tables 1 and 2 combined information:

Case23: GT23, Female, 11 years old

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Not available per supplementary table 1

ParentalGenotype: Parents are consanguineous, no other genotype information available

CasePresentingHPOs: HP:0000978, HP:0000979, HP:0031364, HP:0000421, HP:0000225, HP:0000132

(Bruising, purpura, ecchymosis, epistaxis, gingival bleeding, menorrhagia)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Showed <5% of αIIbβ3 expression measured by flow cytometry

PlateletAggregation: Platelet aggregation showed a small response to ADP, no response to collagen but normal response to ristocetin

CasePreviousTesting: All exons from ITGA2B and ITGB3 genes were amplified by PCR using intronic primers. DNA sequencing was determined by Sanger sequencing.

Gene: ITGB3

Variant: NM_000212.2:c.1980C>A (p.Tyr660Ter) and NM_000212.2:c.2147G>T (p.Gly716Val)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA400032983 (p.Tyr660Ter) and CA400033923 (p.Gly716Val)

gnomAD: N/A

Case28: Patient PDJ

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: N/A

PlateletAggregation: N/A

CasePreviousTesting: N/A

Gene: ITGB3

Variant: NM_000212.2:c.709_710del

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA8623029

gnomAD: MAF in the European non Finnish population is 0.00001796 https://gnomad.broadinstitute.org/variant/17-45363717-CAG-C

PreviouslyPublished: Reference 45

PreviouslyPublished: PMID: 8471765

This proband has been previously published in the PMID listed above --> see that paper to get patient information. This patient can also be found in the GT database

Case15: GT04, Female, India, age of onset is 11 years old

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: Menorrhagia HP:0000132

CaseHPOFreeText: Patients were recruited as they presented consecutively from 1996 to 1998 for evaluation of a mucocutaneous bleeding disorder

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: N/A

PlateletAggregation: All patients examined had defective ADP, epinephrine, and collagen induced aggregation and normal ristocetin induced aggregation

CasePreviousTesting: Mutations were detected by the method of single strand conformation polymorphism (SSCP) analysis, followed by nucleotide sequencing and confirmation by restriction fragment length polymorphism (RFLP) assays. The sequences of the primers employed and the reaction conditions for PCR amplification of the exons, adjacent intronic regions, and 50 and 30 untranslated regions of the aIIb and b3 gene

Gene: ITGB3

Variant: NM_000212.2:c.262C>T (p.Arg88Ter) and NM_000212.2:c.356G>A (p.Arg119Gln)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA400020703 and CA8622925

gnomAD: MAF in the Other population is 0.0001385 https://gnomad.broadinstitute.org/variant/17-45360816-C-T and MAF in the African population is 0.0002470 https://gnomad.broadinstitute.org/variant/17-45360910-G-A

Case16: GT07, Male, India, age of onset is 3 years old

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Patients were recruited as they presented consecutively from 1996 to 1998 for evaluation of a mucocutaneous bleeding disorder

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: N/A

PlateletAggregation: All patients examined had defective ADP, epinephrine, and collagen induced aggregation and normal ristocetin induced aggregation

CasePreviousTesting: Mutations were detected by the method of single strand conformation polymorphism (SSCP) analysis, followed by nucleotide sequencing and confirmation by restriction fragment length polymorphism (RFLP) assays. The sequences of the primers employed and the reaction conditions for PCR amplification of the exons, adjacent intronic regions, and 50 and 30 untranslated regions of the aIIb and b3 gene

Gene: ITGB3

Variant: NM_000212.2:c.153del (p.Trp51CysfsTer5)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA915940728

gnomAD: N/A

Case34: GT55, Male, India, age of onset is 21 years old

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Patients were recruited as they presented consecutively from 1996 to 1998 for evaluation of a mucocutaneous bleeding disorder

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: N/A

PlateletAggregation: All patients examined had defective ADP, epinephrine, and collagen induced aggregation and normal ristocetin induced aggregation

CasePreviousTesting: Mutations were detected by the method of single strand conformation polymorphism (SSCP) analysis, followed by nucleotide sequencing and confirmation by restriction fragment length polymorphism (RFLP) assays. The sequences of the primers employed and the reaction conditions for PCR amplification of the exons, adjacent intronic regions, and 50 and 30 untranslated regions of the aIIb and b3 gene

Gene: ITGB3

Variant: NM_000212.2:c.921C>A (p.Tyr307Ter)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA400025209

gnomAD: N/A

Case29: GT40, Female, India, age of onset is 6 years old

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Patients were recruited as they presented consecutively from 1996 to 1998 for evaluation of a mucocutaneous bleeding disorder

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: N/A

PlateletAggregation: All patients examined had defective ADP, epinephrine, and collagen induced aggregation and normal ristocetin induced aggregation

CasePreviousTesting: Mutations were detected by the method of single strand conformation polymorphism (SSCP) analysis, followed by nucleotide sequencing and confirmation by restriction fragment length polymorphism (RFLP) assays. The sequences of the primers employed and the reaction conditions for PCR amplification of the exons, adjacent intronic regions, and 50 and 30 untranslated regions of the aIIb and b3 gene

Gene: ITGB3

Variant: NM_000212.2:c.428T>G (p.Leu143Trp)

LegacyVariant: N/A

ClinVar: 13567

CAiD: CA123252

gnomAD: MAF in the Other population is 0.0001629 https://gnomad.broadinstitute.org/variant/17-45361875-T-G)

Case18: GT09, Female, India, age of onset is 21 years old

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Patients were recruited as they presented consecutively from 1996 to 1998 for evaluation of a mucocutaneous bleeding disorder

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: N/A

PlateletAggregation: All patients examined had defective ADP, epinephrine, and collagen induced aggregation and normal ristocetin induced aggregation

CasePreviousTesting: Mutations were detected by the method of single strand conformation polymorphism (SSCP) analysis, followed by nucleotide sequencing and confirmation by restriction fragment length polymorphism (RFLP) assays. The sequences of the primers employed and the reaction conditions for PCR amplification of the exons, adjacent intronic regions, and 50 and 30 untranslated regions of the aIIb and b3 gene

Gene: ITGB3

Variant: NM_000212.2:c.428T>G (p.Leu143Trp) and NM_000212.2:c.1261G>A (p.Val422Met)

LegacyVariant: N/A

ClinVar: 13567

CAiD: CA123252 and CA400028437

gnomAD: MAF in the Other population is 0.0001629 https://gnomad.broadinstitute.org/variant/17-45361875-T-G

Case22: Female, age not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: N/A

PlateletAggregation: Minimal information, not specific enough

CasePreviousTesting: Sanger sequencing identified disease-causing variants in 18 out of 20 patients (Probands 6 and 14 excluded) with istoantibodies to αIIbβ3. The mutations were evenly distributed between ITGB3 and ITGA2B.

Gene: ITGB3

Variant: NM_000212.2:c.166-2A>G (IVS2-2A>G)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA291224483

gnomAD: N/A

Supplementary Table S1 & S2 Proband and Variant Information:

Case51: GT51, Male, 29 years old, French/African

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0000421 (Epistaxis)

CaseHPOFreeText: Mucocutaneous bleeding

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: N/A

PlateletAggregation: Absent platelet aggregation (See Supplementary Table 1)

CasePreviousTesting: Sanger sequencing of ITGA2B and ITGB3

Gene: ITGB3

Variant: NM_000212.2:c.861del (p.Arg287Serfs * 34) and NM_000212.2:c.1456del (p.Cys486Alafs * 183)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA915940375 and CA915940376

gnomAD: N/A

Supplementary Table S1 & S2 Proband and Variant Information:

Case58: GT60, Male, 54 years old, French/Italian

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0000421, HP:0000978, HP:0002239, HP:0000225

(Epistaxis, easy bruising, GI bleeding, gingival bleeding)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry showed <5% expression of αIIbβ3 (See Supplementary Table 1)

PlateletAggregation: Absent platelet aggregation (See Supplementary Table 1)

CasePreviousTesting: Sanger sequencing of ITGA2B and ITGB3

Gene: ITGB3

Variant: NM_000212.2:c.1801T>C (p.Cys601Arg)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA8623361

gnomAD: MAF in the European (non-Finnish) population is 0.00001758 https://gnomad.broadinstitute.org/variant/17-45376784-T-C

Case Info Found in supplementary data:

Case#: Patient GT, Female 43 years old. Greek family.

FamilyInfo: Two sisters, one affected.

Disease: Glazmann's Thrombasthenia

CasePresentingHPOs: HP:0003540, HP:0000967, HP:0031364, HP:0000421, HP:0000225, HP:0000978, HP:0000132

Impaired platelet aggregation, Petechiae, Ecchymosis, Epistaxis, Gingival bleeding, bruising susceptibility, Menorrhagia,

PlateletAgreggation: Light transmission aggregometry studies demonstrated no aggregation in response to ADP, epinephrine, collagen, and arachidonic acid, but a normal response to ristocetin.

GenotypingMethod: Reverse transcription PCR of platelet RNA confirmed the presence of a homozygous β3 C575R mutation.

ClinVar: NA

PAID: PA2573320341 (almost certainly CA400032399 but no c. reported)

Variant: NA

GnomAD: NA

ExpressionEvidence: Flow cytometry demonstrated normal platelet binding of an antibody to GPIb, but virtually no binding of mAb 7E3. Immunoblot analysis demonstrated the presence of <20% of normal β3, with a faint band corresponding to pro-αIIb

Case1: Mother L

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Assessment of surface PTL expression of GPIIIa-IIb was performed

PlateletAggregation: N/A

CasePreviousTesting: DNA sequence analysis was performed -- direct sequence analysis of the PCR products corresponding to exon 10 was performed here

Gene: ITGA2B

Variant: NM_000212.2:c.1447T>C

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA400029321

gnomAD: N/A

Case#: 11 yo, Female

DiseaseAssertion: GT

FamilyInfo: No family hx. No pedigree.

CasePresentingHPOs: (HP:0002249) Melena; (HP:0000421) Epistaxis; (HP:0000225) Gingival bleeding; (HP:0100769) Synovitis; (HP:0005261) Joint hemorrhage, right ankle; (HP:0001891) Iron deficiency anemia;

PlateletAggregation: Prothrombin time: 11, Partial thromboplastin time: 26, Platelet function analyzer-100: >300

CaseHPOFreeText: stable intestinal angiodysplasia

ProteinExpression: Flow cytometry: CD41 and 61 <50%

CasePreviousTesting: Molecular sequencing, Patients’ information was obtained from the medical record system of the Madinah Hereditary Blood Disorders Center, Maternity and Children Hospital, King Fahd Hospital, Al Madinah, Saudi Arabia.

Gene: ITGB3

HGVS: NM_000212.3:c.2111_2112del

ClinVar:

CAID: CA3062865178

gnomAD:

Case2: (GT2) Male, 76 years old, French

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Mucocutaneous bleeding

CaseNotHPOs: N/A

ProteinExpression: <5% surface expression levels of αIIbβ3

Platelet Aggregation: Absent platelet aggregation to all agonists (no mention for which agonists or response to ristocetin)

CasePreviousTesting: All the information we are given is "mutation screening of the ITGA2B and ITGB3 genes" the method for sequencing etc. was not stated

Gene: ITGB3

Variant: NM_000212.2:c.1260G>A

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA8623200

gnomAD MAF in the African population is 0.00004005 https://gnomad.broadinstitute.org/variant/17-45368454-G-A

Case6: (GT6), Male, 82 years old, French

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Mucocutaneous bleeding

CaseNotHPOs: N/A

ProteinExpression: 40-55% surface expression levels of αIIbβ3

Platelet Aggregation: Absent platelet aggregation to all agonists (no mention for which agonists or response to ristocetin)

CasePreviousTesting: All the information we are given is "mutation screening of the ITGA2B and ITGB3 genes" the method for sequencing etc. was not stated

Gene: ITGB3

Variant: NM_000212.2:c.665T>C (p.Leu222Pro) and NM_000212.2:c.1871G>A (p.Cys592Tyr)

LegacyVariant: (p.Leu196Pro) and (p.Cys624Tyr) (The paper gives legacy and current nomenclature)

ClinVar: N/A

CAiD: CA291224887 and CA400032726

gnomAD MAF in the European (non-Finnish) population is 0.00006482 https://gnomad.broadinstitute.org/variant/17-45363676-T-C

Case#: Female, 75 (age when studied in 1975)

Disease: Glazmann's Thrombasthenia Like Syndrome

CasePresentingHPOs: HP:0001873, HP:0006298

Thrombocytopenia, Prolonged bleeding after dental extraction

CaseNotHPOs: NA

FamilyInfo: Pedigree figure 1. Several affected family members.

PlateletAgreggation:Daughter studied: Decreased PLT aggregation and diminished ATP release with the agonists ADP, collagen, and AA, with normal ristocetin agglutination

GenotypingMethod: Genetic analysis of ITGA2B and ITGB3 genes was performed by next-generation sequencing (NGS). Sanger sequencing used to confirm variants.

From Daughter

ClinVar: Not Found

CAID: CA400034393

Variant: NM_000212.3:c.2278C>T (ITGB3)

GnomAD: Not Found

ExpressionEvidence: Level of expression on PLT surface determined by FCM: CD41a (GPIIb/IIIa) 52%, CD61 (GPIIIa) 77%, and CD42b (GPIb) 129%. Healthy control value range: CD41a (GPIIb/IIIa) (85-115%); CD61 (GPIIIa) (80-120%); CD42b (GPIb) (70-130%).

Case#: Female, 37 (age when studied)

Disease: Glazmann's Thrombasthenia Like Syndrome

CasePresentingHPOs: HP:0001873, HP:0000978, HP:0000225

Thrombocytopenia, bruising susceptibility, gingival bleeding

CaseNotHPOs: NA

FamilyInfo: Pedigree figure 1. Several affected family members, history of thrombocytopenia.

PlateletAgreggation:Sister studied: Decreased PLT aggregation and diminished ATP release with the agonists ADP, collagen, and AA, with normal ristocetin agglutination

GenotypingMethod: Genetic analysis of ITGA2B and ITGB3 genes was performed by next-generation sequencing (NGS). Sanger sequencing used to confirm variants.

ClinVar: Not Found

CAID: CA400034393

Variant: NM_000212.3:c.2278C>T (ITGB3)

GnomAD: Not Found

ExpressionEvidence: Level of expression on PLT surface determined by FCM: CD41a (GPIIb/IIIa) 73%, CD61 (GPIIIa) 74%, and CD42b (GPIb) 111%. Healthy control value range: CD41a (GPIIb/IIIa) (85-115%); CD61 (GPIIIa) (80-120%); CD42b (GPIb) (70-130%).

PMID: 8093349

Gene: ITGB3

HGNC: 6156

PMID: 8400280

Gene: ITGB3

HGNC: 6156

Case5: No assertion made on age, gender or ethnicity

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: The identified variants were heterozygote in parents.

CasePresentingHPOs: N/A

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: N/A

CasePreviousTesting: Genetic study of patient was conducted using direct sequencing of entire coding and exon-intron boundaries of the ITGA2B and ITGB3 genes.

Gene: ITGB3

Variant: NM_000212.2:c.538G>A (p.Gly180Arg) and NM_000212.2:c.155G>T (p.Cys52Phe)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA8622972 (p.Gly180Arg) CA8622859 (p.Cys52Phe)

gnomAD: "Other" population (p.Gly180Arg) MAF is 0.0001630 https://gnomad.broadinstitute.org/variant/17-45361985-G-A and South Asian population p.Cys52Phe) MAF is 0.00003266.

PMID: 33600779

Case21: (ProbandGT-21) Male, age not specified, Caucasian

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

ProteinExpression: Flow cytometry showed <5% GPIIIa and GPIIIb surface expression

Platelet Aggregation: N/A

CasePreviousTesting: Promoter and exon sequences of aIIb and b3 genes were amplified and directly sequence

Gene: ITGB3

Variant: NM_000212.2:c.191G>A (p.Cys64Tyr) the second mutation was not identified

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA291224490

gnomAD N/A

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

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