PMID: 15634267

Gene: ITGB3

HGNC: 6156

PMID: 9916135

Gene: ITGA2B and/or ITGB3

NoEvidence: This article does not mention GT patients with variants in ITGA2B and/or ITBG3; therefore there is no evidence. Researchers in this study generated a strain of B3 null mice, these mice will allow analysis of other suggested functions of B3 integrins.

Case4: Male, 4 years old, Korean

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: Figure 1 shows haplotype analysis

CasePresentingHPOs: HP:0000978, HP:0000967

(Easy bruising, petechiae)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry analyses revealed decreased expression at a level of 7.5%(type II GT)

PlateletAggregation: Platelet aggregation tests were performed to evaluate responses to ADP, collagen, epinephrine, and ristocetin agonists

CasePreviousTesting: Polymerase chain reaction for all exons of ITGA2Band/orITGB3were performed using primers. Sequence analysis was performed with reference to M_000419.3 andNP_000410.2 for ITGA2B and NM_000212.2 and NP_000203.2 for ITGB3.

Gene: ITGA2B

Variant: NM_000419.3:c.2333A>C (p.Gln778Pro) and NM_000419.3:c.1750C>T (p.Arg584Ter)

LegacyVariant: N/A

ClinVar: 225393 and 2892

CAiD: CA290947544 and CA115834

gnomAD: MAF in the East Asian population is 0.0001087 http://gnomad.broadinstitute.org/variant/17-42453691-T-G and MAF in the East Asian population is 0.0002176 http://gnomad.broadinstitute.org/variant/17-42457372-G-A

Supplementary Table S1 & S2 Proband and Variant Information:

Case4: GT5, Male, 7, French

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: 1 brother, that is all Supp table S1 states

ParentalGenotype: N/A

CasePresentingHPOs: HP:0000421, HP:0000978, HP:0002138

(Epistaxis, easy bruising, subararachnoid hemorrhoid)

CaseHPOFreeText: Post-traumatic 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.565C>T (p.Pro189Ser) and NM_000212.2:c.2113del (p.Leu705Cysfs*4)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA291224669 and CA8623443

gnomAD: MAF in the European (non-Finnish) population is 0.00002638 http://gnomad.broadinstitute.org/variant/17-45362012-C-T and MAF in the East Asian population is 0.0001087 http://gnomad.broadinstitute.org/variant/17-45380183-TC-T

Supplementary Table S1 & S2 Proband and Variant Information:

Case71: GT75, Female, 9 years old, French/African

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0031364, HP:0000421, HP:0000225

(Ecchymosis, epistaxis, gingival bleeding)

CaseHPOFreeText: Lots of deciduous teeth with bleeding, hematomas in the eye and under the clavicle

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry showed less than 5% αIIbβ3 (See Supplementary Table 1)

PlateletAggregation: Absent platelet aggregation (See Supplementary Table 1)

CasePreviousTesting: Sanger sequencing of ITGA2B and ITGB3

Gene: ITGA2B

Variant: NM_000419.3:c.*165T>C

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA915940530

gnomAD: N/A

Supplementary Table S1 & S2 Proband and Variant Information:

Case2: GT3, Female, 32, French

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0000421, HP:0031364, HP:0000979, HP:0002239

(Epistaxis, ecchymosis, purpura, GI bleeding,)

CaseHPOFreeText: Excessive menstrual bleeding, proband sometimes hospitalized with severe symptoms

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.353T>A, NM_000212.2:c.709_710del, NM_000212.2:c.1732G>A

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA291224511, CA8623029 and CA8623343

gnomAD: MAF in the European non Finnish populationis 0.00001796 http://gnomad.broadinstitute.org/variant/17-45363717-CAG-C and MAF in the Other popualation is 0.0008149 http://gnomad.broadinstitute.org/variant/17-45376715-G-A

Supplementary Table S1 & S2 Proband and Variant Information:

Case57: GT58, Male, 14, Argentinian/European

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0000421, HP:0000967, HP:0000225, HP:0011886

(Epistaxis, petechia, gingival bleeding, hyphema)

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: ITGA2B

Variant: NM_000419.3:c.601G>A (p.Gly201Ser)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399805612

gnomAD: N/A

Supplementary Table S1 & S2 Proband and Variant Information:

Case49: GT49, Female, 16 years old, French/Spanish

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0031364, HP:0000421

(Ecchymosis, epistaxis)

CaseHPOFreeText: Post-traumatic hematomas, proband has severe epistaxis

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry showed 5-10% expression of αIIbβ3 (See Supplementary Table 1)

PlateletAggregation: Absent platelet aggregation (See Supplementary Table 1)

CasePreviousTesting: Sanger sequencing of ITGA2B and ITGB3

Gene: ITGA2B

Variant: NM_000419.3:c.1440-13_1440-1del (p.Arg480Serfs*106) and NM_000419.3:c.2113T>C (p.Clys705Arg)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA913184940 and CA8602816

gnomAD: MAF in the European (non-Finnish) population is 0.000008792 http://gnomad.broadinstitute.org/variant/17-42455140-A-G

Supplementary Table S1 & S2 Proband and Variant Information:

Case36: GT38, Female, 9 years old, Swiss

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0000967, HP:0000978, HP:0002239

(Petechiae, easy bruising, GI 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.79+1G>A and NM_000212.2:c.940-2A>G

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA400028478 and CA400025605

gnomAD: N/A

Supplemental Table S1:

Case34: Female, Germany, age not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Moderate to severe bleeding that prompted transfusion

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: <5% αIIbβ3 expression

PlateletAggregation: Absent platelet aggregation (all the information that is provided in Supp. Table S1)

CasePreviousTesting: Sanger sequencing of exons, splice sites and untranslated regions of the ITGA2B and ITGB3 genes was performed

Gene: ITGA2B

Variant: (p.Cys705Leu) not getting this to show up in CAR need to consult senior biocurator noting this as Unknown Variant --> Variant can't be identified

LegacyVariant: N/A

ClinVar: N/A

CAiD: ^

gnomAD: ^

PreviouslyPublished: PMID: 20345392

Supplemental Table S1:

Case25: Female, Italy, age not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Severe bleeding

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: <5% αIIbβ3 expression

PlateletAggregation: Absent platelet aggregation (all the information that is provided in Supp. Table S1)

CasePreviousTesting: Sanger sequencing of exons, splice sites and untranslated regions of the ITGA2B and ITGB3 genes was performed

Gene: ITGA2B

Variant: NM_000419.3:c.2051T>G (p.Leu684Arg)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399799849

gnomAD: N/A

PreviouslyPublished: PMID: 21113249

Supplemental Table S1:

Case37: Female, India, age not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Mild bleeding

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: <5% αIIbβ3 expression

PlateletAggregation: Absent platelet aggregation (all the information that is provided in Supp. Table S1)

CasePreviousTesting: Sanger sequencing of exons, splice sites and untranslated regions of the ITGA2B and ITGB3 genes was performed

Gene: ITGA2B

Variant: NM_000419.3:c.2264G>C (p.Arg755Pro)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA8602772

gnomAD: MAF in the European non Finnish population is 0.00001060 https://gnomad.broadinstitute.org/variant/17-42454380-C-G

PreviouslyPublished: PMID: 19172520

Case7: GT-7, gender, age, ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia type II

FamilyInfo: N/A

ParentalGenotype: Segregation analysis confirmed the presence of heterozygous mutations in carrier parents

CasePresentingHPOs: N/A

CaseHPOFreeText: Article mentions patients presented with variable bleeding diathesis and Table 1 shows the several phenotypes that were seen among the cohort of 13 patients in this study (this article does not state a specific bleeding phenotype for each proband) "Most of the patients had gross blood loss due to epistaxis (54%), cutaneous bleeding (58%) and menorrhagia (100% of women), while other common symptoms (oral cavity, gastrointestinal, following dental extraction or mild injuries, postpartum, or hematomas) were in general milder."

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry showed αIIbβ3 expression to be between 5% and 20%

PlateletAggregation: Article mentions the disorder was indentified by platelet testing consisting in severely impaired aggregation in response to all physiological agonists and also TMA (See Table 4). Ristocetin-induced platelet aggregation was normal or reduced to some extent.

CasePreviousTesting: To detect mutations in ITGA2B or ITGB3, total RNA from peripheral blood was used for cDNA synthesis for RT-PCR. Using specific oligonucleotides and conditions, they amplified and sequenced ITGA2B and ITGB3 by Sanger sequencing, and every mutation found in cDNA was confirmed on DNA samples

Gene: ITGB3

Variant: NM_000212.2:c.431T>G (p.Met144Arg)

LegacyVariant: (p.Met118Arg)

ClinVar: N/A

CAiD: CA291224645

gnomAD: N/A

Case6: GT-6, gender, age, ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia type II

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Article mentions patients presented with variable bleeding diathesis and Table 1 shows the several phenotypes that were seen among the cohort of 13 patients in this study (this article does not state a specific bleeding phenotype for each proband) "Most of the patients had gross blood loss due to epistaxis (54%), cutaneous bleeding (58%) and menorrhagia (100% of women), while other common symptoms (oral cavity, gastrointestinal, following dental extraction or mild injuries, postpartum, or hematomas) were in general milder."

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry showed αIIbβ3 expression to be <5%

PlateletAggregation: Article mentions the disorder was indentified by platelet testing consisting in severely impaired aggregation in response to all physiological agonists and also TMA (See Table 4). Ristocetin-induced platelet aggregation was normal or reduced to some extent.

CasePreviousTesting: To detect mutations in ITGA2B or ITGB3, total RNA from peripheral blood was used for cDNA synthesis for RT-PCR. Using specific oligonucleotides and conditions, they amplified and sequenced ITGA2B and ITGB3 by Sanger sequencing, and every mutation found in cDNA was confirmed on DNA samples

Gene: ITGA2B

Variant: NM_000419.3:c.2944G>A (p.Val982Met) and NM_000419.3:c.2965G>A (p.Ala989Thr) and NM_000419.3:c.1612G>T (p.Glu538Ter)

LegacyVariant: (p.Val951Met) and (p.Ala958Thr) and (p.Glu507Ter)

ClinVar: 381747 and 417951

CAiD: CA16608466 (p.Val951Met) and CA8602498 (p.Ala958Thr) and CA399802424 (p.Glu538Ter)

gnomAD: MAF in European (non-Finnish population) 0.00006486 http://gnomad.broadinstitute.org/variant/17-42451838-C-T and MAF in other population is 0.001939 http://gnomad.broadinstitute.org/variant/17-42451817-C-T

PreviouslyPublished: PMID: 15099289(p.Val951Met) and (p.Ala958Thr)

Case5: GT-5, gender, age, ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia type I

FamilyInfo: N/A

ParentalGenotype: Segregation analysis confirmed the presence of heterozygous mutations in carrier parents

CasePresentingHPOs: N/A

CaseHPOFreeText: Article mentions patients presented with variable bleeding diathesis and Table 1 shows the several phenotypes that were seen among the cohort of 13 patients in this study (this article does not state a specific bleeding phenotype for each proband) "Most of the patients had gross blood loss due to epistaxis (54%), cutaneous bleeding (58%) and menorrhagia (100% of women), while other common symptoms (oral cavity, gastrointestinal, following dental extraction or mild injuries, postpartum, or hematomas) were in general milder."

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry showed αIIbβ3 expression to be <5%

PlateletAggregation: Article mentions the disorder was indentified by platelet testing consisting in severely impaired aggregation in response to all physiological agonists and also TMA (See Table 4). Ristocetin-induced platelet aggregation was normal or reduced to some extent.

CasePreviousTesting: Article mentions patients presented with variable bleeding diathesis and Table 1 shows the several phenotypes that were seen among the cohort of 13 patients in this study (this article does not state a specific bleeding phenotype for each proband) "Most of the patients had gross blood loss due to epistaxis (54%), cutaneous bleeding (58%) and menorrhagia (100% of women), while other common symptoms (oral cavity, gastrointestinal, following dental extraction or mild injuries, postpartum, or hematomas) were in general milder."

Gene: ITGA2B

Variant: NM_000419.3:c.1612G>T (Glu538Ter) and NM_000419.3:c.2637del c.2637delC

LegacyVariant: (p.Glu507Ter)

ClinVar: N/A

CAiD: CA399802424 and CA915940297

gnomAD: N/A

Supplementary Table S1:

Case16: GT19, French Gypsy, 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: ITGA2B

Variant: NM_000419.3:c.1544+1G>A (p.Val513Leufs*106)

LegacyVariant: N/A

ClinVar: 2895

CAiD: CA10575473

gnomAD: N/A

Supplementary Table S1:

Case4: GT5, French, age and ethnicity 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) and NM_000212.2:c.2113del (p.Leu705Cysfs*4)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA291224669 and CA8623443

gnomAD: MAF in the European (non-Finnish) population is 0.00002638 https://gnomad.broadinstitute.org/variant/17-45362012-C-T and MAF in the East Asian population is 0.0001087 https://gnomad.broadinstitute.org/variant/17-45380183-TC-T

Supplementary Table S1:

Case20: GT23, French, gender and age are 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.1031A>C (p.Tyr344Ser)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA400025814

gnomAD: N/A

Supplementary Table S1:

Case22: GT25, French, 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: ITGA2B

Variant: NM_000419.3:c.1413C>G (p.Tyr471Ter) and NM_000419.3:c.1882C>T (p.Arg628Ter)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA290950376 and CA399801310

gnomAD: MAF in the European (non-Finnish) population is 0.000008791 for (p.Tyr471Ter) and MAF in the Latino population is 0.00003983 for the (p.Arg628Ter) variant https://gnomad.broadinstitute.org/variant/17-42456075-G-A

Supplementary Table S1:

Case12: GT13, 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: ITGA2B

Variant: NM_000419.3:c.682C>T (p.Gln228Ter) and NM_000419.3:c.1750C>T (p.Arg584Ter)

LegacyVariant: N/A

ClinVar: 2892

CAiD: CA399805421 and CA115834

gnomAD: MAF in the East Asian population is 0.0002176 https://gnomad.broadinstitute.org/variant/17-42457372-G-A

Supplementary Table S1:

Case52: GT61, French/Italian, gender and age are 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.224del (p.Cys75LeufsTer10)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA8622899

gnomAD: N/A

Supplementary Table S1:

Case45: GT52, Argentina/Brazil, 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: ITGA2B

Variant: NM_000419.3:c.601G>A (p.Gly201Ser)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399805612

gnomAD: N/A

Case8: GT27, 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: ITGA2B

Variant: NM_000419.3:c.800-2A>G

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399805152

gnomAD: N/A

PMID: 14592825

Gene: ITGA2B and/or ITGB3

HGNC: 6138 and 6156

NoEvidence: This article does not mention GT patients with variants in ITGA2B and/or ITGB3; therefore, there is no evidence

In this particular study, the effect of rFVIIa on the aggregation of αIIbβ3-deficient platelets was investigated in a system consisting of isolated platelets and purified coagulation factors.

Case6: No assertion made on age, gender or ethnicity

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: The identified variants were heterozygote in parents.

CasePresentingHPOs: HP:0005542, HP:0000132, HP:0000421, HP:0000979

(Prolonged clotting, menorrhagia, epistaxis, purpura)

CaseHPOFreeText: Bleeding time of 17 minutes, upper GI bleeding

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.1990G>T (p.1990G>T)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA400033003

gnomAD: N/A

PMID: 31029159

Gene: ITGB3 and ITGA2B

HGNC: 6156 and 6138 respectively as shown above.

Supplementary Tables 1 and 2 combined information:

Case17b: GT17b, Male, 15 years old, brother of GT17a

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: 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:0002239

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

CaseHPOFreeText: Post traumatic hemorrhage

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

Variant: NM_000419.3:c.2671C>T (p.Gln891Ter)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA8602626 (p.Gln891Ter)

gnomAD: N/A

Supplementary Tables 1 and 2 combined information:

Case24: GT24, Female, 7 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 10-20% 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: ITGA2B

Variant: NM_000419.3:c.2333A>C (p.Gln778Pro) and NM_000419.3:c.1750C>T (p.Arg584Ter) This article is still being done-Meera)

LegacyVariant: N/A

ClinVar: 225393 (p.Gln778Pro) and 2892 (p.Arg584Ter)

CAiD: CA290947544 (p.Gln778Pro) and CA115834 (p.Arg584Ter)

gnomAD: MAF in East Asian population: 0.0002176 (p.Arg584Ter) https://gnomad.broadinstitute.org/variant/17-42457372-G-A and MAF in East Asian population for p.Gln778Pro 0.0001087 https://gnomad.broadinstitute.org/variant/17-42453691-T-G

Supplementary Tables 1 and 2 combined information:

Case11: GT11, Female, 12 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:0000225, HP:0000225

(Bruising, purpura, ecchymosis, 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 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: ITGB3

Variant: NM_000212.2:c.842A>C (p.His281Pro) and NM_000212.2:c.1199G>A (p.Cys400Tyr)

LegacyVariant: N/A

ClinVar: 13562 (p.Cys400Tyr)

CAiD: CA400024802 (p.His281Pro) and CA123244 (p.Cys400Tyr)

gnomAD: N/A

NM_000212:c.1616T>G

Case3: Male, 6 years old, Andra Pradesh India

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: HP:0031364, HP:0000225

(Ecchymosis, gingival bleeding)

CaseHPOFreeText: Bleeding during tooth extraction

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: See Table 1 for values

PlateletAggregation: See Table 1 for values

CasePreviousTesting: PCR amplification of ITAG2B and ITGB3

Gene: ITGA2B

Variant: NM_000419.3:c.952T>A (p.Ser318Leu)

LegacyVariant: (p.Ser287Leu)

ClinVar: N/A

CAiD: CA399804792

gnomAD: N/A

PMID: 32212884

Case#: 64 year old male

Disease: Glazmann's Thrombasthenia Like Syndrome

CasePresentingHPOs: HP:0001873, HP:0000421

Thrombocytopenia, Epistaxis

CaseNotHPOs: HP:0006298

Prolonged bleeding after dental extractions

FamilyInfo: Pedigree figure 1. Mother, affected, thrombocytopenia, son, affected, thrombocytopenia. Daughter normal PLT.

PlateletAgreggation: 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: 50233

CAID: CA10575573

Variant: NM_000419.5:c.3076C>T

GnomAD: Not Found

ExpressionEvidence: Level of expression on PLT surface determined by FCM: CD41a (GPIIb/IIIa) 37%, CD61 (GPIIIa) 40%, and CD42b (GPIb) 82%. Healthy control value range: CD41a (GPIIb/IIIa) (85-115%); CD61 (GPIIIa) (80-120%); CD42b (GPIb) (70-130%).

PMID: 7687438

Gene: ITGA2B and/or ITGB3

HGNC: 6138 and 6156

NoEvidence: This article does not mention Glanzmann thrombasthenia patients with variants in ITGA2B and ITGB3. Rather, This article reports another aspect of relationship between GPIIIb -IIIa and protein tyrosine phosphorylation, that is, the involvement of GPIIb-IIIa in dephosphorylation of certain tyrosine phosphorylated proteins

Case16: Family II (patient found in the GT database as well) gender and age are not specified here

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: ITGA2B

Variant: NM_000419.3:c.1750C>T (p.Arg584Ter)

LegacyVariant: N/A

ClinVar: 2892

CAiD: CA115834

gnomAD: MAF in the East Asian population is 0.0002176 https://gnomad.broadinstitute.org/variant/17-42457372-G-A

PreviouslyPublished: Reference number 28 in this article

Case21: Patient MC gender and age are not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: Gingival bleeding HP:0000225

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: <12% of normal

PlateletAggregation: N/A

CasePreviousTesting: N/A

Gene: ITGA2B

Variant: M_000419.3:c.3060+2T>C and NM_000419.3:c.3094dup

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA290944108 and CA915940756

gnomAD: MAF in the European (non-Finnish) population is 0.00003876 https://gnomad.broadinstitute.org/variant/17-42451720-A-G

PreviouslyPublished: References 34-36

Case18: Iranian-Jewish patient (found in the GT database), gender and age are not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Mucous membrane bleeding

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Minimal GPIIIa and GPIIb surface expression

PlateletAggregation: N/A

CasePreviousTesting: N/A

Gene: ITGA2B

Variant: NM_000419.3:c.113del

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA915940264

gnomAD: N/A

PreviouslyPublished: Reference number 30

Case29: Strasbourg 1

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: Bruising HP:0000978

CaseHPOFreeText: Hematoma

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: N/A

PlateletAggregation: N/A

CasePreviousTesting: N/A

Gene: ITGB3

Variant: NM_000212.2:c.718C>T (p.Arg240Trp)

LegacyVariant: N/A

ClinVar: 13555

CAiD: CA123228

gnomAD: MAF in the East Asian population is 0.00005437 https://gnomad.broadinstitute.org/variant/17-45363729-C-T

PreviouslyPublished: Ref 46, 47

PMID: 25548835

Gene: ITGA2B and/or ITGB3

HGNC: 6138 and 6156

InsufficientEvidence: This article reports a case study with an individual with GT; however, no variants in ITGA2B or ITGB3 are reported here

IN PROGRESS not complete

Case1: Male, 66 years old, Japanese

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo:

ParentalGenotype: HP:0000979, HP:0000421

CasePresentingHPOs: (Purpura, epistaxis)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOFreeText: N/A

ProteinExpression:

PlateletAggregation: Absent platelet aggregation in response to collagen and ADP although agglutination in response to ristocetin was normal

CasePreviousTesting:

Gene: ITGA2B

Variant: NM_000419.3:c.2602-3C>G

LegacyVariant:

ClinVar: 2893

CAiD: CA10575472

gnomAD: MAF in the East Asian population is 0.00006523 https://gnomad.broadinstitute.org/variant/17-42453087-G-C

PMID: 9695983

Gene: ITGA2B and ITGB3

HGNC: 6138 and 6156

InsufficientEvidence: This article mentions variants in ITGA2B and ITGB3; however, there is no specific details of the GT patient's blood that was drawn to study these variants; therefore, there is insufficient evidence

Case20: (Proband CabGT-21), Male, age not specified, North African

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 GPIIb 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.100C>T (p.Arg34Ter)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA8622852

gnomAD MAF in the African population is 0.00008013 https://gnomad.broadinstitute.org/variant/17-45351805-C-T

Case1: Female, 18 years old, ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry showed mutated CD41 protein and lack of CD61 surface expression

PlateletAggregation: Platlets were stimulated by ADP and thromboxane A2 and stained with PAC-1, which specifically detects only the activated conformation of αIIbβ3. GT platelets from both sources showed diminished PAC-1 binding after both agonist treatments compared to corresponding CTR cells

CasePreviousTesting: PCR primers used for sequencing of exons containing mutations in ITGA2B gene

Gene: ITGA2B

Variant: NM_000419.3:c.1922C>T (p.Pro641Leu) and NM_000419.3:c.2478dup (p.Gly827Trp)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399801154 and CA915940290

gnomAD: N/A

PMID: 21781244

Genes: ITGB3

HGNC: 6156

InsufficientEvidence: This article mentions several variants in ITGB3; however no mention of individual probands with these variants

Case31: (GT-36) Male, age or ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Proband GT31-GT34 are related

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Bleeding severity: Mild (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: ITGA2B

Variant: NM_000419.3:c.1879-2A>G

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA290949031

gnomAD: N/A

Case37: (GT-47) Female, age or ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Proband GT45-GT48 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: ITGA2B

Variant: NM_000419.3:c.1879-2A>G

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA290949031

gnomAD: N/A

Case7: (GT-08) Female, age or ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Probands 1-9 are related to GT-08 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 (See Supplementary Table 3)

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Flow cytometry results not available (See Supplemental Table 3)

PlateletAggregation: No 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: ITGA2B

Variant: NM_000419.3:c.1210+5G>A

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA915940251

gnomAD: N/A

Case39: (GT-49) 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

Case13: (GT-15) Male, carrier, age or ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Probands GT16-GT20 are related to GT-15 see Table 1

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

CasePresentingHPOs: N/A

CaseHPOFreeText: Bleeding severity: Mild (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

Case4: (GT4), Female, 72 years old, French

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Mucocutaneous bleeding

CaseNotHPOs: N/A

ProteinExpression: 10% 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.724C>T (p.Arg242Ter) and NM_000212.2:c.1871G>A (p.Cys624Tyr)

LegacyVariant: (p.Arg216Ter) and (p.Cys598Tyr) (The paper gives legacy and current nomenclature)

ClinVar: N/A

CAiD: CA400023596 (p.Arg242Ter) and CA400032726 (p.Cys624Tyr)

gnomAD MAF in the European (non-Finnish) population is 0.00006483 https://gnomad.broadinstitute.org/variant/17-45363735-C-T

Case21: (M13) Female, 10 years old, French Gypsy

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Mucocutaneous bleeding

CaseNotHPOs: N/A

ProteinExpression: Failed to express alphaIIbbeta3 on the surface of their platelets

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: ITGA2B

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

LegacyVariant: N/A

ClinVar: 2895

CAiD: CA10575473

gnomAD N/A

PMID: 12434904

Gene: ITGA2B and/or ITGB3

HGNC: 6138 and 6156

InsufficientEvidence: This article mentions a proband with GT; however, the article does not discuss this patient having variants in ITGA2B and/or ITGB3 therefore there is insufficient evidence

Case#: 5 year old, female

Disease: Glazmann's Thrombasthenia

CasePresentingHPOs: HP:0000967, HP:0000978, HP:0000225, HP:0004406, HP:0006298, HP:0001892

PlateletAgreggation: Defective response to ADP, Adrenaline, Collagen, Arachidonic acid. Normal response to Ristocetin.

GenotypingMethod: Genomic DNA was extracted from peripheral blood leukocytes for mutational analysis of the αIIb and β3 genes by DNA sequencing

Allele 1:

ClinVar: 953019

CAID: CA8602528

Variant: NM_000419.5:c.2929C>T **wrong AA change reported in paper

GnomAD: South Asia at rate of 0.00003266 (1/30616)

ExpressionEvidence: Flow Cytometry of platelet integrin: .23% B3 expression, .21% A2B expression

Case#: 5, male

Disease: Glazmann's Thrombasthenia

CasePresentingHPOs: HP:0000967, HP:0000978, HP:0004406, HP:0000225, HP:0006298, HP:0001892

PlateletAgreggation: Defective response to ADP, Adrenaline, Collagen, Arachidonic acid. Normal response to Ristocetin.

GenotypingMethod: Genomic DNA was extracted from peripheral blood leukocytes for mutational analysis of the αIIb and β3 genes by DNA sequencing

Allele 1:

ClinVar: 1330351

CAID:CA400030376

Variant: NM_000212.3:c.1690G>C

GnomAD: Not Found

Allele 2

ClinVar: 1330323

CAID: CA915940255

Variant: NM_000212.3:c.1784_1802delinsGTCACA

GnomAD: Not Found

ExpressionEvidence:Flow Cytometry of platelet integrin: 1.7% B3 expression, 52.8% A2B expression

Case8: GT-8, Caucasian, gender or age not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: Mother: none and Father: c.118C>T heterozygous

CasePresentingHPOs: N/A

CaseHPOFreeText: Bleeding symptoms are moderate (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.118C>T

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA400031679

gnomAD: N/A

Case14: GT-14, Turkish, gender or age not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Bleeding symptoms are severe with pathogenic bleeding time (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.1752+2T>C

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA8602969

gnomAD: MAF in the European non-Finnish population is 0.000008834 http://gnomad.broadinstitute.org/variant/17-42457368-A-G

PMID:

Gene: ITGA2B

HGNC: 6138

InsufficientEvidence: Article mentions French gypsy mutation (c.1544+1G>A); however, no single proband to tie information to therefore we have insufficient evidence

Case3: P3, gender, age, ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: Article mentions all patients have a severe bleeding phenotype

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: αIIbβ3 expression levels were (1% in patient 3)

PlateletAggregation: N/A

CasePreviousTesting: Acknowledgements section mentions acknowledging the Genoscope team for sequencing both ITGA2B and ITGB3 genes of the GT patients in this article

Gene: ITGA2B

Variant: NM_000419.3:c.2915dup (p.Leu973AlafsX63)

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA8602531

gnomAD: MAF in the East Asian population 0.0001088 http://gnomad.broadinstitute.org/variant/17-42452054-C-CG

Case2: Patient HLo

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs:

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: N/A

PlateletAggregation: N/A

CasePreviousTesting: The amplification of DNA fragments using PCR and their electrophoretic migration through a denaturing gradient was used to scan the entire coding region, splice site junctions and promoter regions of the GPIIb and GPIIIa genes for all 20 patients in this study

Gene: ITGA2B

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

LegacyVariant: N/A

ClinVar: 2895

CAiD: CA10575473

gnomAD: N/A

Case15: Patient MMc

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: The amplification of DNA fragments using PCR and their electrophoretic migration through a denaturing gradient was used to scan the entire coding region, splice site junctions and promoter regions of the GPIIb and GPIIIa genes for all 20 patients in this study

Gene: ITGA2B

Variant: NM_000419.3:c.2842-1G>C

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA399791378

gnomAD: N/A

Case12: Female, Iraq, age not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Table 1 mentions family history available for the proband, however no specific details about family provided in paper

ParentalGenotype: N/A

CasePresentingHPOs: HP:0000421, HP:0000225, HP:0000132, HP:0031364, HP:0002249

(Epistaxis, gingival bleeding, menorrhagia, ecchymosis, melena)

CaseHPOFreeText: Retroperitoneal, haematuria

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: N/A

PlateletAggregation: N/A

CasePreviousTesting: N/A

Gene: ITGB3

Variant: NM_000212.2:c.2031_2041del (p.Asp677Glufs)

LegacyVariant: (p.Asp651Glufs*3)

ClinVar: N/A

CAiD: CA915940605

gnomAD: N/A

Case18: Female, Arab, age not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Table 1 mentions family history available for the proband, however no specific details about family provided in paper

ParentalGenotype: N/A

CasePresentingHPOs: HP:0000421, HP:0031364

(Epistaxis, ecchymosis)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: N/A

PlateletAggregation: N/A

CasePreviousTesting: N/A

Gene: ITGA2B

Variant: NM_000419.3:c.409-2_419del

LegacyVariant: N/A

ClinVar: 2889

CAiD: CA10575471

gnomAD: N/A

Case2: Female, 17 years old, Portugese

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Also studied were the patient’s mother (I.2), her father (I.1), and her brother (II.2). See pedigree below in article

ParentalGenotype: Parents were heterozygous for mutation

CasePresentingHPOs: HP:0000967

(Petechia)

CaseHPOFreeText: Mucocutaneous bleeding

CaseNotHPOs: N/A

CaseNotHPOFreeText: N/A

ProteinExpression: <5% surface expression of aIIbb3

PlateletAggregation: Platelet aggregation is absent with ADP, collagen, epinephrine and arachidonic acid among agonists tested but the response was normal with ristocetin

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: N/A

CAiD:

gnomAD: MAF in the Other population is 0.0001629 https://gnomad.broadinstitute.org/variant/17-45369648-A-AC

PMID: 21043747

Gene: N/A

HGNC: N/A

NoEvidence: This article does not mention Glanzmann thrombasthenia patients with variants in ITGA2B and/or ITGB3; therefore, there is no evidence to report. This article gives a general overview of bleeding disorders including GT, and variants that have been reported in previous papers.

PMID: 9361020

Gene: ITGA2B and/or ITGB3

HGNC: 6138 and 6156

InsufficientEvidence: This article mentions GT variants in ITGA2B/ITGB3; however, there are no GT patients harboring these variants; therefore, there is insufficient evidence

Case1: Patient LM --very minimal info on this patient

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: αIIbβ3 expression

PlateletAggregation: N/A

CasePreviousTesting: N/A

Gene: ITGA2B

Variant: NM_000419.3:c.1346G>A (p.Gly449Asp)

LegacyVariant: Gly418Asp

ClinVar: N/A

CAiD: CA399803552

gnomAD: N/A

PMID: 28341450

General: ITGA2B and/or ITGB3 (Not mentioned in article; however, implied due to patients having GT)

HGNC: 6138 and 6156

InsufficientEvidence: This article mentions probands with Glanzmann thrombasthenia; however no mention of variants in ITGA2B or ITGB3

PMID: 18078017

Gene: ITGA2B and/or ITGB3

HGNC: 6138 and 6156

NoEvidence: This article summarizes GT and its mechanism of action. No information on GT probands or variants in ITGA2B and/or ITGB3

PMID: 14612172

Gene: ITGA2B and/or ITGB3

HGNC: 6138 and 6156

InsufficientEvidence: This article is a review of GT and pregnancy. This article mentions a GT proband; however, there is no mention of variants in ITGA2B and/or ITGB3

PMID: 11507099

Gene: ITGB3

HGNC: 6156

PreviouslyPublished: PMID: 3818957, (citation 29 and 46-would not open), 2428841, 2392682, 9684783, (citation 41, 52, 53, 54 would not open), 10233432

PMID: 9054743

Gene: ITGA2B and/or ITGB3

HGNC: 6138 and 6156

NoEvidence: This article does not mention Glanzmann thrombasthenia patients/probands with variants in ITGA2B and/or ITGB3; therefore, there is no evidence to report

Case1: Female, 26 years old, Iranian-Jewish

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Pedigree shown in Fig 4 B. One of her brothers was affected by a bleeding disorder of similar severity

ParentalGenotype: Mother and father were heterozygous carriers for the mutation

CasePresentingHPOs: N/A

CaseHPOFreeText: Moderate mucocutaneous bleeding

CaseNotHPOs: N/A

CaseNotHPOFreeText: N/A

ProteinExpression: Immunoblotting showed small amounts of GPIIIa and minute amounts of pro-GPIlb confirming type 1 GT

PlateletAggregation: Absent aggregation in response to ADP, collagen, epinephrine, and had a normal response to risotcetin

CasePreviousTesting: N/A

Gene: ITGA2B

Variant: NM_000419.3:c.2473_2478delinsTCACCAGGGCCTTCACCTCAGCATCCACCAG

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA913184731

gnomAD: N/A

PMID: 16054952

Gene: ITGA2B and/or ITGB3

HGNC: 6138 and 6156

PMID: 9722314

Gene: ITGA2B

HGNC: 6138

Case#: ProbandID:14248

DiseaseAssertion: autism spectrum disorder

FamilyInfo: n/a

ParentalGenotype: this variant was asserted to be de novo.

CasePresentingHPO: n/a

PlateletAggregation: n/a

CaseHPOFreeText: n/a

CaseNotHPOs: n/a

CaseNotHPOFreeText: n/a

ProteinExpression: n/a

CasePreviousTesting: n/a

Gene: ITGA2B

Variant: M1018T

HGVS: NM_000419.3:c.3053T>C

ClinVar: Not reported

CAID: CA399788190

gnomAD: not found in v4.1.0

PMID: 15544009

Gene: ITGA2B and/or ITGB3

HGNC: 6138 and 6156

InsufficientEvidence: This article mentions the variant p.Ser752Pro however the variant is not tied to a proband with GT; therefore, we have insufficient evidence

Case1: (Patient LM) Gender, age, and ethnicity not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A (Immunoblot analysis of parents is the only thing available)

CasePresentingHPOs: N/A

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOFreeText: N/A

ProteinExpression: Immunoblot analysis was performed see Fig 1

PlateletAggregation: N/A

CasePreviousTesting: Sequence analysis of PCR amplified GPIIIb mRNA

Gene: ITGA2B

Variant: NM_000419.3:c.1346G>A (p.Gly449Asp)

LegacyVariant: (p.Gly418Asp)

ClinVar: 691627

CAiD: CA399803552

gnomAD: N/A

PMID: 11806996

Gene: ITGB3

HGNC: 6156

PMID: 30077511

Gene: ITGA2B and ITGB3

HGNC: 6138 and 6156

NoEvidence: This article does not mention probands or variants within ITGA2B and ITGB3

Case1: Patient ET, gender, age, and ethnicity is not specified

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: N/A

ParentalGenotype: N/A

CasePresentingHPOs: N/A

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOFreeText: N/A

ProteinExpression: "However, ET platelets exhibited a normal surface expression of a-granule thrombospondin" this is all of the information we are given in this article; however Reference 13 might mention more on the protein expression. However, access is not available for article 13 at this time.

PlateletAggregation: ET's platelets fail to aggregate in response to stimuli (the article does not state which agonists/stimuli and does not mention response to ristocetin)

CasePreviousTesting: Two regions of ITGB3 were selected for amplification and sequence analysis. The first region, corresponding to exonIII encodes a fragment from D96 to D179 and the second region corresponding to exon IV, encodes a fragment from M180 to D233.