A 56-year-old Japanese female
Case1: Female, 56 years old, Japanese
DiseaseAssertion: Glanzmann thrombasthenia (Diagnosed at 21 years of age)
FamilyInfo:
ParentalGenotype:
CasePresentingHPOs: HP:0004406, HP:0000225
(Recurrent epistaxis, gingival bleeding)
CaseHPOFreeText: N/A
CaseNotHPOs: N/A
CaseNotHPOsFreeText: N/A
ProteinExpression: Flow cytometry demonstrated significantly decreased expression of CD41 and CD61 to less than 20% of normal levels (See Figure 2)
PlateletAggregation: An in vitro assay revealed no platlet aggregation in response to agonists except ristocetin.
CasePreviousTesting: DNA sequencing analysis revealed compound heterozygous mutations confirming a diagnosis of Glanzmann thrombasthenia
Gene: ITGA2B
Variant: NM_000419.3:c.2602-3C>G and NM_000419.3:c.641T>C (p.Leu214Pro)
LegacyVariant: N/A
ClinVar: 2893 and 2901
CAiD: CA10575472 and CA115848
gnomAD: MAF in East Asian population 0.00006523 http://gnomad.broadinstitute.org/variant/17-42453087-G-C