Case: IP #24 in type 2N VWD sub-cohort (also in row 5 splice variants table 6)

DiseaseAssertion: type 2N/1 VWD

FamilyInfo:

ParentalGenotype(s):

CasePresentingHPOs: HP:0032441 - blood group AB

CaseHPOFreeRext: VWF:Ag [IU/dL] = 42; VWF:Ac [IU/dL] = 34; FVIII:C [IU/dL] = 16

CaseNOTHPOs:

CaseNOTHPOFreeText:

CasePreviousTesting:

GenotypingMethod: Sequence variations in the VWF were identified through direct sequencing, while the detection of large rearrangements utilized the multiplex ligation-dependent probe amplification (MLPA) technique or assessed copy number variations (CNVs). Sanger sequencing methodology was applied for VWF analysis in patients investigated prior to 2016 (approximately 14% of IPs), whereas next-generation sequencing (NGS) was employed for the analysis of VWF in patients inspected from 2017 onwards (about 86% of IPs). In both strategies, the entire VWF, encompassing all 52 exons, intron/exon boundaries, and promoter regions, was analyzed.

PreviouslyPublished:

Gene: VWF

Variant: c.2561G>A p.Arg854Gln

HGVS:

ClinVarID: 296

CAID:

gnomAD: 0.004956 (8000 in 1614214) 26 homozygotes https://gnomad.broadinstitute.org/variant/12-6034812-C-T?dataset=gnomad_r4

MultipleGeneVariants:

Gene: VWF

Variant: c.6798+2T>A

ClinVarID: 1803122

gnomAD: absent