Current opinion in hematology · 2019
The role of genetics in the pathogenesis and diagnosis of type 1 Von Willebrand disease.
СтатьяПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАОбзорНазвание и аннотация: Перевод пока не подготовлен
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Flood Veronica H, Garcia Jessica, Haberichter Sandra L
Аннотация
PURPOSE OF REVIEW: Von Willebrand disease (VWD) is a common bleeding disorder, but diagnosis of VWD is challenging, particularly with type 1 VWD. Although most clinicians use specific tests of von Willebrand factor (VWF) activity to classify patients with VWD, genetic testing for VWF defects is another potential method of diagnosis.
RECENT FINDINGS: Studies of patients with type 1 VWD report consistently that many, but not all, study participants have VWF gene defects. Certain populations, including those with VWF levels less than 30 IU/dl and those with clearance defects, are more likely to have a VWF sequence variant. In addition, a number of loci outside the VWF gene have been shown to affect VWF levels, including ABO, CLEC4M, STXBP5, and STAB2.
SUMMARY: Genetic defects in VWF are common, but not all defects lead to disease. Type 1 VWD in particular does not always have an associated VWF sequence variant. New data stemming from genome-wide association studies on modifier genes suggest that the etiology of type 1 VWD is multifactorial.
RECENT FINDINGS: Studies of patients with type 1 VWD report consistently that many, but not all, study participants have VWF gene defects. Certain populations, including those with VWF levels less than 30 IU/dl and those with clearance defects, are more likely to have a VWF sequence variant. In addition, a number of loci outside the VWF gene have been shown to affect VWF levels, including ABO, CLEC4M, STXBP5, and STAB2.
SUMMARY: Genetic defects in VWF are common, but not all defects lead to disease. Type 1 VWD in particular does not always have an associated VWF sequence variant. New data stemming from genome-wide association studies on modifier genes suggest that the etiology of type 1 VWD is multifactorial.