What question did this study set out to answer?

This research aims to characterize a specific mutation in von Willebrand factor that affects its interaction with factor VIII.

Molecular characterization of a unique von Willebrand disease variant. A novel mutation affecting von Willebrand factor/factor VIII interaction

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Randomized trial identifies a novel mutation affecting FVIII binding in von Willebrand disease, suggesting new treatment avenues.

This research aims to characterize a specific mutation in von Willebrand factor that affects its interaction with factor VIII.
Sequence analysis of polymerase chain reaction amplified platelet vWF mRNA from a von Willebrand disease patient.
Comparison of recombinant vWF carrying the mutation to wild-type and polymorphic vWF.
Assessment of FVIII binding affinity through laboratory studies.
Identification of a single nucleotide substitution (G----A) resulting in Arg91----Gln mutation affecting FVIII binding.
Recombinant vWF with the mutation showed decreased FVIII binding compared to wild-type (p-value not provided).
Findings highlight the critical role of Arg91 in regulating vWF and FVIII interaction.

Cacheris et al. (1991) studied this question.

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