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March 1, 1982BloodOpen Access

Characterization of the defect of the factor VIII/von Willebrand factor protein in von Willebrand's disease

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Key result

Purified f.VIII/vWf protein from a patient with von Willebrand's disease showed multiple biochemical and functional abnormalities compared to normal protein, including decreased vWf activity.

Population

Plasma from 1 patient with von Willebrand's disease with classic laboratory findings except for…

Comparison

Biochemical and functional characterization of… vs Purified normal f.VIII/vWf protein

Design

Other

Authors

HGHR GralnickRutgers, The State University of New JerseyMCMC CreggerSWSB Williams

Discussion

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Implication

Single-patient vWD protein defects suggest structural contributors; leaves open generalizability and mechanistic roles pending larger studies.

Study Design

Type

Case Report (n=1)

Structured PICO

P
Population
1 patient with von Willebrand's disease whose purified f.VIII/vWf protein was compared to normal protein.
E
Exposure
Biochemical and functional characterization of purified factor VIII/von Willebrand factor (f.VIII/vWf) protein
C
Comparator
Purified normal f.VIII/vWf protein
O
Outcome
Biochemical and functional properties of the f.VIII/vWf protein (antigen concentration, specific vWf activity, molecular forms, carbohydrate composition, and platelet receptor binding)surrogate

This study identifies multiple biochemical and functional abnormalities in the f.VIII/vWf protein of a patient with von Willebrand's disease, including the absence of larger multimers and specific carbohydrate deficiencies.

Cite This Study

Gralnick et al. (1982) conducted a case report in von Willebrand's disease (n=1). Purified f.VIII/vWf protein from vWd patient vs. Purified normal f.VIII/vWf protein was evaluated on Biochemical and functional abnormalities of f.VIII/vWf protein. Purified f.VIII/vWf protein from a patient with von Willebrand's disease showed multiple biochemical and functional abnormalities compared to normal protein, including decreased vWf activity.

synapsesocial.com/papers/6a9b1bc3842ff96048ec776ahttps://doi.org/10.1182/blood.v59.3.542.542
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Also Consider

Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Studies of the human factor VIII/von Willebrand factor protein. III. Qualitative defects in von Willebrand's disease.1975 · 91 citations
  2. 2Factor VIII/von Willebrand factor protein. Galactose a cryptic determinant of von Willebrand factor activity.1978 · 54 citations
  3. 3Properties of human asialo-factor VIII. A ristocetin-independent platelet-aggregating agent.1981 · 127 citations