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Updated: Jun 21, 2026

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Helical Organization of Blood Coagulation Factor VIII on Lipid Nanotubes
Published on: June 3, 2014
Relating structure to function: the role of the C2 domain in Factor VIII
1Fred Hutchinson Cancer Research Center, Program in Structural Biology, Division of Basic Sciences, Seattle, WA 98109, USA. kpratt@fhcrc.org
Summary
Factor VIII is crucial for blood clotting and preventing hemophilia A. Recent research, using advanced molecular biology and structural analysis, has clarified the function of its C2 domain, offering new insights into bleeding disorders.
Area of Science:
- Biochemistry
- Molecular Biology
- Hematology
Background:
- Factor VIII is a key plasma glycoprotein essential for blood coagulation.
- Deficiency in Factor VIII causes hemophilia A, the most prevalent hereditary bleeding disorder.
- Molecular biology advances have enabled detailed characterization of Factor VIII and its gene.
Purpose of the Study:
- To review recent advancements in understanding the Factor VIII carboxy terminal C2 domain.
- To interpret biophysical and clinical data using the high-resolution crystal structure of the recombinant C2 domain.
- To suggest future research directions for Factor VIII C2 domain studies.
Main Methods:
- Polymerase Chain Reaction (PCR) combined with clinical studies to identify molecular defects in hemophilia A.
- Basic research using plasma-derived Factor VIII and recombinant constructs.
- Analysis of biophysical measurements and clinical data in conjunction with high-resolution crystal structure.
Main Results:
- Significant progress in identifying molecular defects associated with hemophilia A.
- Improved understanding of the functional roles of specific regions within the Factor VIII glycoprotein.
- Recent high-resolution crystal structure of the recombinant C2 domain provides a basis for detailed interpretation.
Conclusions:
- Recent structural and functional studies have significantly advanced the understanding of the Factor VIII C2 domain.
- Integration of biophysical, clinical, and structural data offers new perspectives on Factor VIII function.
- Future research directions are proposed to further elucidate the C2 domain's role in coagulation and hemophilia A.
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