Related Experiment Video
Updated: May 27, 2026
08:40
Light-driven Molecular Motors on Surfaces for Single Molecular Imaging
Published on: March 13, 2019
Another role for the VW molecule.
1The Mary Weinfeld Professor of Clinical Research in Hemophilia, Mount Sinai School of Medicine, New York, NY 10029-6574, USA. louis.aledort@mountsinai.org
Haemophilia : the Official Journal of the World Federation of Hemophilia
|November 23, 2011
Summary
The von Willebrand (vW) molecule plays a key role in reducing the immune response to factor VIII. This finding is crucial for understanding and potentially improving hemophilia treatments.
Area of Science:
- Immunology
- Hematology
Background:
- Factor VIII is essential for blood clotting.
- The immune system can develop antibodies against factor VIII, leading to treatment challenges in hemophilia.
Purpose of the Study:
- To comment on the role of the von Willebrand (vW) molecule in modulating factor VIII immunogenicity.
Main Methods:
- Literature review and expert commentary.
- Analysis of existing data on factor VIII immune responses.
Main Results:
- The von Willebrand (vW) molecule appears to down-regulate the immunogenicity of factor VIII.
- This interaction may involve mechanisms that reduce T-cell epitope presentation or B-cell activation.
Conclusions:
- The vW molecule's inhibitory effect on factor VIII immunogenicity offers potential therapeutic insights.
- Further research is warranted to elucidate the precise mechanisms involved.
Related Concept Videos
01:29Role of Reduced Coenzymes NADH and FADH₂
The energy released from the breakdown of the chemical bonds within nutrients can be stored either through the reduction of electron carriers or in the bonds of adenosine triphosphate (ATP). In living systems, a small class of compounds functions as mobile electron carriers, molecules that bind to and shuttle high-energy electrons between compounds in pathways. The principal electron carriers that will be considered originate from the B vitamin group and are derivatives of nucleotides; they are...
01:32Microtubule Associated Motor Proteins
Eukaryotic cells have different motor proteins for transporting various cargo within the cell. These motor proteins differ based on the filament they associate with, the direction they move within the cell, and the type of cargo they transport. Motor proteins that associate with microtubules are known as microtubule-associated motor proteins. There are two families of microtubule-associated motor proteins —Kinesins and Dyneins. Both these proteins assist in the transport of cellular cargos...
01:28Carbon-dioxide Fixation
Carbon dioxide fixation in prokaryotes enables the assimilation of inorganic carbon into organic molecules, supporting biosynthetic pathways, sustaining ecosystems, and contributing to the global carbon cycle. It also has industrial applications in carbon capture and bioproduct synthesis. Autotrophic organisms rely on this process to utilize CO₂ as a carbon source in diverse environments.The Calvin CycleThe Calvin cycle is the most widespread carbon fixation mechanism, primarily used by...
01:32Chemiosmosis
Oxidative phosphorylation is a highly efficient process that generates large amounts of adenosine triphosphate (ATP), the basic unit of energy that drives many cellular processes. Oxidative phosphorylation involves two processes— the electron transport chain and chemiosmosis.
Electron Transport Chain
The electron transport chain involves a series of protein complexes on the inner mitochondrial membrane that undergo a series of redox reactions. At the end of this chain, the electrons reduce...
Electron Transport Chain
The electron transport chain involves a series of protein complexes on the inner mitochondrial membrane that undergo a series of redox reactions. At the end of this chain, the electrons reduce...
01:24Van der Waals Interactions
Atoms and molecules interact with each other through intermolecular forces. These electrostatic forces arise from attractive or repulsive interactions between particles with permanent, partial, or temporary charges. The intermolecular forces between neutral atoms and molecules are ion–dipole, dipole–dipole, and dispersion forces, collectively known as van der Waals forces.
02:37VSEPR Theory
Valence shell electron-pair repulsion theory (VSEPR theory) enables us to predict the molecular structure around a central atom from an examination of the number of bonds and lone electron pairs in its Lewis structure. The VSEPR model assumes that electron pairs in the valence shell of a central atom will adopt an arrangement that minimizes repulsions between these electron pairs by maximizing the distance between them. The electrons in the valence shell of a central atom form either bonding...