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Updated: Jun 3, 2026
11:29
Isolation of Soluble and Insoluble PrP Oligomers in the Normal Human Brain
Published on: October 3, 2012
Prion protein as copper-binding protein at the synapse.
H A Kretzschmar1, T Tings, A Madlung
1Institute for Neuropathology, Gottingen, Germany.
Methods in Molecular Medicine
|March 5, 2011
Summary
Researchers investigated the function of prion proteins (PrPC), exploring potential binding partners. Biochemical analyses suggest PrPC may regulate cholinergic receptors at the neuromuscular junction.
Area of Science:
- Neuroscience
- Biochemistry
- Cell Biology
Background:
- Prion proteins (PrPC) are cell surface proteins with incompletely understood functions.
- Various potential binding partners for PrPC have been identified using biochemical methods.
- The biological significance of these PrPC interactions remains largely unproven.
Purpose of the Study:
- To explore the function of prion proteins (PrPC).
- To identify and characterize binding partners of PrPC.
- To investigate the potential role of PrPC in regulating cholinergic receptors.
Main Methods:
- Application of biochemical methods to identify PrPC binding partners.
- Analysis of cell surface PrPC interactions.
- Biochemical analyses of chicken PrPC.
Main Results:
- Several potential binding partners for PrPC were identified, including glial fibrillary acidic protein, Bcl-2, molecular chaperones, amyloid precursor-like protein 1, and the 37-kDa laminin receptor.
- The biological significance of these identified binding partners for PrPC function has not been demonstrated.
- Biochemical analyses of chicken PrPC led to a hypothesis regarding its role in receptor regulation.
Conclusions:
- Despite identifying several potential binding partners, the biological significance of PrPC interactions is not yet established.
- PrPC may play a regulatory role in the expression of cholinergic receptors at the neuromuscular endplate, as suggested by studies on chicken PrPC.
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