ArticlePrion2015
Identification of novel putative-binding proteins for cellular prion protein and a specific interaction with the STIP1 homology and U-Box-containing protein 1.
Article in Prion, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed, 6 citations in OpenAlex.
- Chaperone-assisted E3 ligase CHIP: A double agent in cancer.Genes & diseases · 2022Review
- The E3 Ubiquitin Ligase TRAF6 Interacts with the Cellular Prion Protein and Modulates Its Solubility and Recruitment to Cytoplasmic p62/SQSTM1-Positive Aggresome-Like Structures.Molecular neurobiology · 2022Article
- Cellular Prion Protein (PrPc): Putative Interacting Partners and Consequences of the Interaction.International journal of molecular sciences · 2020Review
- Physiological Functions of the Cellular Prion Protein.Frontiers in molecular biosciences · 2017Review
Corrections and comments
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Authors and funding
9 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Prion diseases involve the conversion of the endogenous cellular prion protein, PrP(C), into a misfolded infectious isoform, PrP(Sc). Several functions have been attributed to PrP(C), and its role has also been investigated in the olfactory system. PrP(C) is expressed in both the olfactory bulb (OB) and olfactory epithelium (OE) and the nasal cavity is an important route of transmission of diseases caused by prions. Moreover, Prnp(-/-) mice showed impaired behavior in olfactory tests. Given the high PrP(C) expression in OE and its putative role in olfaction, we screened a mouse OE cDNA library to identify novel PrP(C)-binding partners. Ten different putative PrP(C) ligands were identified, which were involved in functions such as cellular proliferation and apoptosis, cytoskeleton and vesicle transport, ubiquitination of proteins, stress response, and other physiological processes. In vitro binding assays confirmed the interaction of PrP(C) with STIP1 homology and U-Box containing protein 1 (Stub1) and are reported here for the first time. Stub1 is a co-chaperone with ubiquitin E3-ligase activity, which is associated with neurodegenerative diseases characterized by protein misfolding and aggregation. Physiological and pathological implications of PrP(C)-Stub1 interaction are under investigation. The PrP(C)-binding proteins identified here are not exclusive to the OE, suggesting that these interactions may occur in other tissues and play general biological roles. These data corroborate the proposal that PrP(C) is part of a multiprotein complex that modulates several cellular functions and provide a platform for further studies on the physiological and pathological roles of prion protein.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.