Changes in cellular prion protein expression, processing and localisation during differentiation of the neuronal cell line CAD 5

2019 ◽  
Vol 112 (1) ◽  
pp. 1-21 ◽  
Author(s):  
Zuzana Fremuntova ◽  
Tibor Mosko ◽  
Jakub Soukup ◽  
Johanka Kucerova ◽  
Marie Kostelanska ◽  
...  
2006 ◽  
Vol 2006 ◽  
pp. 1-13 ◽  
Author(s):  
Mattia Toni ◽  
Enzo Spisni ◽  
Cristiana Griffoni ◽  
Spartaco Santi ◽  
Massimo Riccio ◽  
...  

It has been reported that cellular prion protein (PrPc) is enriched in caveolae or caveolae-like domains with caveolin-1 (Cav-1) participating to signal transduction events by Fyn kinase recruitment. By using the Glutathione-S-transferase (GST)-fusion proteins assay, we observed that PrPc strongly interacts in vitro with Cav-1. Thus, we ascertained the PrPc caveolar localization in a hypothalamic neuronal cell line (GN11), by confocal microscopy analysis, flotation on density gradient, and coimmunoprecipitation experiments. Following the anti-PrPc antibody-mediated stimulation of live GN11 cells, we observed that PrPc clustered on plasma membrane domains rich in Cav-1 in which Fyn kinase converged to be activated. After these events, a signaling cascade through p42/44 MAP kinase (Erk 1/2) was triggered, suggesting that following translocations from rafts to caveolae or caveolae-like domains PrPc could interact with Cav-1 and induce signal transduction events.


Prions ◽  
2006 ◽  
pp. 203-203
Author(s):  
Keiichi Saeki ◽  
Takuya Nishimura ◽  
Akikazu Sakudo ◽  
Yoshitsugu Matsumoto ◽  
Takashi Onodera

2008 ◽  
Vol 26 (4) ◽  
pp. 477-493 ◽  
Author(s):  
Myriam Ermonval ◽  
Daniel Petit ◽  
Aurélien Le Duc ◽  
Odile Kellermann ◽  
Paul-François Gallet

2007 ◽  
Vol 51 (4) ◽  
pp. 457-466 ◽  
Author(s):  
Takuya Nishimura ◽  
Akikazu Sakudo ◽  
Yoriko Hashiyama ◽  
Akiko Yachi ◽  
Keiichi Saeki ◽  
...  

2007 ◽  
Vol 14 (1) ◽  
pp. 1-6
Author(s):  
Akikazu Sakudo ◽  
Izuru Nakamura ◽  
Deug-Chan Lee ◽  
Keiichi Saeki ◽  
Kazuyoshi Ikuta ◽  
...  

2003 ◽  
Vol 308 (3) ◽  
pp. 660-667 ◽  
Author(s):  
Akikazu Sakudo ◽  
Deug-chan Lee ◽  
Keiichi Saeki ◽  
Yuko Nakamura ◽  
Keiichi Inoue ◽  
...  

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