- Nuclear pore complex remodeling by p75(NTR) cleavage controls TGF-β signaling and astrocyte functions.
Nuclear pore complex remodeling by p75(NTR) cleavage controls TGF-β signaling and astrocyte functions.
Nature neuroscience (2015-06-30)
Christian Schachtrup, Jae Kyu Ryu, Könül Mammadzada, Abdullah S Khan, Peter M Carlton, Alex Perez, Frank Christian, Natacha Le Moan, Eirini Vagena, Bernat Baeza-Raja, Victoria Rafalski, Justin P Chan, Roland Nitschke, Miles D Houslay, Mark H Ellisman, Tony Wyss-Coray, Jorge J Palop, Katerina Akassoglou
PMID26120963
ABSTRACT
Astrocytes modulate neuronal activity and inhibit regeneration. We show that cleaved p75 neurotrophin receptor (p75(NTR)) is a component of the nuclear pore complex (NPC) required for glial scar formation and reduced gamma oscillations in mice via regulation of transforming growth factor (TGF)-β signaling. Cleaved p75(NTR) interacts with nucleoporins to promote Smad2 nucleocytoplasmic shuttling. Thus, NPC remodeling by regulated intramembrane cleavage of p75(NTR) controls astrocyte-neuronal communication in response to profibrotic factors.
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Anticorpo anti-α-tubulina, monoclonale murino, clone DM1A, purified from hybridoma cell culture