期刊
PLOS ONE
卷 8, 期 6, 页码 -出版社
PUBLIC LIBRARY SCIENCE
DOI: 10.1371/journal.pone.0065280
关键词
-
资金
- Deutsche Forschungsgemeinschaft (DFG)
- Bielefeld University Library
Signaling via NF-kappa B in neurons depends on complex formation with interactors such as dynein/dynactin motor complex and can be triggered by synaptic activation. However, so far a detailed interaction map for the neuronal NF-kappa B is missing. In this study we used mass spectrometry to identify novel interactors of NF-kappa B p65 within the brain. Hsc70 was identified as a novel neuronal interactor of NF-kappa B p65. In HEK293 cells, a direct physical interaction was shown by co-immunoprecipitation and verified via in situ proximity ligation in healthy rat neurons. Pharmacological blockade of Hsc70 by deoxyspergualin (DSG) strongly decreased nuclear translocation of NF-kappa B p65 and transcriptional activity shown by reporter gene assays in neurons after stimulation with glutamate. In addition, knock down of Hsc70 via siRNA significantly reduced neuronal NF-kappa B activity. Taken together these data provide evidence for Hsc70 as a novel neuronal interactor of NF-kappa B p65.
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