Abstract:
:Naked2 (NKD2), one member of Naked family, has been shown to negatively regulate Wnt/β-catenin signaling pathway. It has been recognized that NKD2 plays a vital role in cell homeostasis and prevention of tumorigenesis. However, NKD2 expression and its functional role in the brain in neuroinflammatory processes remain unclear. In our study, we investigated NKD2 distribution and role in lipopolysaccharide (LPS)-induced neuroinflammation rat model. The data indicated that NKD2 was up-regulated in LPS-injected brain, and the cellular localization of NKD2 was predominantly in cerebral cortical neurons. Furthermore, we treated primary neurons with conditioned media (CM) collected from LPS-stimulated mixed glial cultures (MGC). We detected that the up-regulation of NKD2 might be associated with the subsequent apoptosis in neurons. We also found knockdown NKD2 partially depressed the increase of cleaved caspase-3 and increased the reduction of β-catenin stimulated by MGC-CM. Taken together, these results suggested that NKD2 might be involved in neuronal apoptosis via the Wnt/β-catenin pathway during neuroinflammation in CNS. Our findings might provide a new therapeutic target for the prevention of neuroinflammation-involved neurological disorders.
journal_name
Cell Mol Neurobioljournal_title
Cellular and molecular neurobiologyauthors
Cui Z,Zhou L,Song Y,Liu C,Zhu G,Wu X,Yan Y,Xia X,Duan C,Zhou Y,Huang Y,Zhang Ddoi
10.1007/s10571-015-0219-1subject
Has Abstractpub_date
2016-01-01 00:00:00pages
47-55issue
1eissn
0272-4340issn
1573-6830pii
10.1007/s10571-015-0219-1journal_volume
36pub_type
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