Abstract:
:Oxygen glucose deprivation (OGD)/re-oxygenation (OGDR) induces severe injury to neuronal cells. The expression and potential function of NKILA (NF-κB Interacting LncRNA) in OGDR-treated neuronal cells were tested in this study. We show that OGDR induced NKILA upregulation to in-activate NF-κB signaling in SH-SY5Y cells and primary murine hippocampal neurons. Conversely, shRNA-mediated NKILA silencing almost reversed OGDR-induced NF-κB inhibition. OGDR-induced neuronal cell viability reduction, apoptosis and necrosis were largely attenuated by NKILA shRNA as well. Conversely, ectopic overexpression of NKILA by a lentiviral vector enhanced OGDR-induced SH-SY5Y cell death. For the mechanism study, we show that OGDR downregulated miR-103 and miR-107 to induce NKILA upregulation in neuronal cells. Transfection of miR-103 mimic or miR-107 mimic almost reversed OGDR-induced NKILA upregulation, NF-κB in-activation and SH-SY5Y cell death. Taken together, OGDR induces NKILA upregulation to in-activate NF-κB signaling, which mediates subsequent neuronal cell death. NKILA could be a novel therapeutic target of ischemic neuronal injury.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Wang M,Jiang YM,Xia LY,Wang Y,Li WY,Jin Tdoi
10.1016/j.bbrc.2018.07.010subject
Has Abstractpub_date
2018-09-18 00:00:00pages
2524-2530issue
4eissn
0006-291Xissn
1090-2104pii
S0006-291X(18)31505-5journal_volume
503pub_type
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