PMID- 29622770 OWN - NLM STAT- MEDLINE DCOM- 20190211 LR - 20210227 IS - 2092-6413 (Electronic) IS - 1226-3613 (Print) IS - 1226-3613 (Linking) VI - 50 IP - 4 DP - 2018 Apr 6 TI - TNF-alpha induces human neural progenitor cell survival after oxygen-glucose deprivation by activating the NF-kappaB pathway. PG - 1-14 LID - 10.1038/s12276-018-0033-1 [doi] LID - 14 AB - Neural progenitor cell (NPC) transplantation has been shown to be beneficial in the ischemic brain. However, the low survival rate of transplanted NPCs in an ischemic microenvironment limits their therapeutic effects. Tumor necrosis factor-alpha (TNF-alpha) is one of the proinflammatory cytokines involved in the pathogenesis of various injuries. On the other hand, several studies have shown that TNF-alpha influences the proliferation, survival, and differentiation of NPCs. Our study investigated the effect of TNF-alpha pretreatment on human NPCs (hNPCs) under ischemia-related conditions in vitro. hNPCs harvested from fetal brain tissue were pretreated with TNF-alpha before being subjected to oxygen-glucose deprivation (OGD) to mimic ischemia in vitro. TNF-alpha pretreatment improved the viability and reduced the apoptosis of hNPCs after OGD. At the molecular level, TNF-alpha markedly increased the level of NF-kappaB signaling in hNPCs, and an NF-kappaB pathway inhibitor, BAY11-7082, completely reversed the protective effects of TNF-alpha on hNPCs. These results suggest that TNF-alpha improves hNPC survival by activating the NF-kappaB pathway. In addition, TNF-alpha significantly enhanced the expression of cellular inhibitor of apoptosis 2 (cIAP2). Use of a lentivirus-mediated short hairpin RNA targeting cIAP2 mRNA demonstrated that cIAP2 protected against OGD-induced cytotoxicity in hNPCs. Our study of intracellular NF-kappaB signaling revealed that inhibition of NF-kappaB activity abolished the TNF-alpha-mediated upregulation of cIAP2 in hNPCs and blocked TNF-alpha-induced cytoprotection against OGD. Therefore, this study suggests that TNF-alpha pretreatment, which protects hNPCs from OGD-induced apoptosis by activating the NF-kappaB pathway, provides a safe and simple approach to improve the viability of transplanted hNPCs in cerebral ischemia. FAU - Kim, Miri AU - Kim M AD - Brain Korea 21 Plus Project for Medical Science, Yonsei University College of Medicine, Seoul, 03722, Korea. FAU - Jung, Kwangsoo AU - Jung K AD - Yonsei Biomedical Research Institute, Yonsei University College of Medicine, Seoul, 03722, Korea. FAU - Kim, Il-Sun AU - Kim IS AD - Yonsei Biomedical Research Institute, Yonsei University College of Medicine, Seoul, 03722, Korea. FAU - Lee, Il-Shin AU - Lee IS AD - Yonsei Biomedical Research Institute, Yonsei University College of Medicine, Seoul, 03722, Korea. FAU - Ko, Younhee AU - Ko Y AD - Division of Biomedical Engineering, Hankuk University of Foreign Studies, Yongin, 17035, Korea. FAU - Shin, Jeong Eun AU - Shin JE AD - Department of Pediatrics, Severance Children's Hospital, Yonsei University College of Medicine, Seoul, 03722, Korea. FAU - Park, Kook In AU - Park KI AD - Brain Korea 21 Plus Project for Medical Science, Yonsei University College of Medicine, Seoul, 03722, Korea. kipark@yuhs.ac. AD - Yonsei Biomedical Research Institute, Yonsei University College of Medicine, Seoul, 03722, Korea. kipark@yuhs.ac. AD - Department of Pediatrics, Severance Children's Hospital, Yonsei University College of Medicine, Seoul, 03722, Korea. kipark@yuhs.ac. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20180406 PL - United States TA - Exp Mol Med JT - Experimental & molecular medicine JID - 9607880 RN - 0 (NF-kappa B) RN - 0 (Tumor Necrosis Factor-alpha) RN - EC 2.3.2.27 (Baculoviral IAP Repeat-Containing 3 Protein) RN - EC 2.7.11.24 (p38 Mitogen-Activated Protein Kinases) RN - IY9XDZ35W2 (Glucose) RN - S88TT14065 (Oxygen) SB - IM MH - Baculoviral IAP Repeat-Containing 3 Protein/genetics/metabolism MH - Cell Survival/drug effects MH - Cells, Cultured MH - Glucose/*metabolism MH - Humans MH - NF-kappa B/*metabolism MH - Neoplastic Stem Cells/drug effects/*metabolism MH - Oxygen/*metabolism MH - Signal Transduction/*drug effects MH - Tumor Necrosis Factor-alpha/*metabolism/pharmacology MH - p38 Mitogen-Activated Protein Kinases PMC - PMC5938012 COIS- The authors declare that they have no conflict of interest. EDAT- 2018/04/07 06:00 MHDA- 2019/02/12 06:00 PMCR- 2018/04/06 CRDT- 2018/04/07 06:00 PHST- 2017/05/27 00:00 [received] PHST- 2017/12/05 00:00 [accepted] PHST- 2017/11/14 00:00 [revised] PHST- 2018/04/07 06:00 [entrez] PHST- 2018/04/07 06:00 [pubmed] PHST- 2019/02/12 06:00 [medline] PHST- 2018/04/06 00:00 [pmc-release] AID - 10.1038/s12276-018-0033-1 [pii] AID - 33 [pii] AID - 10.1038/s12276-018-0033-1 [doi] PST - epublish SO - Exp Mol Med. 2018 Apr 6;50(4):1-14. doi: 10.1038/s12276-018-0033-1.