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Gene Profiling Reveals Hydrogen Sulphide Recruits Death Signaling via the N-Methyl-D Aspartate Receptor Identifying Commonalities With Excitotoxicity


Chen, MJ and Peng, ZF and Manikandan, J and Melendez, AJ and Tan, GS and Chung, CM and Li, QT and Tan, TM and Deng, LW and Whiteman, M and Beart, PM and Moore, PK and Cheung, NS, Gene Profiling Reveals Hydrogen Sulphide Recruits Death Signaling via the N-Methyl-D Aspartate Receptor Identifying Commonalities With Excitotoxicity, Journal of Cellular Physiology, 226, (5) pp. 1308-1322. ISSN 0021-9541 (2011) [Refereed Article]

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DOI: doi:10.1002/jcp.22459


Recently the role of hydrogen sulphide (H2S) as a gasotransmitter stimulated wide interest owing to its involvement in Alzheimer’s disease and ischemic stroke. Previously we demonstrated the importance of functional ionotropic glutamate receptors (GluRs) by neurons is critical for H2S-mediated dose- and time-dependent injury. Moreover N-methyl-D-aspartate receptor (NMDAR) antagonists abolished the consequences of H2S-induced neuronal death. This study focuses on deciphering the downstream effects activation of NMDAR on H2S-mediated neuronal injury by analyzing the time-course of global gene profiling (5, 15, and 24 h) to provide a comprehensive description of the recruitment of NMDAR-mediated signaling. Microarray analyses were performed on RNA from cultured mouse primary cortical neurons treated with 200mM sodium hydrosulphide (NaHS) or NMDA over a time-course of 5–24 h. Data were validated via real-time PCR, western blotting, and global proteomic analysis. A substantial overlap of 1649 genes, accounting for over 80% of NMDA global gene profile present in that of H2S and over 50% vice versa, was observed. Within these commonly occurring genes, the percentage of transcriptional consistency at each time-point ranged from 81 to 97%. Gene families involved included those related to cell death, endoplasmic reticulum stress, calcium homeostasis, cell cycle, heat shock proteins, and chaperones. Examination of genes exclusive to H2S-mediated injury (43%) revealed extensive dysfunction of the ubiquitin-proteasome system. These data form a foundation for the development of screening platforms and define targets for intervention in H2S neuropathologies where NMDAR-activated signaling cascades played a substantial role.

Item Details

Item Type:Refereed Article
Research Division:Biomedical and Clinical Sciences
Research Group:Neurosciences
Research Field:Cellular nervous system
Objective Division:Health
Objective Group:Clinical health
Objective Field:Clinical health not elsewhere classified
UTAS Author:Chen, MJ (Ms Minghui Chen)
UTAS Author:Cheung, NS (Dr Nam Cheung)
ID Code:69780
Year Published:2011
Web of Science® Times Cited:26
Deposited By:Menzies Institute for Medical Research
Deposited On:2011-05-18
Last Modified:2012-03-19

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