PMID- 22898621 OWN - NLM STAT- MEDLINE DCOM- 20130617 LR - 20211021 IS - 1742-2094 (Electronic) IS - 1742-2094 (Linking) VI - 9 DP - 2012 Aug 17 TI - Hydrogen sulfide attenuates spatial memory impairment and hippocampal neuroinflammation in beta-amyloid rat model of Alzheimer's disease. PG - 202 AB - BACKGROUND: Endogenously produced hydrogen sulfide (H(2)S) may have multiple functions in brain. An increasing number of studies have demonstrated its anti-inflammatory effects. In the present study, we investigated the effect of sodium hydrosulfide (NaHS, a H(2)S donor) on cognitive impairment and neuroinflammatory changes induced by injections of Amyloid-beta(1-40) (Abeta(1-40)), and explored possible mechanisms of action. METHODS: We injected Abeta(1-40) into the hippocampus of rats to mimic rat model of Alzheimer's disease (AD). Morris water maze was used to detect the cognitive function. Terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling (TUNEL) assay was performed to detect neuronal apoptosis. Immunohistochemistry analyzed the response of glia. The expression of interleukin (IL)-1beta and tumor necrosis factor (TNF)-alpha was measured by enzyme-linked immunosorbent assay (ELISA) and quantitative real-time polymerase chain reaction (qRT-PCR). The expression of Abeta(1-40), phospho-p38 mitogen-activated protein kinase (MAPK), phospho-p65 Nuclear factor (NF)-kappaB, and phospho-c-Jun N-terminal Kinase (JNK) was analyzed by western blot. RESULTS: We demonstrated that pretreatment with NaHS ameliorated learning and memory deficits in an Abeta(1-40) rat model of AD. NaHS treatment suppressed Abeta(1-40)-induced apoptosis in the CA1 subfield of the hippocampus. Moreover, the over-expression in IL-1beta and TNF-alpha as well as the extensive astrogliosis and microgliosis in the hippocampus induced by Abeta(1-40) were significantly reduced following administration of NaHS. Concomitantly, treatment with NaHS alleviated the levels of p38 MAPK and p65 NF-kappaB phosphorylation but not JNK phosphorylation that occurred in the Abeta(1-40)-injected hippocampus. CONCLUSIONS: These results indicate that NaHS could significantly ameliorate Abeta(1-40)-induced spatial learning and memory impairment, apoptosis, and neuroinflammation at least in part via the inhibition of p38 MAPK and p65 NF-kappaB activity, suggesting that administration of NaHS could provide a therapeutic approach for AD. FAU - Xuan, Aiguo AU - Xuan A AD - Department of Anatomy, Guangzhou Medical University, Guangzhou, China. xag2005@sohu.com FAU - Long, Dahong AU - Long D FAU - Li, Jianhua AU - Li J FAU - Ji, Weidong AU - Ji W FAU - Zhang, Meng AU - Zhang M FAU - Hong, Lepeng AU - Hong L FAU - Liu, Jihong AU - Liu J LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20120817 PL - England TA - J Neuroinflammation JT - Journal of neuroinflammation JID - 101222974 RN - 0 (Amyloid beta-Peptides) RN - 0 (Peptide Fragments) RN - 0 (amyloid beta-protein (1-40)) RN - YY9FVM7NSN (Hydrogen Sulfide) SB - IM MH - Alzheimer Disease/chemically induced/pathology/*prevention & control MH - Amyloid beta-Peptides/*toxicity MH - Animals MH - *Disease Models, Animal MH - Hippocampus/*drug effects/pathology MH - Hydrogen Sulfide/pharmacology/*therapeutic use MH - Inflammation/chemically induced/pathology/prevention & control MH - Male MH - Memory Disorders/chemically induced/pathology/*prevention & control MH - Peptide Fragments/*toxicity MH - Random Allocation MH - Rats MH - Rats, Wistar MH - Spatial Behavior/drug effects PMC - PMC3458984 EDAT- 2012/08/18 06:00 MHDA- 2013/06/19 06:00 PMCR- 2012/08/17 CRDT- 2012/08/18 06:00 PHST- 2012/05/08 00:00 [received] PHST- 2012/08/04 00:00 [accepted] PHST- 2012/08/18 06:00 [entrez] PHST- 2012/08/18 06:00 [pubmed] PHST- 2013/06/19 06:00 [medline] PHST- 2012/08/17 00:00 [pmc-release] AID - 1742-2094-9-202 [pii] AID - 10.1186/1742-2094-9-202 [doi] PST - epublish SO - J Neuroinflammation. 2012 Aug 17;9:202. doi: 10.1186/1742-2094-9-202.