1
|
Ya BL, Li HF, Wang HY, Wu F, Xin Q, Cheng HJ, Li WJ, Lin N, Ba ZH, Zhang RJ, Liu Q, Li YN, Bai B, Ge F. 5-HMF attenuates striatum oxidative damage via Nrf2/ARE signaling pathway following transient global cerebral ischemia. Cell Stress Chaperones 2017; 22:55-65. [PMID: 27812888 PMCID: PMC5225060 DOI: 10.1007/s12192-016-0742-0] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Revised: 10/10/2016] [Accepted: 10/11/2016] [Indexed: 12/20/2022] Open
Abstract
Recent studies have shown 5-hydroxymethyl-2-furfural (5-HMF) has favorable biological effects, and its neuroprotection in a variety of neurological diseases has been noted. Our previous study showed that treatment of 5-HMF led to protection against permanent global cerebral ischemia. However, the underlying mechanisms in cerebral ischemic injury are not fully understood. This study was conducted to investigate the neuroprotective effect of 5-HMF and elucidate the nuclear factor erythroid 2-related factor 2 (Nrf2)/antioxidant response element (ARE) signaling pathway mechanism in the striatum after transient global cerebral ischemia. C57BL/6 mice were subjected to bilateral common carotid artery occlusion for 20 min and sacrificed 24 h after reperfusion. 5-HMF (12 mg/kg) or an equal volume of vehicle was intraperitoneally injected 30 min before ischemia and 5 min after the onset of reperfusion. At 24 h after reperfusion, neurological function was evaluated by neurological disability status scale, locomotor activity test and inclined beam walking test. Histological injury of the striatum was observed by cresyl violet staining and terminal deoxynucleotidyl transferase (TdT)-mediated dNTP nick end labeling (TUNEL) staining. Oxidative stress was evaluated by the carbonyl groups introduced into proteins, and malondialdehyde (MDA) levels. An enzyme-linked immunosorbent assay (ELISA)-based measurement was used to detect Nrf2 DNA binding activity. Nrf2 and its downstream ARE pathway protein expression such as heme oxygenase-1, NAD (P)H:quinone oxidoreductase 1, glutamate-cysteine ligase catalytic subunit and glutamate-cysteine ligase modulatory subunit were detected by western blot. Our results showed that 5-HMF treatment significantly ameliorated neurological deficits, reduced brain water content, attenuated striatum neuronal damage, decreased the carbonyl groups and MDA levels, and activated Nrf2/ARE signaling pathway. Taken together, these results demonstrated that 5-HMF exerted significant antioxidant and neuroprotective effects following transient cerebral ischemia, possibly through the activation of the Nrf2/ARE signaling pathway.
Collapse
Affiliation(s)
- Bai-Liu Ya
- Department of Physiology, Jining Medical University, 16 He-hua Street, Bei-hu District, Jining, Shandong, 272067, People's Republic of China
| | - Hong-Fang Li
- Department of Neurology, Affiliated Hospital of Jining Medical University, Jining, Shandong, 272129, People's Republic of China
| | - Hai-Ying Wang
- Department of Physiology, Jining Medical University, 16 He-hua Street, Bei-hu District, Jining, Shandong, 272067, People's Republic of China
| | - Fei Wu
- Department of Physiology, Jining Medical University, 16 He-hua Street, Bei-hu District, Jining, Shandong, 272067, People's Republic of China
| | - Qing Xin
- Department of Physiology, Jining Medical University, 16 He-hua Street, Bei-hu District, Jining, Shandong, 272067, People's Republic of China
| | - Hong-Ju Cheng
- Department of Physiology, Jining Medical University, 16 He-hua Street, Bei-hu District, Jining, Shandong, 272067, People's Republic of China
| | - Wen-Juan Li
- School of Forensic and Laboratory Medicine, Jining Medical University, Jining, Shandong, 272067, People's Republic of China
| | - Na Lin
- Department of Physiology, Jining Medical University, 16 He-hua Street, Bei-hu District, Jining, Shandong, 272067, People's Republic of China
| | - Zai-Hua Ba
- Department of Physiology, Jining Medical University, 16 He-hua Street, Bei-hu District, Jining, Shandong, 272067, People's Republic of China
| | - Ru-Juan Zhang
- Jining First People's Hospital, Jining, Shandong, 272011, People's Republic of China
| | - Qian Liu
- School of Clinical Medicine, Jining Medical University, Jining, Shandong, 272067, People's Republic of China
| | - Ya-Nan Li
- School of Clinical Medicine, Jining Medical University, Jining, Shandong, 272067, People's Republic of China
| | - Bo Bai
- Department of Physiology, Jining Medical University, 16 He-hua Street, Bei-hu District, Jining, Shandong, 272067, People's Republic of China
| | - Feng Ge
- Department of Physiology, Jining Medical University, 16 He-hua Street, Bei-hu District, Jining, Shandong, 272067, People's Republic of China.
| |
Collapse
|
2
|
Rauš S, Selaković V, Radenović L, Prolić Z, Janać B. Extremely low frequency magnetic field induced changes in motor behaviour of gerbils submitted to global cerebral ischemia. Behav Brain Res 2011; 228:241-6. [PMID: 22119248 DOI: 10.1016/j.bbr.2011.10.046] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2011] [Revised: 10/27/2011] [Accepted: 10/31/2011] [Indexed: 11/17/2022]
Abstract
The purpose of this study was to evaluate behavioural effects of an extremely low frequency magnetic field (ELF-MF) in 3-month-old Mongolian gerbils submitted to global cerebral ischemia. After 10-min occlusion of both common carotid arteries, the gerbils were placed in the vicinity of an electromagnet and continuously exposed to ELF-MF (50Hz, 0.5mT) for 7 days. Their behaviour (locomotion, stereotypy, rotations, and immobility) was monitored on days 1, 2, 4, 7, and 14 after reperfusion for 60min in the open field. It was shown that the 10-min global cerebral ischemia per se induced a significant motor activity increase (locomotion, stereotypy and rotations), and consequently immobility decrease until day 4 after reperfusion, compared to control gerbils. Exposure to ELF-MF inhibited development of ischemia-induced motor hyperactivity during the whole period of registration, but significantly in the first 2 days after reperfusion, when the postischemic hyperactivity was most evident. Motor activity of these gerbils was still significantly increased compared to control ones, but only on day 1 after reperfusion. Our results revealed that the applied ELF-MF (50Hz, 0.5mT) decreased motor hyperactivity induced by the 10-min global cerebral ischemia, via modulation of the processes that underlie this behavioural response.
Collapse
Affiliation(s)
- Snežana Rauš
- Institute for Biological Research, University of Belgrade, Despota Stefana Blvd. 142, Belgrade, Serbia.
| | | | | | | | | |
Collapse
|
3
|
Zhang Q, Wei EQ, Zhu CY, Zhang WP, Wang ML, Zhang SH, Yu YP, Chen Z. Focal cerebral ischemia alters the spatio-temporal properties, but not the amount of activity in mice. Behav Brain Res 2006; 169:66-74. [PMID: 16423415 DOI: 10.1016/j.bbr.2005.12.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2005] [Revised: 12/08/2005] [Accepted: 12/14/2005] [Indexed: 11/22/2022]
Abstract
Cerebral ischemia induces sensorimotor and cognitive dysfunctions in rodents; however, little is known about the changes in the spatio-temporal organization of locomotor activity after ischemia. In this study, we continuously assessed the spatio-temporal properties of locomotor activity in an enclosure (40 cm x 40 cm x 65 cm, arbitrarily divided into 16 zones) with feeding and drinking supplies, and observed the spatio-temporal changes in mice with focal cerebral ischemia. Locomotor tracks were recorded from 3rd to 24th h (total 22 h) after middle cerebral artery occlusion (MCAO) or sham operation. The absolute and relative distance traveled or time spent in different regions was analyzed. We found that there was no significant difference in total traveled distances over 22 h between the two groups. Control mice moved and stayed primarily in feeding and drinking zones, frequently in peripheral but rarely in central zones. However, ischemic mice lost such a property, almost evenly moved and stayed in 16 zones. Mice in both groups were more active (traveled more distances) shortly after they entered the enclosure, while ischemic mice returned to stable levels slower. The traveled distance had a remarkable circadian variation with more locomotion in the night in control mice, but not in ischemic mice. Most of the spatial parameters (ratios) of locomotor activity were closely correlated with the ischemic infarction, neuron densities (in cortex, hippocampal CA1 region and striatum), and typical behavioral assessments (neurological scores and inclined board test). Thus, these findings indicate that focal cerebral ischemia does not alter the amount of locomotor activity in mice, but impairs the spatio-temporal properties-prolonging the initial hyperactivity and losing regionally special distribution of the activity.
Collapse
Affiliation(s)
- Qi Zhang
- Department of Pharmacology, School of Medicine, Zhejiang University, Hangzhou 310031, PR China
| | | | | | | | | | | | | | | |
Collapse
|