Abstract:
:Levels of high mobility group box 1 (HMGB1), an important inflammatory mediator, are high in the serum of febrile seizure (FS) patients. However, its roles in FS and secondary epilepsy after prolonged FS are poorly understood. We demonstrate HMGB1's role in the pathogenesis of hyperthermia-induced seizures (HS) and secondary epilepsy after prolonged hyperthermia-induced seizures (pHS). In the first experiment, 14-15-day-old male rats were divided into four groups: high-dose HMGB1 (100 μg), moderate-dose (10 μg), low-dose (1 μg), and control. Each rat was administered HMGB1 intranasally 1 h before inducing HS. Temperature was measured at seizure onset with electroencephalography (EEG). In the second experiment, 10-11-day-old rats were divided into four groups: pHS + HMGB1 (10 μg), pHS, HMGB1, and control. HMGB1 was administered 24 h after pHS. Video-EEGs were recorded for 24 h at 90 and 120 days old; histological analysis was performed at 150 days old. In the first experiment, the temperature at seizure onset was significantly lower in the high- and moderate-dose HMGB1 groups than in the control group. In the second experiment, the incidence of spontaneous epileptic seizure was significantly higher in the pHS + HMGB1 group than in the other groups. Comparison between pHS + HMGB1 groups with and without epilepsy revealed that epileptic rats had significantly enhanced astrocytosis in the hippocampus and corpus callosum. In developing rats, HMGB1 enhanced HS and secondary epilepsy after pHS. Our findings suggest that HMGB1 contributes to FS pathogenesis and plays an important role in the acquired epileptogenesis of secondary epilepsy associated with prolonged FS.
journal_name
Metab Brain Disjournal_title
Metabolic brain diseaseauthors
Ito M,Takahashi H,Yano H,Shimizu YI,Yano Y,Ishizaki Y,Tanaka J,Ishii E,Fukuda Mdoi
10.1007/s11011-017-0103-4subject
Has Abstractpub_date
2017-12-01 00:00:00pages
2095-2104issue
6eissn
0885-7490issn
1573-7365pii
10.1007/s11011-017-0103-4journal_volume
32pub_type
杂志文章abstract::Chronic liver disease (CLD) leads to a spectrum of neuropsychiatric disorders named hepatic encephalopathy (HE). Even though brain energy metabolism is believed to be altered in chronic HE, few studies have explored energy metabolism in CLD-induced HE, and their findings were inconsistent. The aim of this study was to...
journal_title:Metabolic brain disease
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journal_title:Metabolic brain disease
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journal_title:Metabolic brain disease
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journal_title:Metabolic brain disease
pub_type: 杂志文章,评审
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journal_title:Metabolic brain disease
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doi:10.1007/s11011-018-0342-z
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journal_title:Metabolic brain disease
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journal_title:Metabolic brain disease
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journal_title:Metabolic brain disease
pub_type: 杂志文章
doi:
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pub_type: 历史文章,杂志文章
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更新日期:2010-03-01 00:00:00
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journal_title:Metabolic brain disease
pub_type: 杂志文章
doi:10.1023/a:1020753629477
更新日期:1999-06-01 00:00:00
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journal_title:Metabolic brain disease
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journal_title:Metabolic brain disease
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journal_title:Metabolic brain disease
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doi:10.1023/a:1012541011123
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journal_title:Metabolic brain disease
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journal_title:Metabolic brain disease
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journal_title:Metabolic brain disease
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journal_title:Metabolic brain disease
pub_type: 杂志文章
doi:10.1007/s11011-014-9643-z
更新日期:2015-06-01 00:00:00
abstract:PURPOSE:To analyze brain metabolite changes in HIV-1-seropositive subjects in order to define whether the neuronal impairment is a localized or more diffuse process. MATERIALS AND METHODS:15 patients and 18 volunteers underwent multivoxel proton magnetic resonance (MR) spectroscopy at 1.5T. Nine patients were classifi...
journal_title:Metabolic brain disease
pub_type: 杂志文章
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abstract::Recent evidence has established that consumption of High-fat diet (HFD)-induced obesity is associated with deficits in hippocampus-dependent memory/learning and mood states. Nevertheless the link between obesity and emotional disorders still remains to be elucidated. This issue is of particular interest during adolesc...
journal_title:Metabolic brain disease
pub_type: 杂志文章
doi:10.1007/s11011-017-0140-z
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journal_title:Metabolic brain disease
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journal_title:Metabolic brain disease
pub_type: 杂志文章,评审
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更新日期:2002-12-01 00:00:00
abstract::Menkes disease is a very rare X-linked copper metabolism disorder that results from an ATP7A gene mutation. With the advent of subcutaneous copper-histidine therapy, the early diagnosis of Menkes disease becomes of utmost importance for patients' prognosis. In the present study, the clinical characteristics of 12 Kore...
journal_title:Metabolic brain disease
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更新日期:2015-02-01 00:00:00