Abstract:
:Although minocycline has been generally thought to have neuroprotective properties, the neuroprotective role of minocycline has not been investigated in the animal model of epilepsy. In this study, we investigated whether minocycline is neuroprotective against kainic acid (KA)-induced cell death through the caspase-dependent or -independent mitochondrial apoptotic pathways. Adult male ICR mice were subjected to seizures by intrahippocampal KA injection with vehicle or with minocycline. For cell death analysis, TdT-mediated dUTP-biotin nick end labeling and cresyl-violet staining were performed. Western blot analysis and immunofluorescent staining for cytochrome c and apoptosis-inducing factor (AIF) were performed. Cell death was reduced in minocycline-treated mice. Cytosolic translocation of cytochrome c and subsequent activation of caspase-3 were diminished by minocycline treatment. AIF nuclear translocation and subsequent large-scale DNA fragmentation were also reduced in minocycline-treated mice. Thus, this study suggests that minocycline inhibits both caspase-dependent and -independent apoptotic pathways and may be neuroprotective against hippocampal damage after KA treatment.
journal_name
Neurosci Lettjournal_title
Neuroscience lettersauthors
Heo K,Cho YJ,Cho KJ,Kim HW,Kim HJ,Shin HY,Lee BI,Kim GWdoi
10.1016/j.neulet.2006.01.027keywords:
subject
Has Abstractpub_date
2006-05-08 00:00:00pages
195-200issue
3eissn
0304-3940issn
1872-7972pii
S0304-3940(06)00046-2journal_volume
398pub_type
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