ArticleJournal of molecular neuroscience : MN2013
The alterations of matrix metalloproteinase-9 in mouse brainstem during herpes simplex virus type 1-induced facial palsy.
Article in Journal of molecular neuroscience : MN, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 6 citations in OpenAlex.
- Cathelicidin-derived antiviral peptide inhibits herpes simplex virus 1 infection.Frontiers in microbiology · 2023Article
- Establishment of a novel therapeutic vector targeting the trigeminal ganglion in rats.Drug design, development and therapy · 2016Article
- Involvement of MAPK ERK activation in upregulation of water channel protein aquaporin 1 in a mouse model of Bell's palsy.Journal of molecular neuroscience : MN · 2015Article
- Replication-defective HSV-1 effectively targets trigeminal ganglion and inhibits viral pathopoiesis by mediating interferon gamma expression in SH-SY5Y cells.Journal of molecular neuroscience : MN · 2014Article
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The aim of this study is to explore the changes of matrix metalloproteinase-9 (MMP9) in the mouse brainstem during the development of facial paralysis induced by herpes simplex virus type 1 (HSV-1) and the inhibitory effect of methylprednisolone sodium succinate (MPSS) on MMP9 expression. HSV-1 was inoculated into the surface of posterior auricle of mouse to establish a paralyzed animal model. The paralyzed mice were divided randomly into three groups. In one group without any treatment, mice were killed at different time points of 6 h, 1, 2, 3, and 7 days post-induction of facial paralysis; in the other two groups, mice were injected daily with MPSS and a combination of MPSS and glucocorticoid receptor blocker (RU486) for 2 days, respectively. The expression of MMP9 in the facial nucleus of brainstem was detected by Western blot, quantitative real-time polymerase chain reaction, and immunofluorescence technique. A total of 52.07 % of mice developed unilateral facial paralysis after inoculated with HSV-1. Both mRNA and protein expression of MMP9 were present at low levels in normal facial nucleus of brainstem and were increased significantly after facial paralysis with its peak time at 2 days post-induction of facial paralysis. Expression of MMP9 of paralyzed mice was inhibited by MPSS, and the inhibition could be blocked by RU486. Our findings suggest that MMP9 in mouse brainstem is involved in the evolution of facial palsy induced by HSV-1 and may play an important role in the pathogenesis of this disease. MPSS might effectively relieve HSV-1-mediated damages by inhibitory effect on expression of MMP9 in HSV-1-induced facial paralysis.
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