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- 高橋 宏尚
- 愛媛大学耳鼻咽喉科学教室
書誌事項
- タイトル別名
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- Facial Nerve Paralysis Induced by Reactivation of Herpes Simplex Virus Type-1. An Experimental Study in Mouse.
- -An Experimental Study in Mouse-
- ―実験的研究―
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Recent clinical studies have strongly suggested that Bell's palsy is caused by the reactivation of latent herpes simplex type 1(HSV-1) infection in the geniculate ganglion. Although HSV-1 is a causative agent of the paralysis, the precise mechanism of the facial nerve paralysis is still unknown. In order to investigate the mechanism of Bell's palsy, we developed a mouse model of facial nerve paralysis induced by the reactivation of HSV-1. Eight weeks after recovery from facial nerve paralysis caused by inoculation with HSV-1, the mice were treated with an auricular skin scratch at the site of the previous inoculation, or with an intraperitoneal injection of anti-CD3 monoclonal antibody (mAb), or a combination of both procedures. No mice developed facial nerve paralysis when they were treated with either auricular scratch or mAb injection alone. In contrast, 2 out of 10 mice developed facial nerve paralysis with the combination of both procedures. With one exception, no mouse treated with either auricular scratch or mAb injection showed HSV-1 DNA in their facial nerve tissue, whereas 4 out of 6 mice receiving both treatments showed HSV-1 DNA on day 10 after treatment. Histopathological findings showed neuron degeneration in the geniculate ganglion and demyelination of the facial motor nerve in paralyzed mice. These findings suggest that a combination of stimuli, local skin irritation and general immunosuppression, are essential for successfully inducing facial nerve paralysis in mice with latent HSV infection.
収録刊行物
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- 耳鼻咽喉科臨床
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耳鼻咽喉科臨床 94 (3), 287-294, 2001
耳鼻咽喉科臨床学会
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詳細情報 詳細情報について
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- CRID
- 1390001204261029888
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- NII論文ID
- 10008096294
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- NII書誌ID
- AN00107089
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- ISSN
- 18844545
- 00326313
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
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- 使用不可