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  5. 靜磁場對脂多醣引發的過度免疫反應之影響 -對BALB/cByJNarl老鼠之體內實驗
 
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靜磁場對脂多醣引發的過度免疫反應之影響 -對BALB/cByJNarl老鼠之體內實驗

Other Title
The effect of static magnetic field on lipopolysaccharide induced excessive immune reaction
– in vivo investigations on BALB/cByJNarl mice
Type
thesis
Date Issued
2007-07-11
Author(s)
林致平
Advisor
林哲堂
Subjects
系所名稱:牙醫學系碩博士班
Description
學位別:碩士
語文別:中文
指導教授:林哲堂
共同指導教授:黃豪銘
口試委員:蕭裕源
中文關鍵字:靜磁場;脂質多醣體;過度免疫反應;BALB/cByJNarl老鼠
Abstract
近年來由細菌引發發炎反應導致嚴重牙周病的患者逐年增加。研究已知革蘭氏陰性菌細胞壁表面的脂多醣(lipopolysaccharide, LPS)是引發宿主過度免疫反應(如細菌性敗血症或敗血性休克)的重要物質也是引發牙周病的重要物質,但依此免疫反應作用機轉的治療以及藥物研究,始終沒有定論並且也沒有突破性的發展。因此在臨床醫學上,似乎朝向非侵入性,也就是物理性的治療可作為一個新的研究趨勢。本研究計畫探討BALB/cByJNarl公鼠在靜磁場的作用下,是否可降低由LPS所引發的細胞的毒殺作用,而有較高的存活率。本實驗利用靜脈注射的方式給予BALB/cByJNarl公鼠LPS刺激,將這些經過內毒素刺激的老鼠,以LPS刺激的時間前後,分為預暴露磁場和後暴露磁場組,靜磁場強度為4000高斯。完全沒有受到磁場暴露的老鼠做為控制組。記錄各組的存活率來進一步探討靜磁場對於發炎反應的關係。本研究結果顯示,當老鼠預暴露磁場2小時後施予LPS,之後不再接受磁場暴露,存活率有上升的趨勢,其中完全沒有接受磁場暴露的老鼠,其48小時存活率為16.67±8.08%,明顯地低於預暴露2小時的存活率42.86±8.66% (p<0.05)。而不論是否有接受磁場暴露,LPS注射48小時後,所有組別的老鼠其存活率沒有明顯地變化。
根據實驗的結果,我們認為以靜磁場刺激並降低過度免疫反應(如敗血症或牙周病)的程度具有深入研究價值。
URI
https://203.71.86.71/handle/123456789/11983
https://hdl.handle.net/11296/c8h644
File(s)
No Thumbnail Available
Name

C0183530.pdf

Size

5.82 MB

Format

Adobe PDF

Checksum

(MD5):ac5efa51eba17cd7eb7f454dcc47df54

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