Change in Toll-like receptor 4 expression on interstitial macrophages in acute lung injury
OBJECTIVE: To observe changes in the level of Toll-like receptor 4 (TLR4) mRNA and the expression of TLR4 protein in interstitial macrophages in serious thoracic injury
| Publié dans: | Zhongguo wei zhong bing ji jiu yi xue = Chinese critical care medicine = Zhongguo weizhongbing jijiuyixue. - 1998. - 16(2004), 10 vom: 04. Okt., Seite 622-5 |
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| Auteur principal: | |
| Autres auteurs: | , , , , |
| Format: | Article |
| Langue: | Chinese |
| Publié: |
2004
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| Accès à la collection: | Zhongguo wei zhong bing ji jiu yi xue = Chinese critical care medicine = Zhongguo weizhongbing jijiuyixue |
| Sujets: | English Abstract Journal Article Research Support, Non-U.S. Gov't RNA, Messenger Tlr4 protein, rat Toll-Like Receptor 4 |
| Résumé: | OBJECTIVE: To observe changes in the level of Toll-like receptor 4 (TLR4) mRNA and the expression of TLR4 protein in interstitial macrophages in serious thoracic injury METHODS: A rat model of severe thoracic trauma was reproduced,then interstitial macrophages were isolated and collected by enzymatic digestion before and after trauma cultured. TLR4 mRNA and the expression of TLR4 protein were measured by Northern and Western blotting before trauma and 2, 4, 8, 16, 24 hours after trauma RESULTS: A stable and reliable severe thoracic trauma model was successfully reproduced with 400 kPa impact on the up-right chest of rat by a multiple-function collision apparatus. The expression was up-regulated by trauma and the highest expression of interstitial macrophages occurred 8, 16 hours after the trauma, and returned to normal range at 24 hours CONCLUSION: The up-regulation of TLR4 might participate in the pathological process of excessive inflammation after trauma to the lung |
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| Description: | Date Completed 08.09.2009 Date Revised 05.10.2004 published: Print Citation Status MEDLINE |
| ISSN: | 1003-0603 |