目的 建立大鼠銅綠假單胞菌(PA)慢性肺部感染模型。方法 健康Sprague-Dawley大鼠分為銅綠假單胞菌感染組與對照組。將銅綠假單胞菌包被的硅膠管(3Fr,直徑1.0 mm,長3.0 mm)置入感染組大鼠的一側主支氣管處;對照組置入生理鹽水浸泡的無菌硅膠管。接種后28 d處死大鼠,分離肺組織,進行病理學檢查和肺組織勻漿菌落計數。結果 硅膠管置入后28 d,感染組肺組織培養出綠色的野生型銅綠假單胞菌,勻漿菌落計數超過103cfu/g;大體病理表現為纖維增生、肉芽腫形成,鏡下表現為淋巴細胞浸潤為主炎癥反應;對照組大鼠肺組織未培養出銅綠假單胞菌,病理上未見明顯改變。結論 銅綠假單胞菌包被的硅膠管置入大鼠一側主支氣管,可成功建立慢性肺部感染模型。該方法造價低廉、可操作性較強,易于推廣,為PA肺部感染藥物治療提供了依據。
引用本文:
楊青梅,張蘋,沈策. 銅綠假單胞菌慢性肺部感染模型的建立及評價. 中國呼吸與危重監護雜志, 2008, 08(1): 40-42. doi:
復制
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- 1. Knapp B,Hundt E,Lens U,et a1.A recombinant hybrid outer membrarne protein for vaccination against Pseudmnmms aeruginosa.Vacine,1999,17:1663-1666..
- 2. Katsunori Y,Kazunori T,Yukihiro K,et al.Role of elastase in a mouse model of chronic respiratory Pseudomonas aeruginosa infection that mimics diffuse panbronchiolitis.J Medl Microbiol,2003,52:531-535.
- 3. 柴棟,王睿,裴斐,等.銅綠假單孢菌生物被膜相關大鼠肺慢性感染免疫逃逸的研究.中國抗生素雜志2003,28:562-565.
- 4. 劉曉嵐,宋志軍,王立贊,等.銅綠假單胞菌QS系統缺陷對生物膜形成及大鼠肺部慢性感染的影響.濟寧醫學院學報,2007,30:100-103.
- 5. Yanagihara K,Tomono K,Sawal T,et al.Effect of clarithromycin on lymphocytes in chronic respiratory Pseudomonas aeruginosa infection.Am J Respir Crit Care,1997,155:337-342.
- 6. Jun-ichi K,Takayoshi T,Shigeru K.Combination therapy for chronic Pseudomonas aeruginosa respiratory infection associated with biofilm formation.J Antim Chem,2000,46:69-72.
- 7. Gilleland HE,Gilleland JR,Matthews-Greer JM.Outer Membrane Protein F Preparation of Pseudomonas aeruginosa as a Vaccine against Chronic Pulmonary Infection with Heterologous Immunotype Strains in a Rat Model.Infect Immun,1988,56:1017-1022.
- 8. 陸森全,王復融,尹秀.銅綠假單胞菌胞外粘液多糖結合疫苗的實驗研究.中國人獸共患病雜志,2001,17:19-21.
- 9. Yu H,Hanes M,Chrisp CE,et al.Microbial pathogenesis in cystic fibrosis:pulmonary clearance of mucoid Pseudomonas aeruginosa and inflammation in a mouse model of repeated repiratory challenge.Infect Immun,1998,66:280-288.
- 10. Imamura Y,Yanagihara K,Tomono K,et al.Role of Pseudomonas aeruginosa quorum-sensing systems in a mouse model of chronic respiratory infection.J Med Microbiol,2005,54:515-518.
- 11. 李倬哲,瞿介明,何禮賢,等.粒細胞減少大鼠銅綠假單胞菌肺部感染模型的建立及炎癥反應研究.中華結核與呼吸雜志,2001,24:674-678.
- 12. 王文志,劉春濤,王曾禮,等.銅綠假單胞菌感染模型中CC16mRNA表達水平的研究.中國呼吸與危重監護雜志,2002,1:80-83.
- 13. 王煒芳,方向群,劉又寧.銅綠假單胞菌大鼠肺部感染模型的建立.中華醫院感染學雜志,2007,17:499-501.
- 14. Pearson JP,Feldman M.Pseudomonas aeruginosa cell-to-cell signaling is required for virulence in a model of acute pulmonary infection.Infect Immun,2000,68:4331-4334..