[The antibacterial effect of cecropin B on pseudomonas aeruginosa infection of wounds in mice]

[The antibacterial effect of cecropin B on pseudomonas aeruginosa infection of wounds in mice] Research Abstract Details 

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[The antibacterial effect of cecropin B on pseudomonas aeruginosa infection of wounds in mice] Abstract Text:

Hai-tao Ren,Chun-mao Han,Rong Zhang,Zhi-jiang Xu,Zhi-qi Meng,Hong-biao Weng,Bao-long Niu,

OBJECTIVE: To investigate the antibacterial effect of a particular antimicrobial peptide Cecropin B(CB) on Pseudomonas aeruginosa infection of wound in mice. METHODS: Thirty ICR mice were enrolled in the study, and the Pseudomonas aeruginosa infection model was reproduced by excision of the full layer of dorsal skin with an area of 1 cm x 1 cm. Then they were randomly divided into C ( control, n = 10, with wet compress of isotonic saline at 3 postinjury hour( PIH) ) , M (with hydropathic compress of 100 g/L mafenide at 3 PIH), A (with wet compress of 1 000 mg/L Cecropin B at 3 PIH) groups. The changes in body temperature and hemogram in each group were determined before and 4 days after injury. Quantitative examination were used to detect the quantity of bacteria in muscular tissue of the wounds, and the survival of the mice were observed on 4 post-injury day( PID). RESULTS: The wounds were moist with more exudation in C group,while that in other groups were dry without obvious exudation. The body temperature of the majority of the mice in each group were elevated, but the number of leucocytes in each group was lowered after operation. The quantity of bacteria in muscle in A group[ (42 +/- 50) CFU/g] was obviously lower than that in M group [(886+/-804) CFU/g, P <0.05] , and it was all obviously lower than that in C group[ (41 +/-28) x 10(5) CFU/g, P <0.01]. The number of surviving mice after 4 PID in C group was evidently smaller than that in A and M groups( P <0. 05). CONCLUSION: The cecropin B possesses obvious anti-bacterial effect on the Pseudomonas Aeruginasa infected wounds of ICR mice, and it can reduce the mortality.

[The antibacterial effect of cecropin B on pseudomonas aeruginosa infection of wounds in mice] Publishing Authors By Initials

HT Ren,CM Han,R Zhang,ZJ Xu,ZQ Meng,HB Weng,BL Niu,

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[The antibacterial effect of cecropin B on pseudomonas aeruginosa infection of wounds in mice] Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Zhonghua shao shang za zhi = Zhonghua shaoshang za

VOLUME: 22

Page Numbers: 445-7

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ISSN: 1009-2587

DAY: 18

MONTH: Dec

YEAR: 2006

[The antibacterial effect of cecropin B on pseudomonas aeruginosa infection of wounds in mice] Information

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LANGUAGE: chi

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AFFILIATION: Department of Burns , 2nd Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, PR China.

Country: China

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MEDLINETA: Zhonghua Shao Shang Za Zhi

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