PMID: 20654016Jul 27, 2010Paper

Antifibrotic effects of oxymatrine in mice with chronic viral myocarditis

Zhonghua er ke za zhi. Chinese journal of pediatrics
Chunyan GuoYao Chen

Abstract

To compare the antifibrotic effect of oxymatrine and captopril in mice with chronic viral myocarditis (CVMC) and determine the possible antifibrotic mechanism of oxymatrine in CVMC. Ninety Balb/c mice were randomly divided into normal control group 1 (n = 10), normal control group 2(n = 10) and CVMC model group (n = 70). The mice in CVMC model group were infected with coxsackievirus B(3) (CVB(3)) on days 0, 14 and 28 to establish CVMC model. The volume of CVB(3) suspension was 0.20 ml, 0.25 ml and 0.30 ml, whose 50% tissue culture infection dose was 10(9) respectively. The mice in the normal control group 1 and 2 were given normal saline of volumes equal to those of viral suspension given to the model group at the same time points. Echocardiography and collagen specific picrosirius red staining were performed to evaluate the CVMC model on day 42 for the mice of the normal control group 1 and 8 mice of CVMC model group. The remaining mice in CVMC model group were randomly divided into CVMC control group, captopril group and oxymatrine group on day 42. From then on, the mice in captopril group and oxymatrine group were treated with captopril or oxymatrine at the dose of 100 mg/kg, by gavage once a day for 28 days, and meanwhile t...Continue Reading

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