ArticleNan fang yi ke da xue xue bao = Journal of Southern Medical University2026
[Liraglutide improves cardiac structure and function in mice with advanced diabetic nephropathy and massive proteinuria].
Article in Nan fang yi ke da xue xue bao = Journal of Southern Medical University, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectivesTo investigate the effects of liraglutide on cardiac structure and function in a mouse model of diabetic nephropathy at the massive proteinuria stage.
methodsTwenty 12-week-old male spontaneous type 2 diabetic KKAy mice were fed a high-fat diet for 10 weeks to establish diabetic models with massive proteinuria, which were then randomly divided into diabetic model group and liraglutide treatment group, with 10 age-matched C57BL/6J mice fed a standard chow diet serving as the normal control group. After 8 weeks of intervention, cardiac structural and functional parameters of the mice were evaluated using echocardiography, and myocardial histopathological changes were observed with HE staining, Masson's trichrome staining, Sirius red staining, and transmission electron microscopy. Serum levels of cardiac-related indicators were measured, and the mRNA and protein levels of collagen I and collagen III were determined using RT-qPCR and Western blotting, respectively.
resultsThe diabetic mouse models showed significantly elevated blood glucose and increased body weight (
conclusionsMice with diabetic nephropathy and massive proteinuria exhibit left ventricular hypertrophy and reduced cardiac function, accompanied by prominent myocardial interstitial fibrosis and inflammatory responses. Liraglutide improves cardiac structural and functional impairments in these mice possibly by alleviating myocardial fibrosis and inflammatory responses.
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