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Effects of Monocrotaline on Right Ventricular Function and Expression of Cardiac Canonical Transient Receptor Potential Channels Subfamily in Experimental Rats / 中国循环杂志
Chinese Circulation Journal ; (12): 928-931, 2014.
Artículo en Chino | WPRIM | ID: wpr-458659
ABSTRACT

Objective:

To explore the effects of monocrotaline (MCT) on right ventricular function and expression of cardiac canonical transient receptor potential channels (TRPC) subfamily in experimental rats.

Methods:

The SD male rats were randomly divided into 2 groupsControl group, the rats were normally fed and MCT group, the rats received a single dose injection of MCT 60 mg/kg to induce myocardial hypertrophy. n=10 in each group and all animals were treated for 3 weeks. The right ventricular hemodynamics parameters and right ventricular hypertrophy index (RVHI) were measured, right ventricular myocardium tissue section was observed by HE staining, the mRNA and protein expressions of TRPC subfamily were examined by RT-PCR and Western blot analysis.

Results:

Compared with Control group, MCT group had increased RVSP, RVHI, RV+dp/dtmax and decreased RV-dp/dtmax, all P

Conclusion:

Right ventricular hypertrophy could be induced by 3 weeks MCT treatment, it up-regulating the mRNA and protein expressions of TRPC6 which might be involved in the occurrence and development of cardiac hypertrophy in experimental rats.

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Chinese Circulation Journal Año: 2014 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Chinese Circulation Journal Año: 2014 Tipo del documento: Artículo