In an article, author is Chen, Qi, once mentioned the application of 20737-42-2, HPLC of Formula: C5H4N2O3, Name is 3-Oxo-3,4-dihydropyrazine-2-carboxylic acid, molecular formula is C5H4N2O3, molecular weight is 140.0969, MDL number is MFCD00235136, category is Pyrazines. Now introduce a scientific discovery about this category.
The protective effects of liguzinediol on congestive heart failure induced by myocardial infarction and its relative mechanism
Background: Heart failure (HF) is one of the most common causes of cardiovascular diseases in the world. Currently, the drugs used to treat HF in the clinic may cause serious side effects. Liguzinediol, 2, 5-dimethyl-3, 6-dimethyl-pyrazine, is a compound synthesized after the structural modification of ligustrazine (one active ingredient ofSzechwan Lovage Rhizome). We aimed to observe the effects of liguzinediol on preventing HF and explore the related mechanisms. Methods: The ligation of left anterior descending coronary artery was operated to established the myocardial infarction (MI) model in Sprague-Dawley rats. Cardiac functions were recorded by echocardiography and hemodynamics. The changes in the Renin-Angiotensin-Aldosterone System (RAAS), inflammation, and oxidative stress were detected by radioimmunoassay and Elisa kits. Western blot and real-time PCR were applied to determine the expressions of the TGF-beta 1/Smads pathway. Results: Firstly, liguzinediol enhanced the systolic and diastolic functions of the heart in MI rats. Liguzinediol improved ventricular remodeling by reducing myocardial cell necrosis, as well as reducing collagen deposition and myocardial fibrosis. Then, liguzinediol suppressed the activation of RAAS, inhibited the synthesis of pro-inflammation factors, and reduced oxidative stress. In the end, liguzinediol also down-regulated the expressions of the TGF-beta 1/Smads pathway. Conclusions: Liguzinediol could alleviate HF caused by MI in rats, and the protective effect was associated with the regulation of the TGF-beta 1/Smads pathway.
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