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11 resultats
4-Guanidino-n-butyl syringate (Leonurine, SCM 198) protects H9c2 rat ventricular cells from hypoxia-induced apoptosis.
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In the present study, we examined the ability of a chemically synthesized compound based on the structure of leonurine, a phytochemical component of Herba leonuri, to protect H9c2 rat ventricular cells from apoptosis induced by hypoxia and serum deprivation, as a model of ischemia. The results
Antiapoptotic effect of novel compound from Herba leonuri - leonurine (SCM-198): a mechanism through inhibition of mitochondria dysfunction in H9c2 cells.
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Apoptosis of cardiomyocytes induced by oxidative stress play a critical role in cardiac dysfunction associated with ventricular remodeling and heart failure. We recently reported that leonurine attenuated hypoxia-induced cardiomyocyte damage. In this study, we investigated the mechanism of leonurine
Leonurine (SCM-198) improves cardiac recovery in rat during chronic infarction.
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Leonurine, an alkaloid typically found in Herba leonuri, is known to have both antioxidant and cardioprotective properties. In the present study, we investigated the cardioprotective mechanism of leonurine the in vivo rat model of chronic myocardial ischemia and in vitro H9c2 cardiac myocyte model
Protective effects of leonurine in neonatal rat hypoxic cardiomyocytes and rat infarcted heart.
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1. Previous studies have shown that extracts of Herba leonuri, predominantly containing the phytochemical components leonurine and stachydrine, provide protective effects in the ischaemic myocardium by acting as free radical scavengers and inhibiting the formation of reactive oxygen species. 2. The
3,5-Dimethoxy-4-(3-(2-carbonyl-ethyldisulfanyl)-propionyl)-benzoic acid 4-guanidino-butyl ester: a novel twin drug that prevents primary cardiac myocytes from hypoxia-induced apoptosis.
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Leonurine possesses cardioprotective effects in myocardial ischemia due to its anti-apoptotic properties. However, the process to isolate and purify leonurine is difficult, because of its low content in the Herb Leonuri and its impurity. Moreover, the high dosage used indicates low potency of
Leonurine Improves Age-Dependent Impaired Angiogenesis: Possible Involvement of Mitochondrial Function and HIF-1α Dependent VEGF Activation.
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Objective: Advanced age is associated with impaired angiogenesis in part because of mitochondrial dysfunction. We have recently reported that leonurine exerts protective effects in neuron via regulation of mitochondrial function. The aim of this study was to explore whether leonurine is able to
Synthesis and biological evaluation of novel leonurine-SPRC conjugate as cardioprotective agents.
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The synthesis and biological evaluation of novel leonurine-SPRC conjugate, 3,5-dimethoxy-4-(2-amino-3-prop-2-ynylsulfanyl-propionyl)-benzoic acid 4-guanidino-butyl ester (1) is reported in this Letter. It is designed to improve the pharmacology efficiency by combining leonurine with
Synthesis and biological evaluation of the codrug of Leonurine and Aspirin as cardioprotective agents.
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The novel codrugs of Leonurine and Aspirin, compounds 545 and 503 have been synthesized and evaluated on their cardioprotective effects. Preliminary pharmacological studies showed that both compounds 545 and 503 were able to increase cell viability of hypoxia-induced H9c2 cells, and compound 545
Neuroprotective effects of leonurine against oxygen-glucose deprivation by targeting Cx36/CaMKII in PC12 cells.
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Leonurine has been reported to play an important role in ameliorating cognitive dysfunction, inhibiting ischemic stroke, and attenuating perihematomal edema and neuroinflammation in intracerebral hemorrhage. However, the exact mechanism and potential molecular targets of this effect remain unclear.
Leonurine-cysteine analog conjugates as a new class of multifunctional anti-myocardial ischemia agent.
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The design, synthesis and biological evaluation of novel Leonurine-cysteine analog conjugates 3,5-dimethoxy-4-(2-amino-3-prop-2-ynylsulfanyl-propionyl)-benzoic acid 4-guanidino-butyl ester (1a), 3,5-dimethoxy-4-(2-animo-3-allysulfanyl-propionyl)-benzoic acid 4-guanidino-butyl ester (1b) and
The Pharmacological Effects of S-Propargyl-Cysteine, a Novel Endogenous H2S-Producing Compound.
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S-propargyl-cysteine (SPRC), also named as ZYZ-802, is a structural analog of S-allylcysteine (SAC), the most abundant constituent of aged garlic extract. SPRC becomes a derivative of the amino acid cysteine, which contains sulfur atom, by changing allyl group in SAC to propargyl group in SPRC.
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