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1.
Acta Pharmaceutica Sinica ; (12): 1211-1216, 2021.
Artículo en Chino | WPRIM | ID: wpr-887075

RESUMEN

Pneumonia caused by SARS-CoV-2 has seriously threatened human life and health worldwide and caused a large number of deaths. Viral infection and acute inflammation are important causes of death, so it is particularly important to combine antiviral therapy with anti-inflammatory therapy. Glycyrrhizic acid, the main component of the glycyrrhizic root extract, has a wide range of pharmacological effects as well as high efficiency and low toxicity, its preparation has been widely used in the treatment of chronic hepatitis and other diseases. Glycyrrhizic acid can regulate the expression and release of a variety of cytokines and play a significant anti-inflammatory effect. At the same time, glycyrrhizic acid also showed significant inhibition towards a variety types of viruses. Therefore, the potential application of glycyrrhizic acid as COVID-19 treatment should be explored.

2.
Chinese Journal of Experimental and Clinical Virology ; (6): 366-369, 2012.
Artículo en Chino | WPRIM | ID: wpr-305033

RESUMEN

<p><b>OBJECTIVE</b>To study the effects of acetylcysteine magnesium on the vasoactive substances and hepatic fibrosis indexes in liver cirrhosis and portal hypertension of rats.</p><p><b>METHODS</b>The rat liver cirrhosis model was made with 12 microg/kg dimethylnitrosamines. Then acetylcysteine magnesium was injected respectively with 25, 50, and 100 mg x kg(-1) dose daily into abdominal cavity. After 8 weeks treatment, pathological section, TGF-beta1, NO, TNOS and iNOS of hepatic tissue were detected to assess the effect of acetylcysteine magnesium against cirrhosis portal hypertension.</p><p><b>RESULTS</b>After the DMNA modeling was completed, the HE and Sweet reticulocyte staining of liver pathological section showed that cirrhosis of the liver was in the III-IV phase, the infiltration of lymphocytes and formation of pseudolobuli in liver were alleviated in three acetylcysteine magnesium treatment groups (low, medium, and high dose), and the degree of liver fiber sclerosis in three groups was significantly lower than control group. Compared with control group, TGF-beta1, NO, TNOS and iNOS were significantly reduced in all treatment groups (P < 0.05).</p><p><b>CONCLUSION</b>Acetylcysteine magnesium is probably a distinctive antioxidant which can remove various free radical in body and modulate ligand-dependent signal transduction and the growth of cell. It also have protection in the liver cirrhosis and portal hypertension of rats induced by dimethylnitrosamine.</p>


Asunto(s)
Animales , Masculino , Ratas , Acetilcisteína , Usos Terapéuticos , Hipertensión Portal , Metabolismo , Patología , Cirrosis Hepática Experimental , Metabolismo , Patología , Óxido Nítrico , Fisiología , Ratas Sprague-Dawley , Factor de Crecimiento Transformador beta1
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