Anti-inflammatory activity of (2E,15E)-2-[1-(2-aminophenyl)ethylidineamino]-N′-[1-(2-aminophenyl)ethylidene]benzoic acid hydrazide (AEBH) and some of its nanoparticles rare earth complexes

2016 ◽  
Vol 147 (11) ◽  
pp. 1893-1902 ◽  
Author(s):  
Nasser Mohammed Hosny ◽  
Yousery E. Sherif
2021 ◽  
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Renan Barrach Guerra ◽  
Diogo Alves Gálico ◽  
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Julia Aguiar ◽  
James Venturini ◽  
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2011 ◽  
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pp. 516-518 ◽  
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Mohammad H. Mosslemin ◽  
Mohammad Anary-Abbasinejad ◽  
Farzaneh Ghazvininejad ◽  
Somayeh Koocheki

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Ju Young Shin ◽  
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Background: Plants still remain the prime source of drugs for the treatment of inflammation and can provide leads for the development of novel anti-inflammatory agents. Material and methods: An in vitro bioassay guide revealed that the 80% ethanol (EtOH) extract of the whole plant, Amomum tsao-ko (Zingiberaceae), displayed anti-inflammatory activity after assessing its effects on murine macrophage RAW 264.7 cells. Result: Phytochemical study of the 80% EtOH extract of Amomum tsao-ko led to the isolation of eight compounds: 4-hydroxy-3-methoxy-benzoic acid (1), meso-hannokinol (2), (+)-hannokinol (3), coumaric acid (4), 4-hydroxy-benzoic acid (5), (+)-epicatechin (6), (-)-catechin (7), and myrciaphenone A (8). The results indicated that two of the isolated components, (+)-epicatechin (6) and (-)-catechin (7), inhibited the production of nitric oxide (NO) significantly in lipopolysaccharide treated RAW 264.7 cells. Conclusion: LPS-induced interleukin tumor necrosis factor-alpha (TNF-), IL-1β and IL-10 production was also decreased in a dose-dependent manner. In addition, western blot analysis revealed that (+)-epicatechin (6) and (-)-catechin (7) reduced the expression of inducible nitric oxide synthase and inhibited nuclear localization of nuclear factor kappa-B (NF-κB).


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