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Kava (Piper methysticum G. Forst. #link# f.) is by far the most important plant used in the islands of Melanesia, Polynesia and Micronesia for its relaxing effects. Kava drinking is a pillar of South Pacific societies and is also the foundation of their economies. Preparations of kava extract as herbal medicinal drugs were banned in Germany in 2002 and again in 2019, with dramatic consequences for the South Pacific economies. In 2002, the major regulatory argument for the ban of kava was safety issues. In 2019, the assessment report of the European Medicines Agency's Herbal Medicinal Product Committee (HMPC) justified a negative benefit-to-risk ratio by a supposed lack of efficacy of ethanolic extracts for an indication of which kava extract preparations never had an approval. In this HMPC report the efficacy in the approved indications 'nervous anxiety, tension and restlessness' was attributed to the extract branded as 'WS 1490', which was assumed to have been prepared with acetone as an extraction solvent. In ad ban of kava therefore require major revision, which should include the impact of the use of "two-day kava" on drug safety. Such a revision could contribute to restoring the reputation of "noble kava" on the international markets.

The comparison reveals inconsistencies in the regulatory decisions. In all studies with WS 1490, the evidence points to the use of an ethanolic extract. The efficacy of kava extract for the approved indication was clearly demonstrated. The HMPC report and the recent renewed German regulatory ban of kava therefore require major revision, which should include the impact of the use of "two-day kava" on drug safety. Such QNZ concentration could contribute to restoring the reputation of "noble kava" on the international markets.

Shizaotang (SZT), consisted of Euphorbia kansui S.L.Liou ex S.B.Ho (EK), Euphorbia pekinensis Rupr. (EP), Daphne genkwa Sieb. et Zucc. (DG,fried) and Ziziphus jujuba Mill. (ZJ), is usually used for treating malignant pleural effusions (MPE), but the toxicity of EK and EP limits its clinical safe application. It was reported that vinegar processing can reduce the toxicity of EK and EP. Whether EK and EP processing with vinegar can cause the reduced toxicity and retained pharmacological effects of SZT, it still remains unknown.

We aimed to evaluate whether using vinegar processed EK and EP would reduce toxicity and preserve water expelling effect of SZT.

Network pharmacology and qualitative analysis of SZT/VSZT were used to construct compound-target-pathway network of their effects and toxicity. Pleural fluid weight, urine volume, uric electrolyte, pH, pro-inflammatory cytokines in pleural fluid, serum Renin-Angiotensin-Aldosterone System (RAAS), anti-diuretic hormone (ADH) and intestinal aquaporin 8 (AQPs of toxicity experiments demonstrated that SZT and VSZT exhibited certain toxicity on normal rats, and VSZT had lower toxicity than that of SZT. Interestingly, SZT and VSZT exerted alleviation effect to the liver damage and oxidative damage on model rats.

SZT/VSZT improved MPE by regulating associated inflammation pathways. Besides, compared to SZT, VSZT showed lower toxicity and equivalent expelling MPE effect. This study may provide scientific basis for guiding the clinical application of SZT.

SZT/VSZT improved MPE by regulating associated inflammation pathways. Besides, compared to SZT, VSZT showed lower toxicity and equivalent expelling MPE effect. This study may provide scientific basis for guiding the clinical application of SZT.

Gnaphalium affine D. Don is an important Traditional Chinese herbal Medicine (TCM) used to treat hyperuricemia, asthma, rheumatic arthritis, antitussive, expectorant and cardiovascular in folk medicine because of anti-inflammatory and anti-oxidant activity. The aim of this study was to investigate the potential beneficial effect of G. affine extract (GAE) on hydrogen peroxide (H

O

)-induced apoptosis and explore the possible underlying mechanism in cardiomyocyte.

The ingredients of GAE were isolated and tentatively identified by HPLC-ESI-Q-Qribatrip-MS/MS. The cardioprotective and anti-oxidant effects of GAE were evaluated in the experimental model with H

O

induced apoptosis in H9c2 cells. H9c2 cells were pretreated for 3h with or without GAE or with GAE plus PX866 (PI3K inhibitor), then exposed to H

O

for 6h, H9c2 cells viability were detected by CCK8 kit, the content of intracellular reactive oxygen species (ROS) and malondialdehyde (MDA) and intracellular superoxide dismutase (SOD) activity wer, GAE significantly facilitated phosphorylation of AKT and glycogen synthase kinase-3 beta (GSK-3β) but not AMPK, while the effects were blocked by PX866 (PI3K inhibitor).

Our data suggested that GAE showed strong anti-oxidant effect to ameliorate oxidative stress and attenuate apoptosis induced by H

O

in H9c2 cells by targeting PI3K/AKT/GSK-3β signaling pathway.

Our data suggested that GAE showed strong anti-oxidant effect to ameliorate oxidative stress and attenuate apoptosis induced by H2O2 in H9c2 cells by targeting PI3K/AKT/GSK-3β signaling pathway.

Lonicerae Japonicae Caulis, the dried stem and branch of Lonicera japonica Thunb., is a Chinese Materia Medica known as Ren Dong Teng in Chinese with long use history in the traditional Chinese medicine (TCM) prescriptions. Lonicerae Japonicae Caulis possesses heat-clearing and detoxifying functions according to the TCM theory. In recent years, a large amount of experimental and clinical studies proved good anti-inflammatory effects of some heat-clearing and detoxifying herbs. The present study aims to reveal the anti-inflammatory property and functional substances of Lonicerae Japonicae Caulis.

For anti-inflammatory activity test, LPS-induced RAW 264.7 macrophages, DSS-induced SPF male C57BL/6J mice model, and LPS-induced SPF male ICR mice model were used in vitro and in vivo, respectively. The behavioral changes, organ damage, and the expression of inflammatory factors such as TNT-α and IL-6 mRNA expression were measured for activity evaluation. Lonicerae Japonicae Caulis samples were prepared by solvent extraction and subsequent column chromatography.

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