Scutellaria baicalensis extract - CAS 94279-99-9
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Scutellaria baicalensis extract
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CAS 94279-99-9 Scutellaria baicalensis extract

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1.Wogonoside induces apoptosis in Bel-7402, a hepatocellular carcinoma cell line, by regulating Bax/Bcl-2.
Li Y1, Tu M2, Cheng C1, Tian J1, Zhang F1, Deng Z1, Li X1, Li Z3, Liu Y3, Lei G1. Oncol Lett. 2015 Sep;10(3):1831-1835. Epub 2015 Jun 22.
The anticancer effect of Scutellaria baicalensis extract has recently become a topic of interest. In this study, the anticancer effects and underlying mechanisms of wogonoside, the main constituent of Scutellaria baicalensis, were investigated in a human hepatocellular carcinoma (HCC) cell line in vitro. The effects of wogonoside on the proliferation, cell cycle progression and apoptosis of hepatocellular carcinoma cells were examined. Western blotting was employed to analyze the proteins associated with the biological effects of wogonoside. Wogonoside exerted anti-proliferation properties in vitro. HCC cell growth was attenuated by wogonoside (8 µM) treatment. Cell cycle progression analysis and DNA ladder assay revealed that apoptosis was enhanced in wogonoside-treated cells and that cell cycle arrest occurred in the G2/M phase. It was also demonstrated that increased apoptosis was accompanied by increased levels of Bax protein and decreased levels of Bcl-2 protein.
2.[New advance in studies on antimicrobal activity of Scutellaria baicalensis and its effective ingredients].
Shi GX, Shao J, Wang TM, Wang CZ. Zhongguo Zhong Yao Za Zhi. 2014 Oct;39(19):3713-8.
In recent years, with the constant increase in the population with hypoimmunity, bacterial and fungal infections have been increasing. Due to the drug resistance, clinically optional anti-bacterial and antifungal medicines become increasingly limited. Scutellaria baicalensis, a species of perennial herbaceous plant of scutellaria genus of lamiaceae family, and its effective components have multiple pharmacological effects such as anti-inflammation, anti-oxidation, anti-tumor, anti-microbial. Especially, its remarkable antibacterial and antifungal activities are of great significance to treat the increasing number of cases with drug-fast bacterial and antifungal infections. In this paper, the authors summarized the advance in studies on antibacterial and antifungal effects and mechanisms in recent years on the basis of the domestic and foreign studies on S. baicalensis and its effective ingredients.
3.Screening of lipase inhibitors from Scutellaria baicalensis extract using lipase immobilized on magnetic nanoparticles and study on the inhibitory mechanism.
Wan LH1,2, Jiang XL1,2, Liu YM3,4, Hu JJ1,2, Liang J1, Liao X5. Anal Bioanal Chem. 2016 Mar;408(9):2275-83. doi: 10.1007/s00216-016-9320-7. Epub 2016 Feb 12.
Scutellaria baicalensis is a traditional Chinese medicinal plant possessing a wide variety of biological activities. In this work, lipase immobilized on magnetic nanoparticles (LMNPs) was used as solid phase extract absorbent for screening of lipase inhibitors from this plant. Three flavonoids were found to bind to LMNPs and were identified as baicalin, wogonin, and oroxylin A by liquid chromatography-mass spectrometry (HPLC-MS). Their IC50 values were determined to be 229.22 ± 12.67, 153.71 ± 9.21, and 56.07 ± 4.90 μM, respectively. Fluorescence spectroscopy and molecular docking were used to probe the interactions between these flavonoids and lipase. All the flavonoids quenched the fluorescence of lipase statically by forming new complexes, implying their affinities with the enzyme. The thermodynamic analysis suggested that van der Waals force and hydrogen bond were the main forces between wogonin and lipase, while hydrophobic force was the main force for the other two flavonoids.
4.[Investigation on Inhibitory Capacities of Seventeen Herbal Extracts on Oxidative Stress using Ultraviolet and Fluorescence Spectroscopy].
Hou GY, Zheng Z, Song FR, Liu ZQ, Zhao B. Guang Pu Xue Yu Guang Pu Fen Xi. 2015 Mar;35(3):680-3.
Diabetic patients usually suffer from complications and the long-term secondary complications are the main cause of morbidity and mortality. The hyperglycemia-induced oxidative stress is one of the important pathogenesis of diabetic complications, while the oxidative stress is associated with the lipid peroxidation reaction and the formation of advanced glycation end products (AGEs). Our study was focus on the pathogenesis of diabetic complications and based on the oxidative stress reaction. In this research, the oxidative stress inhibiting effects of seventeen herbal extracts were studied based on spectroscopic methodology. The capacities of herbal extracts against the lipid peroxidation reaction of rat liver in vitro were investigated using spectrophotometric method. It showed that the inhibitory activity of Radix Scutellariae and Flos Sophorae Immaturus were better than other herbal extracts. Additionally, the herbal extracts rich in flavonoids, alkaloids and lignanoids showed good inhibitory activities on the lipid peroxidation reaction.