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Poria cocos, a food ingredient and a traditional Chinese medicine, is a fungus commonly used in eastern countries. It exhibits diuretic, anti-inflammatory, immunomodulatory and anti-hyperglycaemic functions. In addition, the polysaccharide and triterpenoid components isolated from P. cocos exhibit anti-tumour effects in a number of cancer cell lines. Here, an extract of P. cocos, designated H287,...
Protamine nanoparticles were designed by encapsulating small hairpin RNA (shRNA)-expressing plasmid DNA targeting the Bcl-2 gene (shBcl-2) to silence apoptosis-related Bcl-2 protein for improving the transfection efficiency and cytotoxicity in cancer therapy. Our findings demonstrated that the obtained protamine nanoparticles possessed excellent characterizations of small particle size, homogenous...
A series of novel methyl spongoate (1) analogs has been synthesized and evaluated for their in vitro cytotoxic properties. It was found that the nature of the C-20 side chain had significant effects on their bioactivities and some analogs showed higher cytotoxicity than 1 against A549, HCT-116, HepG2, SW-1990, MCF-7 and NCI-H460 tumor cell lines. The pharmacological results confirmed that the α,β-unsaturated...
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