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Purpose Oleuropein and hydroxytyrosol are polyphenols that are extracted from olives and are major biological active components of olives and olive oil. Oleuropein and hydroxytyrosol exhibit interesting pharmacological effects on cells, and have been shown to have many health benefits such as anti-inflammatory effects. These effects were mainly attributed to their ability to scavenge the reactive...
Reactive oxygen species (ROS) production by the neutrophil NADPH oxidase plays a key role in host defense against pathogens, such as bacteria and fungi. Zymosan a cell-wall preparation from Saccharomyces cerevisiae is largely used to activate neutrophils in its opsonized form. In this study, we show that non-opsonized zymosan alone induced ROS production by human neutrophils. Zymosan-induced ROS production...
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