NCIt definition : A organoselenium compound with anti-inflammatory, anti-oxidant and cytoprotective
activity. Ebselen acts as a glutathione peroxidase mimetic and is thereby able to
prevent cellular damage induced by reactive oxygen species (ROS). In addition, this
agent inhibits the activity of a variety of enzymes including nitric oxide synthase
(NOS), 5-lipoxygenase, cyclooxygenase, protein kinase C (PKC), NADPH oxidase and gastric
H /K -ATPase. Furthermore, ebselen may be neuroprotective due to its ability to neutralize
free radicals upon NMDA receptor activation thus, reducing lipoperoxidation mediated
by glutamate-induced excitotoxicity.;