Assertion: catalase | /r/CapableOf | play important role
Facets:
value: in acetaldehyde production in the brain
type: LOCATION
value: in maintaining homeostasis of the cells
type: TRANSITIVE-OBJECT
Source sentences:
text: At lower concentration, hydrogen peroxide plays as a signaling molecule while it becomes toxic at higher concentration  and catalase plays an important role in maintaining homeostasis of the cells by degrading hydrogen peroxide.
text: Catalase plays an important role in acetaldehyde production in the brain, and manipulations of catalase levels were shown to alter acetaldehyde concentrations when brain tissue studied in vitro was treated with ethanol (Smith et al. 1997).